diff --git a/code/__DEFINES/modular_computer.dm b/code/__DEFINES/modular_computer.dm
index dee89700534..b9fa3effd73 100644
--- a/code/__DEFINES/modular_computer.dm
+++ b/code/__DEFINES/modular_computer.dm
@@ -1,14 +1,34 @@
 /**
- * Program bitflags
+ * can_run_on_flags bitflags
  * Used by programs to tell what type of ModPC it can run on.
  * Everything a program can run on needs valid icons for each individual one.
  */
-
+///Runs on everything.
 #define PROGRAM_ALL ALL
+///Can run on Modular PC Consoles
 #define PROGRAM_CONSOLE (1<<0)
+///Can run on Laptops.
 #define PROGRAM_LAPTOP (1<<1)
+///Can run on PDAs.
 #define PROGRAM_PDA (1<<2)
 
+/**
+ * program_flags
+ * Used by programs to tell the ModPC any special functions it has.
+ */
+///If the program requires NTNet to be online for it to work.
+#define PROGRAM_REQUIRES_NTNET (1<<0)
+///The program can be downloaded from the default NTNet downloader store.
+#define PROGRAM_ON_NTNET_STORE (1<<1)
+///The program can only be downloaded from the Syndinet store, usually nukie/emagged pda.
+#define PROGRAM_ON_SYNDINET_STORE (1<<2)
+///The program is unique and will delete itself upon being transferred to ensure only one copy exists.
+#define PROGRAM_UNIQUE_COPY (1<<3)
+///The program is a header and will show up at the top of the ModPC's UI.
+#define PROGRAM_HEADER (1<<4)
+///The program will run despite the ModPC not having any power in it.
+#define PROGRAM_RUNS_WITHOUT_POWER (1<<5)
+
 //Program categories
 #define PROGRAM_CATEGORY_DEVICE "Device Tools"
 #define PROGRAM_CATEGORY_EQUIPMENT "Equipment"
diff --git a/code/controllers/subsystem/modular_computers.dm b/code/controllers/subsystem/modular_computers.dm
index 5ea431d72f7..3c861850cdd 100644
--- a/code/controllers/subsystem/modular_computers.dm
+++ b/code/controllers/subsystem/modular_computers.dm
@@ -35,9 +35,9 @@ SUBSYSTEM_DEF(modular_computers)
 			continue
 		prog = new prog
 
-		if(prog.available_on_ntnet)
+		if(prog.program_flags & PROGRAM_ON_NTNET_STORE)
 			available_station_software.Add(prog)
-		if(prog.available_on_syndinet)
+		if(prog.program_flags & PROGRAM_ON_SYNDINET_STORE)
 			available_antag_software.Add(prog)
 
 ///Attempts to find a new file through searching the available stores with its name.
diff --git a/code/datums/components/uplink.dm b/code/datums/components/uplink.dm
index 03740417678..adb10f128ae 100644
--- a/code/datums/components/uplink.dm
+++ b/code/datums/components/uplink.dm
@@ -59,7 +59,7 @@
 		RegisterSignal(parent, COMSIG_IMPLANT_IMPLANTING, PROC_REF(implanting))
 		RegisterSignal(parent, COMSIG_IMPLANT_OTHER, PROC_REF(old_implant))
 		RegisterSignal(parent, COMSIG_IMPLANT_EXISTING_UPLINK, PROC_REF(new_implant))
-	else if(istype(parent, /obj/item/modular_computer/pda))
+	else if(istype(parent, /obj/item/modular_computer))
 		RegisterSignal(parent, COMSIG_TABLET_CHANGE_ID, PROC_REF(new_ringtone))
 		RegisterSignal(parent, COMSIG_TABLET_CHECK_DETONATE, PROC_REF(check_detonate))
 	else if(istype(parent, /obj/item/radio))
@@ -455,7 +455,7 @@
 /datum/component/uplink/proc/setup_unlock_code()
 	unlock_code = generate_code()
 	var/obj/item/P = parent
-	if(istype(parent,/obj/item/modular_computer/pda))
+	if(istype(parent,/obj/item/modular_computer))
 		unlock_note = "<B>Uplink Passcode:</B> [unlock_code] ([P.name])."
 	else if(istype(parent,/obj/item/radio))
 		unlock_note = "<B>Radio Passcode:</B> [unlock_code] ([P.name], [RADIO_TOKEN_UPLINK] channel)."
@@ -465,7 +465,7 @@
 /datum/component/uplink/proc/generate_code()
 	var/returnable_code = ""
 
-	if(istype(parent, /obj/item/modular_computer/pda))
+	if(istype(parent, /obj/item/modular_computer))
 		returnable_code = "[rand(100,999)] [pick(GLOB.phonetic_alphabet)]"
 
 	else if(istype(parent, /obj/item/radio))
diff --git a/code/game/machinery/camera/camera.dm b/code/game/machinery/camera/camera.dm
index 1651829d10b..c2479dca08d 100644
--- a/code/game/machinery/camera/camera.dm
+++ b/code/game/machinery/camera/camera.dm
@@ -342,7 +342,7 @@ MAPPING_DIRECTIONAL_HELPERS(/obj/machinery/camera/xray, 0)
 			return
 
 	// OTHER
-	if(istype(attacking_item, /obj/item/modular_computer/pda))
+	if(istype(attacking_item, /obj/item/modular_computer))
 		var/itemname = ""
 		var/info = ""
 
diff --git a/code/game/objects/items/cards_ids.dm b/code/game/objects/items/cards_ids.dm
index 5f7e9a8f1c4..603aa0a9099 100644
--- a/code/game/objects/items/cards_ids.dm
+++ b/code/game/objects/items/cards_ids.dm
@@ -1000,7 +1000,7 @@
 	if(istype(old_loc, /obj/item/storage/wallet))
 		UnregisterSignal(old_loc, list(COMSIG_ITEM_EQUIPPED, COMSIG_ITEM_DROPPED))
 
-	if(istype(old_loc, /obj/item/modular_computer/pda))
+	if(istype(old_loc, /obj/item/modular_computer))
 		UnregisterSignal(old_loc, list(COMSIG_ITEM_EQUIPPED, COMSIG_ITEM_DROPPED))
 
 	//New loc
@@ -1008,7 +1008,7 @@
 		RegisterSignal(loc, COMSIG_ITEM_EQUIPPED, PROC_REF(update_intern_status))
 		RegisterSignal(loc, COMSIG_ITEM_DROPPED, PROC_REF(remove_intern_status))
 
-	if(istype(loc, /obj/item/modular_computer/pda))
+	if(istype(loc, /obj/item/modular_computer))
 		RegisterSignal(loc, COMSIG_ITEM_EQUIPPED, PROC_REF(update_intern_status))
 		RegisterSignal(loc, COMSIG_ITEM_DROPPED, PROC_REF(remove_intern_status))
 
diff --git a/code/modules/admin/verbs/debug.dm b/code/modules/admin/verbs/debug.dm
index 15bb756cb3d..7d6ab6e2548 100644
--- a/code/modules/admin/verbs/debug.dm
+++ b/code/modules/admin/verbs/debug.dm
@@ -167,9 +167,9 @@
 		id.update_icon()
 
 		if(worn)
-			if(istype(worn, /obj/item/modular_computer/pda))
-				var/obj/item/modular_computer/pda/PDA = worn
-				PDA.InsertID(id, H)
+			if(istype(worn, /obj/item/modular_computer))
+				var/obj/item/modular_computer/worn_computer = worn
+				worn_computer.InsertID(id, H)
 
 			else if(istype(worn, /obj/item/storage/wallet))
 				var/obj/item/storage/wallet/W = worn
diff --git a/code/modules/food_and_drinks/machinery/microwave.dm b/code/modules/food_and_drinks/machinery/microwave.dm
index 5333643e955..0471f5e92ef 100644
--- a/code/modules/food_and_drinks/machinery/microwave.dm
+++ b/code/modules/food_and_drinks/machinery/microwave.dm
@@ -418,8 +418,8 @@
 			return TRUE
 		return ..()
 
-	if(vampire_charging_capable && istype(item, /obj/item/modular_computer/pda) && ingredients.len > 0)
-		balloon_alert(user, "max 1 pda!")
+	if(vampire_charging_capable && istype(item, /obj/item/modular_computer) && ingredients.len > 0)
+		balloon_alert(user, "max 1 device!")
 		return FALSE
 
 	if(istype(item, /obj/item/storage))
@@ -577,7 +577,7 @@
 
 	if(cell_powered && cell?.charge < TIER_1_CELL_CHARGE_RATE * efficiency)
 		playsound(src, 'sound/machines/buzz-sigh.ogg', 50, FALSE)
-		balloon_alert(cooker, "replace cell!")
+		balloon_alert(cooker, "no power draw!")
 		return
 
 	if(cooker && HAS_TRAIT(cooker, TRAIT_CURSED) && prob(7))
@@ -593,7 +593,7 @@
 	for(var/atom/movable/potential_fooditem as anything in ingredients)
 		if(IS_EDIBLE(potential_fooditem))
 			non_food_ingedients--
-		if(istype(potential_fooditem, /obj/item/modular_computer/pda) && prob(75))
+		if(istype(potential_fooditem, /obj/item/modular_computer) && prob(75))
 			pda_failure = TRUE
 			notify_ghosts(
 				"[cooker] has overheated their PDA!",
@@ -610,11 +610,13 @@
 	start(cooker)
 
