diff --git a/GainStation13/code/game/sound.dm b/GainStation13/code/game/sound.dm
index 5f7401e17e..92303a0dc7 100644
--- a/GainStation13/code/game/sound.dm
+++ b/GainStation13/code/game/sound.dm
@@ -1,7 +1,7 @@
-/proc/playsound_prefed(atom/source, soundin, pref, vol as num, vary, extrarange as num, falloff, frequency = null, channel = 0, pressure_affected = TRUE, ignore_walls = TRUE, soundenvwet = -10000, soundenvdry = 0)
+/proc/playsound_prefed(atom/source, soundin, pref, vol as num, vary, extrarange as num, falloff_exponent = SOUND_FALLOFF_EXPONENT, frequency = null, channel = 0, pressure_affected = TRUE, ignore_walls = TRUE,
+	falloff_distance = SOUND_DEFAULT_FALLOFF_DISTANCE, envwet = -10000, envdry = 0, distance_multiplier = SOUND_DEFAULT_DISTANCE_MULTIPLIER, distance_multiplier_min_range = SOUND_DEFAULT_MULTIPLIER_EFFECT_RANGE)
 	if(isarea(source))
-		throw EXCEPTION("playsound(): source is an area")
-		return
+		CRASH("playsound(): source is an area")
 
 	var/turf/turf_source = get_turf(source)
 
@@ -9,29 +9,42 @@
 		return
 
 	//allocate a channel if necessary now so its the same for everyone
-	channel = channel //|| open_sound_channel()
+	channel = channel || SSsounds.random_available_channel()
 
- 	// Looping through the player list has the added bonus of working for mobs inside containers
+	// Looping through the player list has the added bonus of working for mobs inside containers
 	var/sound/S = sound(get_sfx(soundin))
-	var/maxdistance = (world.view + extrarange)
-	var/z = turf_source.z
-	var/list/listeners = SSmobs.clients_by_zlevel[z]
+	var/maxdistance = SOUND_RANGE + extrarange
+	var/source_z = turf_source.z
+	var/list/listeners = SSmobs.clients_by_zlevel[source_z].Copy()
+
+	var/turf/above_turf = SSmapping.get_turf_above(turf_source)
+	var/turf/below_turf = SSmapping.get_turf_below(turf_source)
+
 	if(!ignore_walls) //these sounds don't carry through walls
 		listeners = listeners & hearers(maxdistance,turf_source)
 
+		if(above_turf && istransparentturf(above_turf))
+			listeners += hearers(maxdistance,above_turf)
+
+		if(below_turf && istransparentturf(turf_source))
+			listeners += hearers(maxdistance,below_turf)
+
+	else
+		if(above_turf && istransparentturf(above_turf))
+			listeners += SSmobs.clients_by_zlevel[above_turf.z]
+
+		if(below_turf && istransparentturf(turf_source))
+			listeners += SSmobs.clients_by_zlevel[below_turf.z]
+
 	for(var/P in listeners)
 		var/mob/M = P
-		if(!M.client)
-			continue
 		if(!(M.client?.prefs.cit_toggles & pref))
 			continue
 		if(get_dist(M, turf_source) <= maxdistance)
-			M.playsound_local(turf_source, soundin, vol, vary, frequency, falloff, channel, pressure_affected, S, soundenvwet, soundenvdry)
-	for(var/P in SSmobs.dead_players_by_zlevel[z])
+			M.playsound_local(turf_source, soundin, vol, vary, frequency, falloff_exponent, channel, pressure_affected, S, maxdistance, falloff_distance, get_dist(M, turf_source) <= distance_multiplier_min_range? 1 : distance_multiplier, envwet, envdry)
+	for(var/P in SSmobs.dead_players_by_zlevel[source_z])
 		var/mob/M = P
-		if(!M.client)
-			continue
 		if(!(M.client?.prefs.cit_toggles & pref))
 			continue
 		if(get_dist(M, turf_source) <= maxdistance)
-			M.playsound_local(turf_source, soundin, vol, vary, frequency, falloff, channel, pressure_affected, S, soundenvwet, soundenvdry)
+			M.playsound_local(turf_source, soundin, vol, vary, frequency, falloff_exponent, channel, pressure_affected, S, maxdistance, falloff_distance, get_dist(M, turf_source) <= distance_multiplier_min_range? 1 : distance_multiplier, envwet, envdry)
diff --git a/code/__DEFINES/citadel_defines.dm b/code/__DEFINES/citadel_defines.dm
index 91173d9c22..a5b36e862e 100644
--- a/code/__DEFINES/citadel_defines.dm
+++ b/code/__DEFINES/citadel_defines.dm
@@ -147,5 +147,5 @@
 #define OLD_CHARACTER_COLORING			"old_color_system"
 #define ADVANCED_CHARACTER_COLORING		"advanced_color_system"
 
