I hate nerfing things :(

code/modules/mob/living/carbon/human/species_types/zombies.dm

@@ -16,7 +16,12 @@
 	disliked_food = NONE
 	liked_food = GROSS | MEAT | RAW
 
-/datum/species/zombie/check_roundstart_eligible()
+/datum/species/zombie/notspaceproof
+	id = "notspaceproofzombie"
+	blacklisted = 0
+	inherent_traits = list(TRAIT_RESISTCOLD,TRAIT_RADIMMUNE,TRAIT_EASYDISMEMBER,TRAIT_LIMBATTACHMENT,TRAIT_NOBREATH,TRAIT_NODEATH,TRAIT_FAKEDEATH)
+
+/datum/species/zombie/notspaceproof/check_roundstart_eligible()
 	if(SSevents.holidays && SSevents.holidays[HALLOWEEN])
 		return TRUE
 	return ..()
@@ -47,7 +52,7 @@
 /datum/species/zombie/infectious/spec_life(mob/living/carbon/C)
 	. = ..()
 	C.a_intent = INTENT_HARM // THE SUFFERING MUST FLOW
-	
+
 	//Zombies never actually die, they just fall down until they regenerate enough to rise back up.
 	//They must be restrained, beheaded or gibbed to stop being a threat.
 	if(regen_cooldown < world.time)
@@ -58,7 +63,7 @@
 		C.adjustToxLoss(-heal_amt)
 	if(!C.InCritical() && prob(4))
 		playsound(C, pick(spooks), 50, TRUE, 10)
-		
+
 //Congrats you somehow died so hard you stopped being a zombie
 /datum/species/zombie/infectious/spec_death(mob/living/carbon/C)
 	. = ..()