 /obj/machinery/microwave/proc/wzhzhzh()
+	if(cell_powered && !isnull(cell))
+		if(!cell.use(TIER_1_CELL_CHARGE_RATE * efficiency))
+			playsound(src, 'sound/machines/buzz-sigh.ogg', 50, FALSE)
+			return
+
 	visible_message(span_notice("\The [src] turns on."), null, span_hear("You hear a microwave humming."))
 	operating = TRUE
-	if(cell_powered && !isnull(cell))
-		cell.use(TIER_1_CELL_CHARGE_RATE * efficiency)
-
 	set_light(l_range = 1.5, l_power = 1.2, l_on = TRUE)
 	soundloop.start()
 	update_appearance()
@@ -764,7 +766,7 @@
  * * cooker - The mob that initiated the cook cycle, can be null if no apparent mob triggered it (such as via emp)
  */
 /obj/machinery/microwave/proc/vampire(mob/cooker)
-	var/obj/item/modular_computer/pda/vampire_pda = LAZYACCESS(ingredients, 1)
+	var/obj/item/modular_computer/vampire_pda = LAZYACCESS(ingredients, 1)
 	if(isnull(vampire_pda))
 		playsound(src, 'sound/machines/buzz-sigh.ogg', 50, FALSE)
 		after_finish_loop()
@@ -796,7 +798,7 @@
 
 	// We should only be charging PDAs
 	for(var/atom/movable/potential_item as anything in ingredients)
-		if(!istype(potential_item, /obj/item/modular_computer/pda))
+		if(!istype(potential_item, /obj/item/modular_computer))
 			balloon_alert(cooker, "pda only!")
 			playsound(src, 'sound/machines/buzz-sigh.ogg', 50, FALSE)
 			eject()
@@ -817,7 +819,7 @@
 		pre_fail()
 		return
 
-	if(!vampire_charge_amount || !length(ingredients) || (!isnull(cell) && !cell.charge) || vampire_charge_amount < 25)
+	if(!vampire_charge_amount || !length(ingredients) || isnull(cell) || !cell.charge || vampire_charge_amount < 25)
 		vampire_cell = null
 		charge_loop_finish(cooker)
 		return
diff --git a/code/modules/mob/living/carbon/human/human_helpers.dm b/code/modules/mob/living/carbon/human/human_helpers.dm
index 726fc65da65..f3e4b9cbb8d 100644
--- a/code/modules/mob/living/carbon/human/human_helpers.dm
+++ b/code/modules/mob/living/carbon/human/human_helpers.dm
@@ -91,7 +91,7 @@
 //Useful when player is being seen by other mobs
 /mob/living/carbon/human/proc/get_id_name(if_no_id = "Unknown")
 	var/obj/item/storage/wallet/wallet = wear_id
-	var/obj/item/modular_computer/pda/pda = wear_id
+	var/obj/item/modular_computer/pda = wear_id
 	var/obj/item/card/id/id = wear_id
 	if(HAS_TRAIT(src, TRAIT_UNKNOWN))
 		. = if_no_id //You get NOTHING, no id name, good day sir
diff --git a/code/modules/modular_computers/computers/item/computer.dm b/code/modules/modular_computers/computers/item/computer.dm
index 2b3b012faa4..1de47b791bb 100644
--- a/code/modules/modular_computers/computers/item/computer.dm
+++ b/code/modules/modular_computers/computers/item/computer.dm
@@ -47,7 +47,7 @@
 	var/max_idle_programs = 2
 
 	///Flag of the type of device the modular computer is, deciding what types of apps it can run.
-	var/hardware_flag = NONE
+	var/hardware_flag = PROGRAM_ALL
 //	Options: PROGRAM_ALL | PROGRAM_CONSOLE | PROGRAM_LAPTOP | PROGRAM_PDA
 
 	///The theme, used for the main menu and file browser apps.
@@ -472,13 +472,13 @@
 		shutdown_computer()
 		return
 
-	if(active_program && active_program.requires_ntnet && !get_ntnet_status())
+	if(active_program && (active_program.program_flags & PROGRAM_REQUIRES_NTNET) && !get_ntnet_status())
 		active_program.event_networkfailure(FALSE) // Active program requires NTNet to run but we've just lost connection. Crash.
 
 	for(var/datum/computer_file/program/idle_programs as anything in idle_threads)
 		idle_programs.process_tick(seconds_per_tick)
 		idle_programs.ntnet_status = get_ntnet_status()
-		if(idle_programs.requires_ntnet && !idle_programs.ntnet_status)
+		if((idle_programs.program_flags & PROGRAM_REQUIRES_NTNET) && !idle_programs.ntnet_status)
 			idle_programs.event_networkfailure(TRUE)
 
 	if(active_program)
@@ -506,6 +506,8 @@
 	physical.loc.visible_message(span_notice("[icon2html(physical, viewers(physical.loc))] \The [src] displays a [caller.filedesc] notification: [alerttext]"))
 
 /obj/item/modular_computer/proc/ring(ringtone) // bring bring
+	if(!use_power())
+		return
 	if(HAS_TRAIT(SSstation, STATION_TRAIT_PDA_GLITCHED))
 		playsound(src, pick('sound/machines/twobeep_voice1.ogg', 'sound/machines/twobeep_voice2.ogg'), 50, TRUE)
 	else
@@ -522,8 +524,9 @@
 	data["PC_device_theme"] = device_theme
 
 	if(internal_cell)
+		data["PC_lowpower_mode"] = !internal_cell.charge
 		switch(internal_cell.percent())
-			if(80 to 200) // 100 should be maximal but just in case..
+			if(80 to INFINITY)
 				data["PC_batteryicon"] = "batt_100.gif"
 			if(60 to 80)
 				data["PC_batteryicon"] = "batt_80.gif"
@@ -537,6 +540,7 @@
 				data["PC_batteryicon"] = "batt_5.gif"
 		data["PC_batterypercent"] = "[round(internal_cell.percent())]%"
 	else
+		data["PC_lowpower_mode"] = FALSE
 		data["PC_batteryicon"] = null
 		data["PC_batterypercent"] = null
 
@@ -569,7 +573,8 @@
 		CRASH("tried to open program that does not belong to this computer")
 
 	if(!program || !istype(program)) // Program not found or it's not executable program.
-		to_chat(user, span_danger("\The [src]'s screen shows \"I/O ERROR - Unable to run program\" warning."))
+		if(user)
+			to_chat(user, span_danger("\The [src]'s screen shows \"I/O ERROR - Unable to run program\" warning."))
 		return FALSE
 
 	// The program is already running. Resume it.
@@ -582,15 +587,17 @@
 		update_appearance(UPDATE_ICON)
 		return TRUE
 
-	if(!program.is_supported_by_hardware(hardware_flag, 1, user))
+	if(!program.is_supported_by_hardware(hardware_flag, loud = TRUE, user = user))
 		return FALSE
 
 	if(idle_threads.len > max_idle_programs)
-		to_chat(user, span_danger("\The [src] displays a \"Maximal CPU load reached. Unable to run another program.\" error."))
+		if(user)
+			to_chat(user, span_danger("\The [src] displays a \"Maximal CPU load reached. Unable to run another program.\" error."))
 		return FALSE
 
