diff --git a/code/game/gamemodes/malfunction/Malf_Modules.dm b/code/game/gamemodes/malfunction/Malf_Modules.dm
index 7f1753a73a..328264c673 100644
--- a/code/game/gamemodes/malfunction/Malf_Modules.dm
+++ b/code/game/gamemodes/malfunction/Malf_Modules.dm
@@ -34,7 +34,7 @@ rcd light flash thingy on matter drain
 	mod_pick_name = "coreup"
 
 /client/proc/fireproof_core()
-	set category = "AI Modules"
+	set category = "Malfunction"
 	set name = "Fireproof Core"
 	for(var/mob/living/silicon/ai/ai in world)
 		ai.fire_res_on_core = 1
@@ -46,7 +46,7 @@ rcd light flash thingy on matter drain
 	mod_pick_name = "turret"
 
 /client/proc/upgrade_turrets()
-	set category = "AI Modules"
+	set category = "Malfunction"
 	set name = "Upgrade Turrets"
 	usr.verbs -= /client/proc/upgrade_turrets
 	for(var/obj/machinery/turret/turret in world)
@@ -58,10 +58,14 @@ rcd light flash thingy on matter drain
 	mod_pick_name = "rcd"
 
 /client/proc/disable_rcd()
-	set category = "AI Modules"
+	set category = "Malfunction"
 	set name = "Disable RCDs"
-	for(var/obj/item/weapon/rcd/rcd in world)
-		rcd = new /obj/item/weapon/rcd_fake(rcd)
+	for(var/datum/game_mode/malfunction/AI_Module/large/disable_rcd/rcdmod in usr:current_modules)
+		if(rcdmod.uses > 0)
+			rcdmod.uses --
+			for(var/obj/item/weapon/rcd/rcd in world)
+				rcd = new /obj/item/weapon/rcd_fake(rcd)
+		else usr << "Out of uses."
 
 /datum/game_mode/malfunction/AI_Module/small/overload_machine
 	module_name = "Machine overload"
@@ -70,6 +74,7 @@ rcd light flash thingy on matter drain
 
 /client/proc/overload_machine(obj/machinery/M as obj in world)
 	set name = "Overload Machine"
+	set category = "Malfunction"
 	for(var/datum/game_mode/malfunction/AI_Module/small/overload_machine/overload in usr:current_modules)
 		if(overload.uses > 0)
 			overload.uses --
@@ -77,8 +82,7 @@ rcd light flash thingy on matter drain
 				V.show_message(text("\blue You hear a loud electrical buzzing sound!"))
 			spawn(50)
 				explosion(get_turf(M), 0,1,1,0)
-		if(overload.uses == 0)
-			usr.verbs -= /client/proc/overload_machine
+		else usr << "Out of uses."
 
 /datum/game_mode/malfunction/AI_Module/small/blackout
 	module_name = "Blackout"
@@ -86,7 +90,7 @@ rcd light flash thingy on matter drain
 	uses = 3
 
 /client/proc/blackout()
-	set category = "AI Modules"
+	set category = "Malfunction"
 	set name = "Blackout"
 	for(var/datum/game_mode/malfunction/AI_Module/small/blackout/blackout in usr:current_modules)
 		if(blackout.uses > 0)
@@ -94,15 +98,14 @@ rcd light flash thingy on matter drain
 			for(var/obj/machinery/power/apc/apc in world)
 				if(prob(30))
 				 apc.overload_lighting()
-		if(blackout.uses == 0)
-			usr.verbs -= /client/proc/blackout
+		else usr << "Out of uses."
 
