diff --git a/modular_ss220/_defines220/code/antagonists.dm b/modular_ss220/_defines220/code/antagonists.dm
index 9ec47589ae1a..b66ec8bd5837 100644
--- a/modular_ss220/_defines220/code/antagonists.dm
+++ b/modular_ss220/_defines220/code/antagonists.dm
@@ -3,4 +3,5 @@
 
 #define VOX_RAID_FREQ 1220
 
+#define BIOHAZARD_TERROR_SPIDERS "Terrors"
 GLOBAL_LIST_EMPTY(raider_spawn)
diff --git a/modular_ss220/events/_events.dme b/modular_ss220/events/_events.dme
index f7491fa48fb4..b4ad5844ad80 100644
--- a/modular_ss220/events/_events.dme
+++ b/modular_ss220/events/_events.dme
@@ -5,3 +5,4 @@
 #include "code/infestation_extended.dm"
 #include "code/christmas.dm"
 #include "code/spider_terror.dm"
+#include "code/SSticker.dm"
diff --git a/modular_ss220/events/code/SSticker.dm b/modular_ss220/events/code/SSticker.dm
new file mode 100644
index 000000000000..57e04d8d90f9
--- /dev/null
+++ b/modular_ss220/events/code/SSticker.dm
@@ -0,0 +1,24 @@
+/datum/controller/subsystem/ticker/any_admin_spawned_mobs(biohazard)
+	switch(biohazard)
+		if(BIOHAZARD_TERROR_SPIDERS)
+			for(var/mob/living/simple_animal/hostile/poison/terror_spider/S in GLOB.ts_spiderlist)
+				if(S.admin_spawned)
+					return TRUE
+	return ..()
+
+/datum/controller/subsystem/ticker/biohazard_count(biohazard)
+	switch(biohazard)
+		if(BIOHAZARD_TERROR_SPIDERS)
+			var/spiders = 0
+			for(var/mob/living/simple_animal/hostile/poison/terror_spider/S in GLOB.ts_spiderlist)
+				if(S.ckey)
+					spiders++
+			return spiders
+	return ..()
+
+/datum/controller/subsystem/ticker/biohazard_active_threat(biohazard)
+	var/modular_count = biohazard_count(biohazard)
+	switch(biohazard)
+		if(BIOHAZARD_TERROR_SPIDERS)
+			return modular_count >= 3
+	return ..()
diff --git a/modular_ss220/events/code/spider_terror.dm b/modular_ss220/events/code/spider_terror.dm
index 689c735dc18b..ae29d01daee2 100644
--- a/modular_ss220/events/code/spider_terror.dm
+++ b/modular_ss220/events/code/spider_terror.dm
@@ -4,7 +4,6 @@
 #define TS_POINTS_PRINCE 30
 #define TS_POINTS_QUEEN 42
 
-
 /datum/event/spider_terror
 	announceWhen = 240
 	var/population_factor = 0.7 // higher - more spawnpoints
@@ -48,7 +47,7 @@
 	spawnpoints += round(population_factor * length(GLOB.clients)) // server population sensitivity
 	log_debug("where is [spawnpoints] available spawnpoints")
 	spawn_terror_spiders(count_spawn_spiders(max_spiders), candidates)
-	SSevents.biohazards_this_round += 1
+	SSevents.biohazards_this_round += BIOHAZARD_TERROR_SPIDERS
 
 /datum/event/spider_terror/proc/count_spawn_spiders(max_spiders)
 	while(spawnpoints >= TS_POINTS_GREEN && spawncount < max_spiders)