-	if(program.requires_ntnet && !get_ntnet_status()) // The program requires NTNet connection, but we are not connected to NTNet.
-		to_chat(user, span_danger("\The [src]'s screen shows \"Unable to connect to NTNet. Please retry. If problem persists contact your system administrator.\" warning."))
+	if(program.program_flags & PROGRAM_REQUIRES_NTNET && !get_ntnet_status()) // The program requires NTNet connection, but we are not connected to NTNet.
+		if(user)
+			to_chat(user, span_danger("\The [src]'s screen shows \"Unable to connect to NTNet. Please retry. If problem persists contact your system administrator.\" warning."))
 		return FALSE
 
 	if(!program.on_start(user))
@@ -675,7 +682,7 @@
  * It is separated from ui_act() to be overwritten as needed.
 */
 /obj/item/modular_computer/proc/toggle_flashlight(mob/user)
-	if(!has_light)
+	if(!has_light || !internal_cell || !internal_cell.charge)
 		return FALSE
 	if(!COOLDOWN_FINISHED(src, disabled_time))
 		balloon_alert(user, "disrupted!")
@@ -898,3 +905,14 @@
 	inserted_pai = null
 	update_appearance(UPDATE_ICON)
 	return TRUE
+
+/**
+ * Debug ModPC
+ * Used to spawn all programs for Create and Destroy unit test.
+ */
+/obj/item/modular_computer/debug
+	max_capacity = INFINITY
+
+/obj/item/modular_computer/debug/Initialize(mapload)
+	starting_programs += subtypesof(/datum/computer_file/program)
+	return ..()
diff --git a/code/modules/modular_computers/computers/item/computer_power.dm b/code/modules/modular_computers/computers/item/computer_power.dm
index 69244ccc244..2545ad4d9e5 100644
--- a/code/modules/modular_computers/computers/item/computer_power.dm
+++ b/code/modules/modular_computers/computers/item/computer_power.dm
@@ -1,18 +1,19 @@
 ///The multiplier given to the base overtime charge drain value if its flashlight is on.
 #define FLASHLIGHT_DRAIN_MULTIPLIER 1.1
 
-// Tries to draw power from charger or, if no operational charger is present, from power cell.
+///Draws power from its rightful source (area if its a computer, the cell otherwise)
+///Takes into account special cases, like silicon PDAs through override, and nopower apps.
 /obj/item/modular_computer/proc/use_power(amount = 0)
 	if(check_power_override())
 		return TRUE
 
-	if(ismachinery(physical))
-		var/obj/machinery/machine_holder = physical
-		if(machine_holder.powered())
-			machine_holder.use_power(amount)
-			return TRUE
-
-	if(!internal_cell || !internal_cell.charge)
+	if(!internal_cell)
+		return FALSE
+	if(!internal_cell.charge && (isnull(active_program) || !(active_program.program_flags & PROGRAM_RUNS_WITHOUT_POWER)))
+		close_all_programs()
+		for(var/datum/computer_file/program/programs as anything in stored_files)
+			if((programs.program_flags & PROGRAM_RUNS_WITHOUT_POWER) && open_program(program = programs))
+				return TRUE
 		return FALSE
 
 	if(!internal_cell.use(amount JOULES))
@@ -25,9 +26,9 @@
 		return internal_cell.give(amount)
 	return 0
 
-// Used in following function to reduce copypaste
+///Shuts down the computer from powerloss.
 /obj/item/modular_computer/proc/power_failure()
-	if(!enabled) // Shut down the computer
+	if(!enabled)
 		return
 	if(active_program)
 		active_program.event_powerfailure()
@@ -56,9 +57,10 @@
 	power_failure()
 	return FALSE
 
-///Used by subtypes for special cases for power usage, returns TRUE if it should stop the use_power chain.
+///Returns TRUE if the PC should not be using any power, FALSE otherwise.
+///Checks to see if the current app allows to be ran without power, if so we'll run with it.
 /obj/item/modular_computer/proc/check_power_override()
-	return FALSE
+	return (!internal_cell?.charge && (active_program?.program_flags & PROGRAM_RUNS_WITHOUT_POWER))
 
 //Integrated (Silicon) tablets don't drain power, because the tablet is required to state laws, so it being disabled WILL cause problems.
 /obj/item/modular_computer/pda/silicon/check_power_override()
diff --git a/code/modules/modular_computers/computers/item/computer_ui.dm b/code/modules/modular_computers/computers/item/computer_ui.dm
index c98284fbf66..436b261aca3 100644
--- a/code/modules/modular_computers/computers/item/computer_ui.dm
+++ b/code/modules/modular_computers/computers/item/computer_ui.dm
@@ -8,23 +8,24 @@
  * This is best called when you're actually changing the app, as we don't check
  * if we're swapping to the current UI repeatedly.
  * Args:
- * user - The person whose UI we're updating.
+ * user - The person whose UI we're updating. Only necessary if we're opening the UI for the first time.
  */
 /obj/item/modular_computer/proc/update_tablet_open_uis(mob/user)
-	var/datum/tgui/active_ui = SStgui.get_open_ui(user, src)
-	if(!active_ui)
-		if(active_program)
-			active_ui = new(user, src, active_program.tgui_id, active_program.filedesc)
-			active_program.ui_interact(user, active_ui)
-		else
-			active_ui = new(user, src, "NtosMain")
-		return active_ui.open()
+	if(user)
+		var/datum/tgui/active_ui = SStgui.get_open_ui(user, src)
+		if(!active_ui)
+			if(active_program)
+				active_ui = new(user, src, active_program.tgui_id, active_program.filedesc)
+				active_program.ui_interact(user, active_ui)
+			else
+				active_ui = new(user, src, "NtosMain")
+			return active_ui.open()
 
 	for (var/datum/tgui/window as anything in open_uis)
 		if(active_program)
 			window.interface = active_program.tgui_id
 			window.title = active_program.filedesc
-			active_program.ui_interact(user, window)
+			active_program.ui_interact(window.user, window)
 		else
 			window.interface = "NtosMain"
 		window.send_assets()
@@ -113,7 +114,7 @@
 		data["programs"] += list(list(
 			"name" = program.filename,
 			"desc" = program.filedesc,
-			"header_program" = program.header_program,
+			"header_program" = !!(program.program_flags & PROGRAM_HEADER),
 			"running" = !!(program in idle_threads),
 			"icon" = program.program_icon,
 			"alert" = program.alert_pending,
@@ -135,13 +136,15 @@
 
 	switch(action)
 		if("PC_exit")
-			active_program.kill_program(usr)
+			//you can't close apps in emergency mode.
+			if(internal_cell.charge)
+				active_program.kill_program(usr)
 			return TRUE
 		if("PC_shutdown")
 			shutdown_computer()
 			return TRUE
 		if("PC_minimize")
-			if(!active_program)
+			if(!active_program || !internal_cell.charge)
 				return
 			active_program.background_program()
 			return TRUE
diff --git a/code/modules/modular_computers/computers/item/processor.dm b/code/modules/modular_computers/computers/item/processor.dm
index 01c04ed68cd..ea4839ac944 100644
--- a/code/modules/modular_computers/computers/item/processor.dm
+++ b/code/modules/modular_computers/computers/item/processor.dm
@@ -44,6 +44,13 @@
 	machinery_computer = null
 	return ..()
 
+/obj/item/modular_computer/processor/use_power(amount = 0)
+	var/obj/machinery/machine_holder = physical
+	if(machine_holder.powered())
+		machine_holder.use_power(amount)
+		return TRUE
+	return FALSE
+
 /obj/item/modular_computer/processor/relay_qdel()
 	qdel(machinery_computer)
 
diff --git a/code/modules/modular_computers/file_system/computer_file.dm b/code/modules/modular_computers/file_system/computer_file.dm
index 99fc288ffaf..948257aa83c 100644
--- a/code/modules/modular_computers/file_system/computer_file.dm
+++ b/code/modules/modular_computers/file_system/computer_file.dm
@@ -86,6 +86,8 @@
  * * background - Whether the app is running in the background.
  */
 /datum/computer_file/program/proc/event_powerfailure()
+	if(program_flags & PROGRAM_RUNS_WITHOUT_POWER)
+		return
 	kill_program()
 
 /**
diff --git a/code/modules/modular_computers/file_system/program.dm b/code/modules/modular_computers/file_system/program.dm
index 145ee7e87f1..70859aef7e7 100644
--- a/code/modules/modular_computers/file_system/program.dm
+++ b/code/modules/modular_computers/file_system/program.dm
@@ -7,6 +7,12 @@
 	/// File name. FILE NAME MUST BE UNIQUE IF YOU WANT THE PROGRAM TO BE DOWNLOADABLE FROM NTNET!
 	filename = "UnknownProgram"
 