 /datum/game_mode/malfunction/AI_Module/small/interhack
 	module_name = "Hack intercept"
 	mod_pick_name = "interhack"
 
 /client/proc/interhack()
-	set category = "AI Modules"
+	set category = "Malfunction"
 	set name = "Hack intercept"
 	usr.verbs -= /client/proc/interhack
 	ticker.mode:hack_intercept()
@@ -114,6 +117,7 @@ rcd light flash thingy on matter drain
 
 /client/proc/reactivate_camera(obj/machinery/camera/C as obj in world)
 	set name = "Reactivate Camera"
+	set category = "Malfunction"
 	for(var/datum/game_mode/malfunction/AI_Module/small/reactivate_camera/camera in usr:current_modules)
 		if(camera.uses > 0)
 			if(!C.status)
@@ -123,8 +127,7 @@ rcd light flash thingy on matter drain
 					V.show_message(text("\blue You hear a quiet click."))
 			else
 				usr << "This camera is either active, or not repairable."
-		if(camera.uses == 0)
-			usr.verbs -= /client/proc/reactivate_camera
+		else usr << "Out of uses."
 
 
 /datum/game_mode/malfunction/AI_Module/module_picker
@@ -153,7 +156,7 @@ rcd light flash thingy on matter drain
 		dat += "<B>Install Module:</B><BR>"
 		dat += "<I>The number afterwards is the amount of processing time it consumes.</I><BR>"
 		for(var/datum/game_mode/malfunction/AI_Module/large/module in src.possible_modules)
-			dat += "<A href='byond://?src=\ref[src];[module.mod_pick_name]=1'>[module.module_name]</A> (55)<BR>"
+			dat += "<A href='byond://?src=\ref[src];[module.mod_pick_name]=1'>[module.module_name]</A> (50)<BR>"
 		for(var/datum/game_mode/malfunction/AI_Module/small/module in src.possible_modules)
 			dat += "<A href='byond://?src=\ref[src];[module.mod_pick_name]=1'>[module.module_name]</A> (15)<BR>"
 		dat += "<HR>"
@@ -165,37 +168,93 @@ rcd light flash thingy on matter drain
 /datum/game_mode/malfunction/AI_Module/module_picker/Topic(href, href_list)
 	..()
 	if (href_list["coreup"])
-		usr.verbs += /client/proc/fireproof_core
-		src.temp = "An upgrade to improve core resistance, making it immune to fire and heat. This effect is permanent. One use."
-		src.processing_time -= 50
+		var/already
+		for (var/datum/game_mode/malfunction/AI_Module/mod in usr:current_modules)
+			if(istype(mod, /datum/game_mode/malfunction/AI_Module/large/fireproof_core))
+				already = 1
+		if (!already)
+			usr.verbs += /client/proc/fireproof_core
+			usr:current_modules += new /datum/game_mode/malfunction/AI_Module/large/fireproof_core
+			src.temp = "An upgrade to improve core resistance, making it immune to fire and heat. This effect is permanent."
+			src.processing_time -= 50
+		else src.temp = "This module is only needed once."
+
 	else if (href_list["turret"])
-		usr.verbs += /client/proc/upgrade_turrets
-		src.temp = "Improves the firing speed and health of all AI turrets. This effect is permanent. One use."
-		src.processing_time -= 50
+		var/already
+		for (var/datum/game_mode/malfunction/AI_Module/mod in usr:current_modules)
+			if(istype(mod, /datum/game_mode/malfunction/AI_Module/large/upgrade_turrets))
+				already = 1
+		if (!already)
+			usr.verbs += /client/proc/upgrade_turrets
+			usr:current_modules += new /datum/game_mode/malfunction/AI_Module/large/upgrade_turrets
+			src.temp = "Improves the firing speed and health of all AI turrets. This effect is permanent."
+			src.processing_time -= 50
+		else src.temp = "This module is only needed once."
+
 	else if (href_list["rcd"])
-		usr.verbs += /client/proc/disable_rcd
-		src.temp = 	"Send a specialised pulse to break all RCD devices on the station. One use."
+		var/already
+		for (var/datum/game_mode/malfunction/AI_Module/mod in usr:current_modules)
+			if(istype(mod, /datum/game_mode/malfunction/AI_Module/large/disable_rcd))
