diff --git a/code/game/gamemodes/events/biomass.dm b/code/game/gamemodes/events/biomass.dm
index 8cbfe8cc47..d1508221f7 100644
--- a/code/game/gamemodes/events/biomass.dm
+++ b/code/game/gamemodes/events/biomass.dm
@@ -163,10 +163,11 @@
 	spawn() //to stop the secrets panel hanging
 		var/list/turf/simulated/floor/turfs = list() //list of all the empty floor turfs in the hallway areas
 		for(var/areapath in typesof(/area/hallway))
-			var/area/hallway/A = locate(areapath)
-			for(var/turf/simulated/floor/F in A)
-				if(!F.contents.len)
-					turfs += F
+			var/area/A = locate(areapath)
+			for(var/area/B in A.related)
+				for(var/turf/simulated/floor/F in B.contents)
+					if(!F.contents.len)
+						turfs += F
 
 		if(turfs.len) //Pick a turf to spawn at if we can
 			var/turf/simulated/floor/T = pick(turfs)
diff --git a/code/game/gamemodes/events/spacevines.dm b/code/game/gamemodes/events/spacevines.dm
index bf0b0fe99f..3ff70acbdf 100644
--- a/code/game/gamemodes/events/spacevines.dm
+++ b/code/game/gamemodes/events/spacevines.dm
@@ -248,10 +248,11 @@
 	spawn() //to stop the secrets panel hanging
 		var/list/turf/simulated/floor/turfs = list() //list of all the empty floor turfs in the hallway areas
 		for(var/areapath in typesof(/area/hallway))
-			var/area/hallway/A = locate(areapath)
-			for(var/turf/simulated/floor/F in A)
-				if(!F.contents.len)
-					turfs += F
+			var/area/A = locate(areapath)
+			for(var/area/B in A.related)
+				for(var/turf/simulated/floor/F in B.contents)
+					if(!F.contents.len)
+						turfs += F
 
 		if(turfs.len) //Pick a turf to spawn at if we can
 			var/turf/simulated/floor/T = pick(turfs)
diff --git a/code/global.dm b/code/global.dm
index 8e1c8dc1c9..c7b2404e0a 100644
--- a/code/global.dm
+++ b/code/global.dm
@@ -81,7 +81,7 @@ var/secret_force_mode = "secret" // if this is anything but "secret", the secret
 
 var/datum/engine_eject/engine_eject_control = null
 var/host = null
-var/aliens_allowed = 1
+var/aliens_allowed = 0
 var/ooc_allowed = 1
 var/dooc_allowed = 1
 var/traitor_scaling = 1
diff --git a/code/modules/events/event_dynamic.dm b/code/modules/events/event_dynamic.dm
index 524e5b55dd..38e86ec0e5 100644
--- a/code/modules/events/event_dynamic.dm
+++ b/code/modules/events/event_dynamic.dm
@@ -58,17 +58,17 @@
 		possibleEvents[/datum/event/meteor_shower] = 80 * active_with_role["Engineer"]
 		possibleEvents[/datum/event/blob] = 30 * active_with_role["Engineer"]
 
-	possibleEvents[/datum/event/viral_infection] = active_with_role["Medical"] * 50
+	possibleEvents[/datum/event/viral_infection] = 25 + active_with_role["Medical"] * 25
 	if(active_with_role["Medical"] > 0)
 		possibleEvents[/datum/event/radiation_storm] = active_with_role["Medical"] * 100
-		possibleEvents[/datum/event/viral_outbreak] = active_with_role["Medical"] * 25
-		possibleEvents[/datum/event/spontaneous_appendicitis] = active_with_role["Medical"] * 50
+		possibleEvents[/datum/event/spontaneous_appendicitis] = active_with_role["Medical"] * 75
+		possibleEvents[/datum/event/viral_outbreak] = active_with_role["Medical"] * 5
 