+	/// Program-specific bitflags that tell the app what it runs on.
+	/// (PROGRAM_ALL | PROGRAM_CONSOLE | PROGRAM_LAPTOP | PROGRAM_PDA)
+	var/can_run_on_flags = PROGRAM_ALL
+	/// Program-specific bitflags that tells the ModPC what the app is able to do special.
+	/// (PROGRAM_REQUIRES_NTNET|PROGRAM_ON_NTNET_STORE|PROGRAM_ON_SYNDINET_STORE|PROGRAM_UNIQUE_COPY|PROGRAM_HEADER|PROGRAM_RUNS_WITHOUT_POWER)
+	var/program_flags = PROGRAM_ON_NTNET_STORE
 	///How much power running this program costs.
 	var/power_cell_use = PROGRAM_BASIC_CELL_USE
 	///List of required accesses to *run* the program. Any match will do.
@@ -19,23 +25,14 @@
 	/// Short description of this program's function.
 	var/extended_desc = "N/A"
 	///What category this program can be found in within NTNetDownloader.
+	///This is required if PROGRAM_ON_NTNET_STORE or PROGRAM_ON_SYNDINET_STORE is on.
 	var/downloader_category = PROGRAM_CATEGORY_DEVICE
 	///The overlay to add ontop of the ModPC running the app while it's open.
-	///This is taken from the same file as the ModPC, so you can use usage_flags to prevent
+	///This is taken from the same file as the ModPC, so you can use can_run_on_flags to prevent
 	///the program from being used on devices that don't have sprites for it.
 	var/program_open_overlay = null
-	///Boolean on whether the program will appear at the top on PDA menus, or in the app list with everything else.
-	var/header_program = FALSE
-	/// Set to 1 for program to require nonstop NTNet connection to run. If NTNet connection is lost program crashes.
-	var/requires_ntnet = FALSE
 	/// NTNet status, updated every tick by computer running this program. Don't use this for checks if NTNet works, computers do that. Use this for calculations, etc.
 	var/ntnet_status = 1
-	/// Bitflags (PROGRAM_CONSOLE, PROGRAM_LAPTOP, PROGRAM_PDA combination) or PROGRAM_ALL
-	var/usage_flags = PROGRAM_ALL
-	/// Whether the program can be downloaded from NTNet. Set to FALSE to disable.
-	var/available_on_ntnet = TRUE
-	/// Whether the program can be downloaded from SyndiNet (accessible via emagging the computer). Set to TRUE to enable.
-	var/available_on_syndinet = FALSE
 	/// Name of the tgui interface. If this is not defined, this will not be available in NTNet.
 	var/tgui_id
 	/// Example: "something.gif" - a header image that will be rendered in computer's UI when this program is running at background. Images must also be inserted into /datum/asset/simple/headers.
@@ -50,17 +47,15 @@
 	var/alert_pending = FALSE
 	/// How well this program will help combat detomatix viruses.
 	var/detomatix_resistance = NONE
-	///Boolean on whether or not only one copy of the app can exist. This means it deletes itself when cloned elsewhere.
-	var/unique_copy = FALSE
 
 /datum/computer_file/program/clone()
 	var/datum/computer_file/program/temp = ..()
 	temp.run_access = run_access
 	temp.filedesc = filedesc
 	temp.program_open_overlay = program_open_overlay
-	temp.requires_ntnet = requires_ntnet
-	temp.usage_flags = usage_flags
-	if(unique_copy)
+	temp.program_flags = program_flags
+	temp.can_run_on_flags = can_run_on_flags
+	if(program_flags & PROGRAM_UNIQUE_COPY)
 		if(computer)
 			computer.remove_file(src)
 		if(disk_host)
@@ -107,7 +102,7 @@
 
 ///Makes sure a program can run on this hardware (for apps limited to tablets/computers/laptops)
 /datum/computer_file/program/proc/is_supported_by_hardware(hardware_flag = NONE, loud = FALSE, mob/user)
-	if(!(hardware_flag & usage_flags))
+	if(!(hardware_flag & can_run_on_flags))
 		if(loud && computer && user)
 			to_chat(user, span_danger("\The [computer] flashes a \"Hardware Error - Incompatible software\" warning."))
 		return FALSE
@@ -129,13 +124,13 @@
  * access can contain a list of access numbers to check against. If access is not empty, it will be used istead of checking any inserted ID.
  */
 /datum/computer_file/program/proc/can_run(mob/user, loud = FALSE, access_to_check, downloading = FALSE, list/access)
-	if(issilicon(user) && !ispAI(user))
-		return TRUE
+	if(user)
+		if(issilicon(user) && !ispAI(user))
+			return TRUE
+		if(isAdminGhostAI(user))
+			return TRUE
 
-	if(isAdminGhostAI(user))
-		return TRUE
-
-	if(computer && (computer.obj_flags & EMAGGED) && (available_on_syndinet || !downloading)) //emagged can run anything on syndinet, and can bypass execution locks, but not download.
+	if(computer && (computer.obj_flags & EMAGGED) && (program_flags & PROGRAM_ON_SYNDINET_STORE || !downloading)) //emagged can run anything on syndinet, and can bypass execution locks, but not download.
 		return TRUE
 
 	if(!access_to_check)
@@ -152,7 +147,7 @@
 			accesscard = computer.computer_id_slot?.GetID()
 
 		if(!accesscard)
-			if(loud)
+			if(loud && user)
 				to_chat(user, span_danger("\The [computer] flashes an \"RFID Error - Unable to scan ID\" warning."))
 			return FALSE
 		access = accesscard.GetAccess()
@@ -161,7 +156,7 @@
 		if(singular_access in access) //For loop checks every individual access entry in the access list. If the user's ID has access to any entry, then we're good.
 			return TRUE
 
-	if(loud)
+	if(loud && user)
 		to_chat(user, span_danger("\The [computer] flashes an \"Access Denied\" warning."))
 	return FALSE
 
@@ -176,7 +171,7 @@
 /datum/computer_file/program/proc/on_start(mob/living/user)
 	SHOULD_CALL_PARENT(TRUE)
 	if(can_run(user, loud = TRUE))
-		if(requires_ntnet)
+		if(program_flags & PROGRAM_REQUIRES_NTNET)
 			var/obj/item/card/id/ID = computer.computer_id_slot?.GetID()
 			generate_network_log("Connection opened -- Program ID:[filename] User:[ID?"[ID.registered_name]":"None"]")
 		return TRUE
@@ -196,11 +191,11 @@
 	if(src == computer.active_program)
 		computer.active_program = null
 		if(computer.enabled)
-			computer.update_tablet_open_uis(usr)
+			computer.update_tablet_open_uis(user)
 	if(src in computer.idle_threads)
 		computer.idle_threads.Remove(src)
 
-	if(requires_ntnet)
+	if(program_flags & PROGRAM_REQUIRES_NTNET)
 		var/obj/item/card/id/ID = computer.computer_id_slot?.GetID()
 		generate_network_log("Connection closed -- Program ID: [filename] User:[ID ? "[ID.registered_name]" : "None"]")
 
@@ -210,7 +205,7 @@
 ///Sends the running program to the background/idle threads. Header programs can't be minimized and will kill instead.
 /datum/computer_file/program/proc/background_program()
 	SHOULD_CALL_PARENT(TRUE)
-	if(header_program)
+	if(program_flags & PROGRAM_HEADER)
 		return kill_program()
 
 	computer.idle_threads.Add(src)
diff --git a/code/modules/modular_computers/file_system/programs/airestorer.dm b/code/modules/modular_computers/file_system/programs/airestorer.dm
index 80ee8343252..9fc51a00f57 100644
--- a/code/modules/modular_computers/file_system/programs/airestorer.dm
+++ b/code/modules/modular_computers/file_system/programs/airestorer.dm
@@ -5,10 +5,8 @@
 	program_open_overlay = "generic"
 	extended_desc = "Firmware Restoration Kit, capable of reconstructing damaged AI systems. Requires direct AI connection via intellicard slot."
 	size = 12
-	requires_ntnet = FALSE
-	usage_flags = PROGRAM_CONSOLE | PROGRAM_LAPTOP
+	can_run_on_flags = PROGRAM_CONSOLE | PROGRAM_LAPTOP
 	download_access = list(ACCESS_RD)
-	available_on_ntnet = TRUE
 	tgui_id = "NtosAiRestorer"
 	program_icon = "laptop-code"
 
diff --git a/code/modules/modular_computers/file_system/programs/alarm.dm b/code/modules/modular_computers/file_system/programs/alarm.dm
index 771c6455fd7..86452eb45d0 100644
--- a/code/modules/modular_computers/file_system/programs/alarm.dm
+++ b/code/modules/modular_computers/file_system/programs/alarm.dm
@@ -5,7 +5,7 @@
 	ui_header = "alarm_green.gif"
 	program_open_overlay = "alert-green"
 	extended_desc = "This program provides visual interface for a station's alarm system."
-	requires_ntnet = 1
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	size = 4
 	tgui_id = "NtosStationAlertConsole"
 	program_icon = "bell"
diff --git a/code/modules/modular_computers/file_system/programs/antagonist/contractor_program.dm b/code/modules/modular_computers/file_system/programs/antagonist/contractor_program.dm
index 710b86dc58f..77ac06f4feb 100644
--- a/code/modules/modular_computers/file_system/programs/antagonist/contractor_program.dm
+++ b/code/modules/modular_computers/file_system/programs/antagonist/contractor_program.dm
@@ -6,11 +6,8 @@
 	program_icon = "tasks"
 	size = 10
 