+				mod:uses += 1
+				already = 1
+		if (!already)
+			usr:current_modules += new /datum/game_mode/malfunction/AI_Module/large/disable_rcd
+			usr.verbs += /client/proc/disable_rcd
+			src.temp = 	"Send a specialised pulse to break all RCD devices on the station."
+		else src.temp = "Additional use added to RCD disabler."
 		src.processing_time -= 50
+
 	else if (href_list["overload"])
-		usr.verbs += /client/proc/overload_machine
-		usr:current_modules += new /datum/game_mode/malfunction/AI_Module/small/overload_machine
-		src.temp = "Overloads an electrical machine, causing a small explosion. 2 uses."
+		var/already
+		for (var/datum/game_mode/malfunction/AI_Module/mod in usr:current_modules)
+			if(istype(mod, /datum/game_mode/malfunction/AI_Module/small/overload_machine))
+				mod:uses += 2
+				already = 1
+		if (!already)
+			usr.verbs += /client/proc/overload_machine
+			usr:current_modules += new /datum/game_mode/malfunction/AI_Module/small/overload_machine
+			src.temp = "Overloads an electrical machine, causing a small explosion. 2 uses."
+		else src.temp = "Two additional uses added to Overload module."
 		src.processing_time -= 15
+
 	else if (href_list["blackout"])
-		usr.verbs += /client/proc/blackout
-		src.temp = "Attempts to overload the lighting circuits on the station, destroying some bulbs. 3 uses."
-		usr:current_modules += new /datum/game_mode/malfunction/AI_Module/small/blackout
+		var/already
+		for (var/datum/game_mode/malfunction/AI_Module/mod in usr:current_modules)
+			if(istype(mod, /datum/game_mode/malfunction/AI_Module/small/blackout))
+				mod:uses += 3
+				already = 1
+		if (!already)
+			usr.verbs += /client/proc/blackout
+			src.temp = "Attempts to overload the lighting circuits on the station, destroying some bulbs. 3 uses."
+			usr:current_modules += new /datum/game_mode/malfunction/AI_Module/small/blackout
+		else src.temp = "Three additional uses added to Blackout module."
 		src.processing_time -= 15
+
 	else if (href_list["interhack"])
-		usr.verbs += /client/proc/interhack
-		src.temp = "Hacks the status upgrade from Cent. Com, removing any information about malfunctioning electrical systems. One use."
-		usr:current_modules += new /datum/game_mode/malfunction/AI_Module/small/interhack
-		src.processing_time -= 15
+		var/already
+		for (var/datum/game_mode/malfunction/AI_Module/mod in usr:current_modules)
+			if(istype(mod, /datum/game_mode/malfunction/AI_Module/small/interhack))
+				already = 1
+		if (!already)
+			usr.verbs += /client/proc/interhack
+			src.temp = "Hacks the status upgrade from Cent. Com, removing any information about malfunctioning electrical systems."
+			usr:current_modules += new /datum/game_mode/malfunction/AI_Module/small/interhack
+			src.processing_time -= 15
+		else src.temp = "This module is only needed once."
+
 	else if (href_list["recam"])
-		usr.verbs += /client/proc/reactivate_camera
-		src.temp = "Reactivates a currently disabled camera. 10 uses."
-		usr:current_modules += new /datum/game_mode/malfunction/AI_Module/small/reactivate_camera
+		var/already
+		for (var/datum/game_mode/malfunction/AI_Module/mod in usr:current_modules)
+			if(istype(mod, /datum/game_mode/malfunction/AI_Module/small/reactivate_camera))
+				mod:uses += 10
+				already = 1
+		if (!already)
+			usr.verbs += /client/proc/reactivate_camera
+			src.temp = "Reactivates a currently disabled camera. 10 uses."
+			usr:current_modules += new /datum/game_mode/malfunction/AI_Module/small/reactivate_camera
+		else src.temp = "Ten additional uses added to ReCam module."
 		src.processing_time -= 15
+
 	else
 		if (href_list["temp"])
 			src.temp = null