-#define FARTING_NOISES		(1<<4) //GS13
-#define BURPING_NOISES		(1<<5) //GS13
+#define FARTING_NOISES		(1<<17) //GS13
+#define BURPING_NOISES		(1<<18) //GS13
diff --git a/code/game/sound.dm b/code/game/sound.dm
index a99d9aeaa9..c28b0a38e1 100644
--- a/code/game/sound.dm
+++ b/code/game/sound.dm
@@ -340,4 +340,28 @@ distance_multiplier - Can be used to multiply the distance at which the sound is
 			if("smdelam")
 				soundin = pick('sound/machines/sm/accent/delam/1.ogg', 'sound/machines/sm/accent/normal/2.ogg', 'sound/machines/sm/accent/normal/3.ogg', 'sound/machines/sm/accent/normal/4.ogg', 'sound/machines/sm/accent/normal/5.ogg', 'sound/machines/sm/accent/normal/6.ogg', 'sound/machines/sm/accent/normal/7.ogg', 'sound/machines/sm/accent/normal/8.ogg', 'sound/machines/sm/accent/normal/9.ogg', 'sound/machines/sm/accent/normal/10.ogg', 'sound/machines/sm/accent/normal/11.ogg', 'sound/machines/sm/accent/normal/12.ogg', 'sound/machines/sm/accent/normal/13.ogg', 'sound/machines/sm/accent/normal/14.ogg', 'sound/machines/sm/accent/normal/15.ogg', 'sound/machines/sm/accent/normal/16.ogg', 'sound/machines/sm/accent/normal/17.ogg', 'sound/machines/sm/accent/normal/18.ogg', 'sound/machines/sm/accent/normal/19.ogg', 'sound/machines/sm/accent/normal/20.ogg', 'sound/machines/sm/accent/normal/21.ogg', 'sound/machines/sm/accent/normal/22.ogg', 'sound/machines/sm/accent/normal/23.ogg', 'sound/machines/sm/accent/normal/24.ogg', 'sound/machines/sm/accent/normal/25.ogg', 'sound/machines/sm/accent/normal/26.ogg', 'sound/machines/sm/accent/normal/27.ogg', 'sound/machines/sm/accent/normal/28.ogg', 'sound/machines/sm/accent/normal/29.ogg', 'sound/machines/sm/accent/normal/30.ogg', 'sound/machines/sm/accent/normal/31.ogg', 'sound/machines/sm/accent/normal/32.ogg', 'sound/machines/sm/accent/normal/33.ogg')
 			//END OF CIT CHANGES
+			// GS13 Start - Gainstation sounds
+			if("belch")
+				soundin = pick(	'GainStation13/sound/voice/belch1.ogg', 'GainStation13/sound/voice/belch2.ogg',
+								'GainStation13/sound/voice/belch3.ogg', 'GainStation13/sound/voice/belch4.ogg',
+								'GainStation13/sound/voice/belch5.ogg', 'GainStation13/sound/voice/belch6.ogg',
+								'GainStation13/sound/voice/belch7.ogg', 'GainStation13/sound/voice/belch8.ogg',
+								'GainStation13/sound/voice/belch9.ogg', 'GainStation13/sound/voice/belch10.ogg',
+								'GainStation13/sound/voice/belch11.ogg')
+			if("brap")
+				soundin = pick(	'GainStation13/sound/voice/brap1.ogg', 'GainStation13/sound/voice/brap2.ogg',
+								'GainStation13/sound/voice/brap3.ogg', 'GainStation13/sound/voice/brap4.ogg',
+								'GainStation13/sound/voice/brap5.ogg', 'GainStation13/sound/voice/brap6.ogg',
+								'GainStation13/sound/voice/brap7.ogg', 'GainStation13/sound/voice/brap8.ogg')
+			if("burp")
+				soundin = pick(	'GainStation13/sound/voice/burp1.ogg')
+			if("burunyu")
+				soundin = pick(	'GainStation13/sound/voice/funnycat.ogg')
+			if("fart")
+				soundin = pick(	'GainStation13/sound/voice/fart1.ogg', 'GainStation13/sound/voice/fart2.ogg',
+								'GainStation13/sound/voice/fart3.ogg', 'GainStation13/sound/voice/fart4.ogg')
+			if("gurgle")
+				soundin = pick(	'GainStation13/sound/voice/gurgle1.ogg', 'GainStation13/sound/voice/gurgle2.ogg',
+								'GainStation13/sound/voice/gurgle3.ogg')
+			// GS13 end
 	return soundin
diff --git a/code/modules/client/preferences.dm b/code/modules/client/preferences.dm
index 86d374a70d..848f4161e6 100644
--- a/code/modules/client/preferences.dm
+++ b/code/modules/client/preferences.dm
@@ -1405,6 +1405,8 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 					dat += "<b>Show that you want to be confronted:</b><a href='?_src_=prefs;preference=trouble_seeker'>[trouble_seeker == TRUE ? "Enabled" : "Disabled"]</a><BR>"
 					dat += "<b>Bot Feeding:</b><a href='?_src_=prefs;preference=bot_feeding'>[bot_feeding == TRUE ? "Enabled" : "Disabled"]</a><BR>"
 					dat += "<b>Blueberry Inflation:</b><a href='?_src_=prefs;preference=blueberry_inflation'>[blueberry_inflation == TRUE ? "Enabled" : "Disabled"]</a><BR>"
+					dat += "<b>Hear Burping Noises:</b> <a href='?_src_=prefs;preference=burping_noises'>[(cit_toggles & BURPING_NOISES) ? "Allowed" : "Disallowed"]</a><br>"
+					dat += "<b>Hear Farting Noises:</b> <a href='?_src_=prefs;preference=farting_noises'>[(cit_toggles & FARTING_NOISES) ? "Allowed" : "Disallowed"]</a><br>"
 
 					dat += "<h2>Weight Gain Types</h2>"
 					dat += "<b>Food:</b><a href='?_src_=prefs;preference=weight_gain_food'>[weight_gain_food == TRUE ? "Enabled" : "Disabled"]</a><BR>"
@@ -3505,6 +3507,11 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 
 				if("blueberry_inflation")
 					blueberry_inflation = !blueberry_inflation
+				if("burping_noises")
+					cit_toggles ^= BURPING_NOISES
+				if("farting_noises")
+					cit_toggles ^= FARTING_NOISES
+
 				if("max_fatness")
 					max_weight = chose_weight("Choose your max fatness level, your weight will not go beyond this. None will let you gain without a limit", user)