-	requires_ntnet = FALSE
-	available_on_ntnet = FALSE
-	available_on_syndinet = FALSE
-	usage_flags = PROGRAM_PDA //this is all we've got sprites for :sob:
-	unique_copy = TRUE
+	program_flags = PROGRAM_ON_SYNDINET_STORE | PROGRAM_UNIQUE_COPY
+	can_run_on_flags = PROGRAM_PDA //this is all we've got sprites for :sob:
 	undeletable = TRUE
 	tgui_id = "SyndicateContractor"
 
diff --git a/code/modules/modular_computers/file_system/programs/antagonist/dos.dm b/code/modules/modular_computers/file_system/programs/antagonist/dos.dm
index 9ac9ba8c55d..d3b7e9d5b86 100644
--- a/code/modules/modular_computers/file_system/programs/antagonist/dos.dm
+++ b/code/modules/modular_computers/file_system/programs/antagonist/dos.dm
@@ -5,9 +5,7 @@
 	program_open_overlay = "hostile"
 	extended_desc = "This advanced script can perform denial of service attacks against NTNet quantum relays. The system administrator will probably notice this. Multiple devices can run this program together against same relay for increased effect"
 	size = 20
-	requires_ntnet = TRUE
-	available_on_ntnet = FALSE
-	available_on_syndinet = TRUE
+	program_flags = PROGRAM_ON_SYNDINET_STORE | PROGRAM_REQUIRES_NTNET
 	tgui_id = "NtosNetDos"
 	program_icon = "satellite-dish"
 
diff --git a/code/modules/modular_computers/file_system/programs/antagonist/revelation.dm b/code/modules/modular_computers/file_system/programs/antagonist/revelation.dm
index 36bdca90134..3e0ac275c14 100644
--- a/code/modules/modular_computers/file_system/programs/antagonist/revelation.dm
+++ b/code/modules/modular_computers/file_system/programs/antagonist/revelation.dm
@@ -5,9 +5,7 @@
 	program_open_overlay = "hostile"
 	extended_desc = "This virus can destroy hard drive of system it is executed on. It may be obfuscated to look like another non-malicious program. Once armed, it will destroy the system upon next execution."
 	size = 13
-	requires_ntnet = FALSE
-	available_on_ntnet = FALSE
-	available_on_syndinet = TRUE
+	program_flags = PROGRAM_ON_SYNDINET_STORE
 	tgui_id = "NtosRevelation"
 	program_icon = "magnet"
 	var/armed = 0
diff --git a/code/modules/modular_computers/file_system/programs/arcade.dm b/code/modules/modular_computers/file_system/programs/arcade.dm
index efbcbee0f74..d4ced4c22ce 100644
--- a/code/modules/modular_computers/file_system/programs/arcade.dm
+++ b/code/modules/modular_computers/file_system/programs/arcade.dm
@@ -3,7 +3,6 @@
 	filedesc = "Donksoft Micro Arcade"
 	program_open_overlay = "arcade"
 	extended_desc = "This port of the classic game 'Outbomb Cuban Pete', redesigned to run on tablets, with thrilling graphics and chilling storytelling."
-	requires_ntnet = FALSE
 	downloader_category = PROGRAM_CATEGORY_GAMES
 	size = 6
 	tgui_id = "NtosArcade"
diff --git a/code/modules/modular_computers/file_system/programs/borg_monitor.dm b/code/modules/modular_computers/file_system/programs/borg_monitor.dm
index 63db9e91016..196ab033408 100644
--- a/code/modules/modular_computers/file_system/programs/borg_monitor.dm
+++ b/code/modules/modular_computers/file_system/programs/borg_monitor.dm
@@ -5,7 +5,7 @@
 	ui_header = "borg_mon.gif"
 	program_open_overlay = "generic"
 	extended_desc = "This program allows for remote monitoring of station cyborgs."
-	requires_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	download_access = list(ACCESS_ROBOTICS)
 	size = 5
 	tgui_id = "NtosCyborgRemoteMonitor"
@@ -152,9 +152,7 @@
 	ui_header = "borg_mon.gif"
 	program_open_overlay = "generic"
 	extended_desc = "This program allows for remote monitoring of mission-assigned cyborgs."
-	requires_ntnet = FALSE
-	available_on_ntnet = FALSE
-	available_on_syndinet = TRUE
+	program_flags = PROGRAM_ON_SYNDINET_STORE
 	download_access = list()
 
 /datum/computer_file/program/borg_monitor/syndicate/evaluate_borg(mob/living/silicon/robot/R)
diff --git a/code/modules/modular_computers/file_system/programs/bounty_board.dm b/code/modules/modular_computers/file_system/programs/bounty_board.dm
index 42d4a4fcf9c..4bbad8d1d8b 100644
--- a/code/modules/modular_computers/file_system/programs/bounty_board.dm
+++ b/code/modules/modular_computers/file_system/programs/bounty_board.dm
@@ -4,7 +4,7 @@
 	downloader_category = PROGRAM_CATEGORY_SUPPLY
 	program_open_overlay = "bountyboard"
 	extended_desc = "A multi-platform network for placing requests across the station, with payment across the network being possible.."
-	requires_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	size = 10
 	tgui_id = "NtosBountyBoard"
 	///Reference to the currently logged in user.
diff --git a/code/modules/modular_computers/file_system/programs/budgetordering.dm b/code/modules/modular_computers/file_system/programs/budgetordering.dm
index 4b2b6d472e0..11421a08772 100644
--- a/code/modules/modular_computers/file_system/programs/budgetordering.dm
+++ b/code/modules/modular_computers/file_system/programs/budgetordering.dm
@@ -4,8 +4,8 @@
 	downloader_category = PROGRAM_CATEGORY_SUPPLY
 	program_open_overlay = "request"
 	extended_desc = "Nanotrasen Internal Requisition Network interface for supply purchasing using a department budget account."
-	requires_ntnet = TRUE
-	usage_flags = PROGRAM_LAPTOP | PROGRAM_PDA
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
+	can_run_on_flags = PROGRAM_LAPTOP | PROGRAM_PDA
 	size = 10
 	tgui_id = "NtosCargo"
 	///Are you actually placing orders with it?
diff --git a/code/modules/modular_computers/file_system/programs/card.dm b/code/modules/modular_computers/file_system/programs/card.dm
index 07430933120..c41aa8ae29a 100644
--- a/code/modules/modular_computers/file_system/programs/card.dm
+++ b/code/modules/modular_computers/file_system/programs/card.dm
@@ -5,7 +5,6 @@
 	program_open_overlay = "id"
 	extended_desc = "Program for programming employee ID cards to access parts of the station."
 	download_access = list(ACCESS_COMMAND)
-	requires_ntnet = 0
 	size = 8
 	tgui_id = "NtosCard"
 	program_icon = "id-card"
diff --git a/code/modules/modular_computers/file_system/programs/chatroom/ntnrc_client.dm b/code/modules/modular_computers/file_system/programs/chatroom/ntnrc_client.dm
index f621ab8693a..1067c3f392d 100644
--- a/code/modules/modular_computers/file_system/programs/chatroom/ntnrc_client.dm
+++ b/code/modules/modular_computers/file_system/programs/chatroom/ntnrc_client.dm
@@ -11,9 +11,8 @@
 	program_open_overlay = "command"
 	extended_desc = "This program allows communication over NTNRC network"
 	size = 8
-	requires_ntnet = TRUE
 	ui_header = "ntnrc_idle.gif"
-	available_on_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	tgui_id = "NtosNetChat"
 	program_icon = "comment-alt"
 	alert_able = TRUE
diff --git a/code/modules/modular_computers/file_system/programs/crewmanifest.dm b/code/modules/modular_computers/file_system/programs/crewmanifest.dm
index cbb8bcf08ea..f7e3df473ea 100644
--- a/code/modules/modular_computers/file_system/programs/crewmanifest.dm
+++ b/code/modules/modular_computers/file_system/programs/crewmanifest.dm
@@ -5,7 +5,7 @@
 	program_open_overlay = "id"
 	extended_desc = "Program for viewing and printing the current crew manifest"
 	download_access = list(ACCESS_SECURITY, ACCESS_COMMAND)
-	requires_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	size = 4
 	tgui_id = "NtosCrewManifest"
 	program_icon = "clipboard-list"
diff --git a/code/modules/modular_computers/file_system/programs/file_browser.dm b/code/modules/modular_computers/file_system/programs/file_browser.dm
index 052ef68517b..c9133515507 100644
--- a/code/modules/modular_computers/file_system/programs/file_browser.dm
+++ b/code/modules/modular_computers/file_system/programs/file_browser.dm
@@ -4,8 +4,7 @@
 	extended_desc = "This program allows management of files."
 	program_open_overlay = "generic"
 	size = 8
-	requires_ntnet = FALSE
-	available_on_ntnet = FALSE
+	program_flags = NONE
 	undeletable = TRUE
 	tgui_id = "NtosFileManager"
 	program_icon = "folder"
diff --git a/code/modules/modular_computers/file_system/programs/frontier.dm b/code/modules/modular_computers/file_system/programs/frontier.dm
index 32f7e2dc14b..884e635364c 100644
--- a/code/modules/modular_computers/file_system/programs/frontier.dm
+++ b/code/modules/modular_computers/file_system/programs/frontier.dm
@@ -3,7 +3,7 @@
 	filedesc = "NT Frontier"
 	downloader_category = PROGRAM_CATEGORY_SCIENCE
 	extended_desc = "Scientific paper publication and navigation software."
-	requires_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	size = 12
 	program_open_overlay = "research"
 	tgui_id = "NtosScipaper"
diff --git a/code/modules/modular_computers/file_system/programs/jobmanagement.dm b/code/modules/modular_computers/file_system/programs/jobmanagement.dm
index 8f01d365c8e..d9805f4012e 100644
--- a/code/modules/modular_computers/file_system/programs/jobmanagement.dm
+++ b/code/modules/modular_computers/file_system/programs/jobmanagement.dm
@@ -8,7 +8,7 @@ GLOBAL_VAR_INIT(time_last_changed_position, 0)
 	program_open_overlay = "id"
 	extended_desc = "Program for viewing and changing job slot availability."
 	download_access = list(ACCESS_COMMAND)
-	requires_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	size = 4
 	tgui_id = "NtosJobManager"
 	program_icon = "address-book"
diff --git a/code/modules/modular_computers/file_system/programs/mafia_ntos.dm b/code/modules/modular_computers/file_system/programs/mafia_ntos.dm
index 2a683f3810f..c970349bd20 100644
--- a/code/modules/modular_computers/file_system/programs/mafia_ntos.dm
+++ b/code/modules/modular_computers/file_system/programs/mafia_ntos.dm
@@ -3,7 +3,6 @@
 	filedesc = "Mafia"
 	program_open_overlay = "mafia"
 	extended_desc = "A program that allows you to play the infamous Mafia game, straight from your Modular PC."
-	requires_ntnet = FALSE
 	downloader_category = PROGRAM_CATEGORY_GAMES
 	size = 6
 	tgui_id = "NtosMafiaPanel"
diff --git a/code/modules/modular_computers/file_system/programs/maintenance/_maintenance_program.dm b/code/modules/modular_computers/file_system/programs/maintenance/_maintenance_program.dm
index 25a2d1ad941..5cd31293f77 100644
--- a/code/modules/modular_computers/file_system/programs/maintenance/_maintenance_program.dm
+++ b/code/modules/modular_computers/file_system/programs/maintenance/_maintenance_program.dm
@@ -6,5 +6,4 @@
  */
 /datum/computer_file/program/maintenance
 	filetype = "MNT"
-	available_on_ntnet = FALSE
-	unique_copy = TRUE
+	program_flags = PROGRAM_UNIQUE_COPY
diff --git a/code/modules/modular_computers/file_system/programs/maintenance/camera.dm b/code/modules/modular_computers/file_system/programs/maintenance/camera.dm
index ca620814d8c..be13d01ad27 100644
--- a/code/modules/modular_computers/file_system/programs/maintenance/camera.dm
+++ b/code/modules/modular_computers/file_system/programs/maintenance/camera.dm
@@ -5,7 +5,7 @@
 	downloader_category = PROGRAM_CATEGORY_EQUIPMENT
 	extended_desc = "This program allows the taking of pictures."
 	size = 4
-	usage_flags = PROGRAM_PDA
+	can_run_on_flags = PROGRAM_PDA
 	tgui_id = "NtosCamera"
 	program_icon = "camera"
 
