it compiles, now to fix the maps

code/__DEFINES/radio.dm

@@ -65,6 +65,7 @@
 #define FREQ_ENGINEERING 1357  // Engineering comms frequency, orange
 #define FREQ_SECURITY 1359  // Security comms frequency, red
 
+#define FREQ_HOLOGRID_SOLUTION 1433
 #define FREQ_STATUS_DISPLAYS 1435
 #define FREQ_ATMOS_ALARMS 1437  // air alarms <-> alert computers
 #define FREQ_ATMOS_CONTROL 1439  // air alarms <-> vents and scrubbers

code/datums/elements/snail_crawl.dm

@@ -0,0 +1,31 @@
+/datum/element/snailcrawl
+	element_flags = ELEMENT_DETACH
+
+/datum/element/snailcrawl/Attach(datum/target)
+	. = ..()
+	if(!ismovable(target))
+		return ELEMENT_INCOMPATIBLE
+	var/P
+	if(iscarbon(target))
+		P = .proc/snail_crawl
+	else
+		P = .proc/lubricate
+	RegisterSignal(target, COMSIG_MOVABLE_MOVED, P)
+
+/datum/element/snailcrawl/Detach(mob/living/carbon/target)
+	. = ..()
+	UnregisterSignal(target, COMSIG_MOVABLE_MOVED)
+	if(istype(target))
+		target.remove_movespeed_modifier(/datum/movespeed_modifier/snail_crawl)
+
+/datum/element/snailcrawl/proc/snail_crawl(mob/living/carbon/snail)
+	if(snail.resting && !snail.buckled && lubricate(snail))
+		snail.add_movespeed_modifier(/datum/movespeed_modifier/snail_crawl)
+	else
+		snail.remove_movespeed_modifier(/datum/movespeed_modifier/snail_crawl)
+
+/datum/element/snailcrawl/proc/lubricate(atom/movable/snail)
+	var/turf/open/OT = get_turf(snail)
+	if(istype(OT))
+		OT.MakeSlippery(TURF_WET_LUBE, 20)
+		return TRUE

code/game/objects/items/devices/pressureplates.dm

@@ -8,6 +8,7 @@
 	level = 1
 	var/trigger_mob = TRUE
 	var/trigger_item = FALSE
+	var/specific_item = null
 	var/trigger_silent = FALSE
 	var/sound/trigger_sound = 'sound/effects/pressureplate.ogg'
 	var/obj/item/assembly/signaler/sigdev = null
@@ -35,6 +36,8 @@
 	. = ..()
 	if(!can_trigger || !active)
 		return
+	if(trigger_item && !istype(AM, specific_item))
+		return
 	if(trigger_mob && isliving(AM))
 		var/mob/living/L = AM
 		to_chat(L, "<span class='warning'>You feel something click beneath you!</span>")

code/game/objects/items/puzzle_pieces.dm

@@ -115,7 +115,6 @@
 	roundstart_signaller_freq = FREQ_HOLOGRID_SOLUTION //Frequency is kept on it's own default channel however.
 	active = TRUE
 	trigger_delay = 10
-	protected = TRUE
 	resistance_flags = INDESTRUCTIBLE | FIRE_PROOF | ACID_PROOF | LAVA_PROOF
 	var/reward = /obj/item/reagent_containers/food/snacks/cookie
 	var/claimed = FALSE

code/game/turfs/simulated/floor/plating/asteroid.dm

@@ -398,9 +398,6 @@
 		if(istype(loc, /area/mine/explored) || istype(loc, /area/lavaland/surface/outdoors/explored))
 			return
 		var/randumb = pickweight(terrain_spawn_list)
-		for(var/obj/structure/geyser/F in range(7, T))
-			if(istype(F, randumb))
-				return
 		new randumb(T)
 
 /turf/open/floor/plating/asteroid/snow

code/modules/ruins/icemoonruin_code/hotsprings.dm

@@ -27,22 +27,7 @@ GLOBAL_LIST_EMPTY(cursed_minds)
 		return
 	GLOB.cursed_minds[L.mind] = TRUE
 	RegisterSignal(L.mind, COMSIG_PARENT_QDELETING, .proc/remove_from_cursed)
-	var/random_choice = pick("Mob", "Appearance")
-	switch(random_choice)
-		if("Mob")
-			L = wabbajack(L, "animal")
-		if("Appearance")
-			var/mob/living/carbon/human/H = wabbajack(L, "humanoid")
-			randomize_human(H)
-			var/list/all_species = list()
-			for(var/stype in subtypesof(/datum/species))
-				var/datum/species/S = stype
-				if(initial(S.changesource_flags) & RACE_SWAP)
-					all_species += stype
-			var/random_race = pick(all_species)
-			H.set_species(random_race)
-			H.dna.unique_enzymes = H.dna.generate_unique_enzymes()
-			L = H
+	L = wabbajack(L, "animal") // Appearance randomization removed so citadel players don't get randomized into some ungodly ugly creature and complain
 	var/turf/T = find_safe_turf()
 	L.forceMove(T)
 	to_chat(L, "<span class='notice'>You blink and find yourself in [get_area_name(T)].</span>")

code/modules/shuttle/navigation_computer.dm

@@ -13,6 +13,7 @@
 	var/view_range = 7
 	var/x_offset = 0
 	var/y_offset = 0
+	var/list/whitelist_turfs = list(/turf/open/space, /turf/open/floor/plating, /turf/open/lava)
 	var/space_turfs_only = TRUE
 	var/see_hidden = FALSE
 	var/designate_time = 0
@@ -22,6 +23,7 @@
 /obj/machinery/computer/camera_advanced/shuttle_docker/Initialize()
 	. = ..()
 	GLOB.navigation_computers += src
+	whitelist_turfs = typecacheof(whitelist_turfs)
 
 /obj/machinery/computer/camera_advanced/shuttle_docker/Destroy()
 	. = ..()
@@ -226,6 +228,11 @@
 		if(!ispath(turf_type, /turf/open/space))
 			return SHUTTLE_DOCKER_BLOCKED
 
+	if(length(whitelist_turfs))
+		var/turf_type = hidden_turf_info ? hidden_turf_info[2] : T.type
+		if(!is_type_in_typecache(turf_type, whitelist_turfs))
+			return SHUTTLE_DOCKER_BLOCKED
+
 	// Checking for overlapping dock boundaries
 	for(var/i in 1 to overlappers.len)
 		var/obj/docking_port/port = overlappers[i]