 	if(active_with_role["Security"] > 0)
 		possibleEvents[/datum/event/prison_break] = active_with_role["Security"] * 50
 		if(!sent_spiders_to_station)
 			possibleEvents[/datum/event/spider_infestation] = max(active_with_role["Security"], 5) + 5
-		if(!sent_aliens_to_station)
+		if(aliens_allowed && !sent_aliens_to_station)
 			possibleEvents[/datum/event/alien_infestation] = max(active_with_role["Security"], 5) + 2.5
 		if(!sent_ninja_to_station && toggle_space_ninja)
 			possibleEvents[/datum/event/space_ninja] = max(active_with_role["Security"], 5)
diff --git a/code/modules/events/infestation.dm b/code/modules/events/infestation.dm
index 5a0053ed58..513f83ea5e 100644
--- a/code/modules/events/infestation.dm
+++ b/code/modules/events/infestation.dm
@@ -58,13 +58,13 @@
 			spawn_area_type = /area/assembly/assembly_line
 			locstring = "the unused assembly line"
 
-	world << "looking for [spawn_area_type]"
+	//world << "looking for [spawn_area_type]"
 	for(var/areapath in typesof(spawn_area_type))
-		world << "	checking [areapath]"
+		//world << "	checking [areapath]"
 		var/area/A = locate(areapath)
-		world << "	A: [A], contents.len: [A.contents.len]"
+		//world << "	A: [A], contents.len: [A.contents.len]"
 		for(var/area/B in A.related)
-			world << "	B: [B], contents.len: [B.contents.len]"
+			//world << "	B: [B], contents.len: [B.contents.len]"
 			for(var/turf/simulated/floor/F in B.contents)
 				if(!F.contents.len)
 					turfs += F
diff --git a/code/modules/events/spacevine.dm b/code/modules/events/spacevine.dm
index 99381288ad..8f248f8592 100644
--- a/code/modules/events/spacevine.dm
+++ b/code/modules/events/spacevine.dm
@@ -1,10 +1,12 @@
 /var/global/spacevines_spawned = 0
 
-//not working: wait for fix in TG code
-
 /datum/event/spacevine
 	oneShot			= 1
 
 /datum/event/spacevine/start()
-	spacevine_infestation()
+	//biomass is basically just a resprited version of space vines
+	if(prob(50))
+		spacevine_infestation()
+	else
+		biomass_infestation()
 	spacevines_spawned = 1
diff --git a/code/modules/events/viral_infection.dm b/code/modules/events/viral_infection.dm
index 1069d7b7a8..3644905d8c 100644
--- a/code/modules/events/viral_infection.dm
+++ b/code/modules/events/viral_infection.dm
@@ -8,7 +8,7 @@ datum/event/viral_infection/setup()
 	severity = rand(1, 3)
 
 datum/event/viral_infection/announce()
-	command_alert("Confirmed outbreak of level [severity + rand(0,3)] biohazard aboard [station_name()]. All personnel must contain the outbreak.", "Biohazard Alert")
+	command_alert("Confirmed outbreak of level [severity + rand(2,3)] biohazard aboard [station_name()]. All personnel must contain the outbreak.", "Biohazard Alert")
 	world << sound('sound/AI/outbreak5.ogg')
 
 datum/event/viral_infection/start()
diff --git a/code/modules/events/viral_outbreak.dm b/code/modules/events/viral_outbreak.dm
index 68f47342b1..49fbcdebd6 100644
--- a/code/modules/events/viral_outbreak.dm
+++ b/code/modules/events/viral_outbreak.dm
@@ -8,7 +8,7 @@ datum/event/viral_outbreak/setup()
 	severity = rand(2, 4)
 
 datum/event/viral_outbreak/announce()
-	command_alert("Confirmed outbreak of level [severity + rand(0,6)] biohazard aboard [station_name()]. All personnel must contain the outbreak.", "Biohazard Alert")
+	command_alert("Confirmed outbreak of level [severity + rand(3,5)] biohazard aboard [station_name()]. All personnel must contain the outbreak.", "Biohazard Alert")
 	world << sound('sound/AI/outbreak7.ogg')
 
 datum/event/viral_outbreak/start()