diff --git a/code/modules/modular_computers/file_system/programs/maintenance/phys_scanner.dm b/code/modules/modular_computers/file_system/programs/maintenance/phys_scanner.dm
index bee0cfce157..7cf05170eb8 100644
--- a/code/modules/modular_computers/file_system/programs/maintenance/phys_scanner.dm
+++ b/code/modules/modular_computers/file_system/programs/maintenance/phys_scanner.dm
@@ -4,7 +4,7 @@
 	downloader_category = PROGRAM_CATEGORY_EQUIPMENT
 	extended_desc = "This program allows the tablet to scan physical objects and display a data output."
 	size = 2
-	usage_flags = PROGRAM_PDA
+	can_run_on_flags = PROGRAM_PDA
 	tgui_id = "NtosPhysScanner"
 	program_icon = "barcode"
 	/// Information from the last scanned person, to display on the app.
diff --git a/code/modules/modular_computers/file_system/programs/messenger/messenger_program.dm b/code/modules/modular_computers/file_system/programs/messenger/messenger_program.dm
index 48ed1123755..3a986f0c55c 100644
--- a/code/modules/modular_computers/file_system/programs/messenger/messenger_program.dm
+++ b/code/modules/modular_computers/file_system/programs/messenger/messenger_program.dm
@@ -13,9 +13,9 @@
 	extended_desc = "This program allows old-school communication with other modular devices."
 	size = 0
 	undeletable = TRUE // It comes by default in tablets, can't be downloaded, takes no space and should obviously not be able to be deleted.
-	header_program = TRUE
-	available_on_ntnet = FALSE
-	usage_flags = PROGRAM_PDA
+	power_cell_use = NONE
+	program_flags = PROGRAM_HEADER | PROGRAM_RUNS_WITHOUT_POWER
+	can_run_on_flags = PROGRAM_PDA
 	ui_header = "ntnrc_idle.gif"
 	tgui_id = "NtosMessenger"
 	program_icon = "comment-alt"
diff --git a/code/modules/modular_computers/file_system/programs/newscasterapp.dm b/code/modules/modular_computers/file_system/programs/newscasterapp.dm
index e7d3b25a3db..a19f38fb777 100644
--- a/code/modules/modular_computers/file_system/programs/newscasterapp.dm
+++ b/code/modules/modular_computers/file_system/programs/newscasterapp.dm
@@ -6,8 +6,7 @@
 	program_open_overlay = "bountyboard"
 	extended_desc = "This program allows any user to access the Newscaster network from anywhere."
 	size = 2
-	requires_ntnet = TRUE
-	available_on_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	tgui_id = "NtosNewscaster"
 	program_icon = "newspaper"
 	///The UI we use for the newscaster
diff --git a/code/modules/modular_computers/file_system/programs/notepad.dm b/code/modules/modular_computers/file_system/programs/notepad.dm
index 94b60b34b2e..a2fdd5929e8 100644
--- a/code/modules/modular_computers/file_system/programs/notepad.dm
+++ b/code/modules/modular_computers/file_system/programs/notepad.dm
@@ -7,7 +7,7 @@
 	size = 2
 	tgui_id = "NtosNotepad"
 	program_icon = "book"
-	usage_flags = PROGRAM_ALL
+	can_run_on_flags = PROGRAM_ALL
 
 	var/written_note = "Congratulations on your station upgrading to the new NtOS and Thinktronic based collaboration effort, \
 		bringing you the best in electronics and software since 2467!\n\
diff --git a/code/modules/modular_computers/file_system/programs/nt_pay.dm b/code/modules/modular_computers/file_system/programs/nt_pay.dm
index 5f5cdd00b48..abaf03fa1cc 100644
--- a/code/modules/modular_computers/file_system/programs/nt_pay.dm
+++ b/code/modules/modular_computers/file_system/programs/nt_pay.dm
@@ -7,7 +7,7 @@
 	size = 2
 	tgui_id = "NtosPay"
 	program_icon = "money-bill-wave"
-	usage_flags = PROGRAM_ALL
+	can_run_on_flags = PROGRAM_ALL
 	///Reference to the currently logged in user.
 	var/datum/bank_account/current_user
 	///Pay token, by which we can send credits
diff --git a/code/modules/modular_computers/file_system/programs/ntdownloader.dm b/code/modules/modular_computers/file_system/programs/ntdownloader.dm
index a4185ea2304..728f94372cf 100644
--- a/code/modules/modular_computers/file_system/programs/ntdownloader.dm
+++ b/code/modules/modular_computers/file_system/programs/ntdownloader.dm
@@ -5,8 +5,7 @@
 	extended_desc = "This program allows downloads of software from official NT repositories"
 	undeletable = TRUE
 	size = 4
-	requires_ntnet = TRUE
-	available_on_ntnet = FALSE
+	program_flags = PROGRAM_REQUIRES_NTNET
 	tgui_id = "NtosNetDownloader"
 	program_icon = "download"
 
@@ -46,7 +45,7 @@
 		return FALSE
 
 	// Attempting to download antag only program, but without having emagged/syndicate computer. No.
-	if(PRG.available_on_syndinet && !(computer.obj_flags & EMAGGED))
+	if((PRG.program_flags & PROGRAM_ON_SYNDINET_STORE) && !(computer.obj_flags & EMAGGED))
 		return FALSE
 
 	if(!computer || !computer.can_store_file(PRG))
@@ -136,11 +135,8 @@
 	data["emagged"] = (computer.obj_flags & EMAGGED)
 
 	var/list/repo = SSmodular_computers.available_antag_software | SSmodular_computers.available_station_software
-	var/list/program_categories = list()
 
 	for(var/datum/computer_file/program/programs as anything in repo)
-		if(!(programs.downloader_category in program_categories))
-			program_categories.Add(programs.downloader_category)
 		data["programs"] += list(list(
 			"icon" = programs.program_icon,
 			"filename" = programs.filename,
@@ -151,10 +147,10 @@
 			"compatible" = check_compatibility(programs),
 			"size" = programs.size,
 			"access" = programs.can_run(user, downloading = TRUE, access = access),
-			"verifiedsource" = programs.available_on_ntnet,
+			"verifiedsource" = !!(programs.program_flags & PROGRAM_ON_NTNET_STORE),
 		))
 
-	data["categories"] = show_categories & program_categories
+	data["categories"] = show_categories
 
 	return data
 
diff --git a/code/modules/modular_computers/file_system/programs/portrait_printer.dm b/code/modules/modular_computers/file_system/programs/portrait_printer.dm
index 63852aafa7b..6fc1358ccaf 100644
--- a/code/modules/modular_computers/file_system/programs/portrait_printer.dm
+++ b/code/modules/modular_computers/file_system/programs/portrait_printer.dm
@@ -16,8 +16,8 @@
 	program_open_overlay = "dummy"
 	extended_desc = "This program connects to a Spinward Sector community art site for viewing and printing art."
 	download_access = list(ACCESS_LIBRARY)
-	usage_flags = PROGRAM_CONSOLE
-	requires_ntnet = TRUE
+	can_run_on_flags = PROGRAM_CONSOLE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	size = 9
 	tgui_id = "NtosPortraitPrinter"
 	program_icon = "paint-brush"
diff --git a/code/modules/modular_computers/file_system/programs/powermonitor.dm b/code/modules/modular_computers/file_system/programs/powermonitor.dm
index 85721361b36..c5a8eba952b 100644
--- a/code/modules/modular_computers/file_system/programs/powermonitor.dm
+++ b/code/modules/modular_computers/file_system/programs/powermonitor.dm
@@ -8,8 +8,8 @@
 	extended_desc = "This program connects to sensors around the station to provide information about electrical systems"
 	ui_header = "power_norm.gif"
 	download_access = list(ACCESS_ENGINEERING)
-	usage_flags = PROGRAM_CONSOLE
-	requires_ntnet = FALSE
+	can_run_on_flags = PROGRAM_CONSOLE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	size = 8
 	tgui_id = "NtosPowerMonitor"
 	program_icon = "plug"
diff --git a/code/modules/modular_computers/file_system/programs/radar.dm b/code/modules/modular_computers/file_system/programs/radar.dm
index d4d318e9820..59647db7dce 100644
--- a/code/modules/modular_computers/file_system/programs/radar.dm
+++ b/code/modules/modular_computers/file_system/programs/radar.dm
@@ -4,9 +4,8 @@
 	downloader_category = PROGRAM_CATEGORY_EQUIPMENT
 	ui_header = "borg_mon.gif" //DEBUG -- new icon before PR
 	program_open_overlay = "radarntos"
-	requires_ntnet = TRUE
-	available_on_ntnet = FALSE
-	usage_flags = PROGRAM_LAPTOP | PROGRAM_PDA
+	program_flags = PROGRAM_REQUIRES_NTNET
+	can_run_on_flags = PROGRAM_LAPTOP | PROGRAM_PDA
 	size = 5
 	tgui_id = "NtosRadar"
 	///List of trackable entities. Updated by the scan() proc.
@@ -219,9 +218,8 @@
 	filename = "lifeline"
 	filedesc = "Lifeline"
 	extended_desc = "This program allows for tracking of crew members via their suit sensors."
-	requires_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	download_access = list(ACCESS_MEDICAL)
-	available_on_ntnet = TRUE
 	program_icon = "heartbeat"
 
 /datum/computer_file/program/radar/lifeline/find_atom()
@@ -259,9 +257,8 @@
 	filename = "custodiallocator"
 	filedesc = "Custodial Locator"
 	extended_desc = "This program allows for tracking of custodial equipment."
-	requires_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	download_access = list(ACCESS_JANITOR)
-	available_on_ntnet = TRUE
 	program_icon = "broom"
 	size = 2
 	detomatix_resistance = DETOMATIX_RESIST_MINOR
@@ -304,9 +301,7 @@
 	filedesc = "Fission360"
 	program_open_overlay = "radarsyndicate"
 	extended_desc = "This program allows for tracking of nuclear authorization disks and warheads."
-	requires_ntnet = FALSE
-	available_on_ntnet = FALSE
-	available_on_syndinet = TRUE
+	program_flags = PROGRAM_ON_SYNDINET_STORE
 	tgui_id = "NtosRadarSyndicate"
 	program_icon = "bomb"
 	arrowstyle = "ntosradarpointerS.png"
diff --git a/code/modules/modular_computers/file_system/programs/records.dm b/code/modules/modular_computers/file_system/programs/records.dm
index 4f42dd0e1be..063c19d35e1 100644
--- a/code/modules/modular_computers/file_system/programs/records.dm
+++ b/code/modules/modular_computers/file_system/programs/records.dm
@@ -7,8 +7,8 @@
 	program_open_overlay = "crew"
 	tgui_id = "NtosRecords"
 	size = 4
-	usage_flags = PROGRAM_PDA | PROGRAM_LAPTOP
-	available_on_ntnet = FALSE
+	can_run_on_flags = PROGRAM_PDA | PROGRAM_LAPTOP
+	program_flags = NONE
 	detomatix_resistance = DETOMATIX_RESIST_MINOR
 
 	var/mode
@@ -19,7 +19,7 @@
 	program_icon = "book-medical"
 	extended_desc = "Allows the user to view several basic medical records from the crew."
 	download_access = list(ACCESS_MEDICAL, ACCESS_FLAG_COMMAND)
-	available_on_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE
 	mode = "medical"
 
 /datum/computer_file/program/records/security
@@ -27,7 +27,7 @@
 	filename = "secrecords"
 	extended_desc = "Allows the user to view several basic security records from the crew."
 	download_access = list(ACCESS_SECURITY, ACCESS_FLAG_COMMAND)
-	available_on_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE
 	mode = "security"
 
 /datum/computer_file/program/records/proc/GetRecordsReadable()
diff --git a/code/modules/modular_computers/file_system/programs/robocontrol.dm b/code/modules/modular_computers/file_system/programs/robocontrol.dm
index edb37529367..37ae20f5260 100644
--- a/code/modules/modular_computers/file_system/programs/robocontrol.dm
+++ b/code/modules/modular_computers/file_system/programs/robocontrol.dm
@@ -5,7 +5,7 @@
 	downloader_category = PROGRAM_CATEGORY_SCIENCE
 	program_open_overlay = "robot"
 	extended_desc = "A remote controller used for giving basic commands to non-sentient robots."
-	requires_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	size = 6
 	tgui_id = "NtosRoboControl"
 	program_icon = "robot"
diff --git a/code/modules/modular_computers/file_system/programs/robotact.dm b/code/modules/modular_computers/file_system/programs/robotact.dm
index e89fab4258c..d7a7122090d 100644
--- a/code/modules/modular_computers/file_system/programs/robotact.dm
+++ b/code/modules/modular_computers/file_system/programs/robotact.dm
@@ -5,10 +5,9 @@
 	extended_desc = "A built-in app for cyborg self-management and diagnostics."
 	ui_header = "robotact.gif" //DEBUG -- new icon before PR
 	program_open_overlay = "command"
-	requires_ntnet = FALSE
-	available_on_ntnet = FALSE
+	program_flags = NONE
 	undeletable = TRUE
-	usage_flags = PROGRAM_PDA
+	can_run_on_flags = PROGRAM_PDA
 	size = 5
 	tgui_id = "NtosRobotact"
 	program_icon = "terminal"
diff --git a/code/modules/modular_computers/file_system/programs/secureye.dm b/code/modules/modular_computers/file_system/programs/secureye.dm
index 3e1f19a935a..c9e4fc087f3 100644
--- a/code/modules/modular_computers/file_system/programs/secureye.dm
+++ b/code/modules/modular_computers/file_system/programs/secureye.dm
@@ -7,9 +7,9 @@
 	ui_header = "borg_mon.gif"
 	program_open_overlay = "generic"
 	extended_desc = "This program allows access to standard security camera networks."
-	requires_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	download_access = list(ACCESS_SECURITY)
-	usage_flags = PROGRAM_CONSOLE | PROGRAM_LAPTOP
+	can_run_on_flags = PROGRAM_CONSOLE | PROGRAM_LAPTOP
 	size = 5
 	tgui_id = "NtosSecurEye"
 	program_icon = "eye"
@@ -40,11 +40,8 @@
 	filedesc = "SyndEye"
 	extended_desc = "This program allows for illegal access to security camera networks."
 	download_access = list()
-	available_on_ntnet = FALSE
-	available_on_syndinet = TRUE
-	requires_ntnet = FALSE
-	usage_flags = PROGRAM_ALL
-	unique_copy = TRUE
+	can_run_on_flags = PROGRAM_ALL
+	program_flags = PROGRAM_ON_SYNDINET_STORE | PROGRAM_UNIQUE_COPY
 
 	network = list("ss13", "mine", "rd", "labor", "ordnance", "minisat")
 	spying = TRUE
diff --git a/code/modules/modular_computers/file_system/programs/signalcommander.dm b/code/modules/modular_computers/file_system/programs/signalcommander.dm
index 8e98b4ce7a8..2032ad5461b 100644
--- a/code/modules/modular_computers/file_system/programs/signalcommander.dm
+++ b/code/modules/modular_computers/file_system/programs/signalcommander.dm
@@ -7,7 +7,7 @@
 	size = 2
 	tgui_id = "NtosSignaler"
 	program_icon = "satellite-dish"
-	usage_flags = PROGRAM_PDA | PROGRAM_LAPTOP
+	can_run_on_flags = PROGRAM_PDA | PROGRAM_LAPTOP
 	///What is the saved signal frequency?
 	var/signal_frequency = FREQ_SIGNALER
 	/// What is the saved signal code?
diff --git a/code/modules/modular_computers/file_system/programs/skill_tracker.dm b/code/modules/modular_computers/file_system/programs/skill_tracker.dm
index e1bdf745fb0..9063e3e239d 100644
--- a/code/modules/modular_computers/file_system/programs/skill_tracker.dm
+++ b/code/modules/modular_computers/file_system/programs/skill_tracker.dm
@@ -7,7 +7,7 @@
 	size = 2
 	tgui_id = "NtosSkillTracker"
 	program_icon = "medal"
-	usage_flags = PROGRAM_PDA // Must be a handheld device to read read your chakras or whatever
+	can_run_on_flags = PROGRAM_PDA // Must be a handheld device to read read your chakras or whatever
 
 /datum/computer_file/program/skill_tracker/ui_data(mob/user)
 	var/list/data = list()
diff --git a/code/modules/modular_computers/file_system/programs/sm_monitor.dm b/code/modules/modular_computers/file_system/programs/sm_monitor.dm
index f3b0c44f934..0002aa983cc 100644
--- a/code/modules/modular_computers/file_system/programs/sm_monitor.dm
+++ b/code/modules/modular_computers/file_system/programs/sm_monitor.dm
@@ -5,7 +5,7 @@
 	ui_header = "smmon_0.gif"
 	program_open_overlay = "smmon_0"
 	extended_desc = "Crystal Integrity Monitoring System, connects to specially calibrated supermatter sensors to provide information on the status of supermatter-based engines."
-	requires_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	download_access = list(ACCESS_CONSTRUCTION)
 	size = 5
 	tgui_id = "NtosSupermatter"
diff --git a/code/modules/modular_computers/file_system/programs/statusdisplay.dm b/code/modules/modular_computers/file_system/programs/statusdisplay.dm
index 76798990de4..9384ccdc80f 100644
--- a/code/modules/modular_computers/file_system/programs/statusdisplay.dm
+++ b/code/modules/modular_computers/file_system/programs/statusdisplay.dm
@@ -3,14 +3,13 @@
 	filedesc = "Status Display"
 	program_icon = "signal"
 	program_open_overlay = "generic"
-	requires_ntnet = TRUE
 	size = 1
 
 	extended_desc = "An app used to change the message on the station status displays."
 	tgui_id = "NtosStatus"
 
-	usage_flags = PROGRAM_ALL
-	available_on_ntnet = FALSE
+	can_run_on_flags = PROGRAM_ALL
+	program_flags = PROGRAM_REQUIRES_NTNET
 
 	var/upper_text = ""
 	var/lower_text = ""
diff --git a/code/modules/modular_computers/file_system/programs/techweb.dm b/code/modules/modular_computers/file_system/programs/techweb.dm
index df946dd9b24..3d9af432b69 100644
--- a/code/modules/modular_computers/file_system/programs/techweb.dm
+++ b/code/modules/modular_computers/file_system/programs/techweb.dm
@@ -4,7 +4,7 @@
 	downloader_category = PROGRAM_CATEGORY_SCIENCE
 	program_open_overlay = "research"
 	extended_desc = "Connect to the internal science server in order to assist in station research efforts."
-	requires_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	size = 10
 	tgui_id = "NtosTechweb"
 	program_icon = "atom"
diff --git a/code/modules/modular_computers/file_system/programs/theme_selector.dm b/code/modules/modular_computers/file_system/programs/theme_selector.dm
index 8dca856a238..5fdf1c8d365 100644
--- a/code/modules/modular_computers/file_system/programs/theme_selector.dm
+++ b/code/modules/modular_computers/file_system/programs/theme_selector.dm
@@ -5,9 +5,7 @@
 	program_open_overlay = "generic"
 	undeletable = TRUE
 	size = 0
-	header_program = TRUE
-	available_on_ntnet = TRUE
-	requires_ntnet = FALSE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_HEADER
 	tgui_id = "NtosThemeConfigure"
 	program_icon = "paint-roller"
 
diff --git a/code/modules/modular_computers/file_system/programs/wirecarp.dm b/code/modules/modular_computers/file_system/programs/wirecarp.dm
index 8e4acbcb38a..64ef7137b00 100644
--- a/code/modules/modular_computers/file_system/programs/wirecarp.dm
+++ b/code/modules/modular_computers/file_system/programs/wirecarp.dm
@@ -5,9 +5,8 @@
 	program_open_overlay = "comm_monitor"
 	extended_desc = "This program monitors stationwide NTNet network, provides access to logging systems, and allows for configuration changes"
 	size = 12
-	requires_ntnet = TRUE
 	run_access = list(ACCESS_NETWORK) //NETWORK CONTROL IS A MORE SECURE PROGRAM.
-	available_on_ntnet = TRUE
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET
 	tgui_id = "NtosNetMonitor"
 	program_icon = "network-wired"
 
diff --git a/code/modules/power/cell.dm b/code/modules/power/cell.dm
index 0d0bb09c997..ec6c23b00c6 100644
--- a/code/modules/power/cell.dm
+++ b/code/modules/power/cell.dm
@@ -20,12 +20,12 @@
 	throw_speed = 2
 	throw_range = 5
 	w_class = WEIGHT_CLASS_SMALL
+	custom_materials = list(/datum/material/iron=SMALL_MATERIAL_AMOUNT*7, /datum/material/glass=SMALL_MATERIAL_AMOUNT*0.5)
+	grind_results = list(/datum/reagent/lithium = 15, /datum/reagent/iron = 5, /datum/reagent/silicon = 5)
 	///Current charge in cell units
 	var/charge = 0
 	///Maximum charge in cell units
 	var/maxcharge = STANDARD_CELL_CHARGE
-	custom_materials = list(/datum/material/iron=SMALL_MATERIAL_AMOUNT*7, /datum/material/glass=SMALL_MATERIAL_AMOUNT*0.5)
-	grind_results = list(/datum/reagent/lithium = 15, /datum/reagent/iron = 5, /datum/reagent/silicon = 5)
 	///If the cell has been booby-trapped by injecting it with plasma. Chance on use() to explode.
 	var/rigged = FALSE
 	///If the power cell was damaged by an explosion, chance for it to become corrupted and function the same as rigged.
diff --git a/tgui/packages/tgui/layouts/NtosWindow.jsx b/tgui/packages/tgui/layouts/NtosWindow.jsx
index c2ca8a99055..efa8a43a7ec 100644
--- a/tgui/packages/tgui/layouts/NtosWindow.jsx
+++ b/tgui/packages/tgui/layouts/NtosWindow.jsx
@@ -21,6 +21,7 @@ export const NtosWindow = (props) => {
     PC_stationtime,
     PC_programheaders = [],
     PC_showexitprogram,
+    PC_lowpower_mode,
   } = data;
   return (
     <Window title={title} width={width} height={height} theme={PC_device_theme}>
@@ -41,6 +42,7 @@ export const NtosWindow = (props) => {
             </Box>
             <Box inline italic mr={2} opacity={0.33}>
               {(PC_device_theme === 'syndicate' && 'Syndix') || 'NtOS'}
+              {!!PC_lowpower_mode && ' - RUNNING ON LOW POWER MODE'}
             </Box>
           </div>
           <div className="NtosHeader__right">