diff --git a/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/negative.dm b/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/negative.dm
new file mode 100644
index 0000000000..90d014181e
--- /dev/null
+++ b/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/negative.dm
@@ -0,0 +1,50 @@
+
+/datum/trait/negative/breathes
+	custom_only = FALSE
+	banned_species = list(SPECIES_VOX, SPECIES_SHADEKIN)
+
+/datum/trait/negative/schizophrenia
+	can_take = ORGANICS|SYNTHETICS //synths can't medicate for this, but it stands to reason a lifelike synth could experience hallucination-like bugs
+
+//edits below open certain traits to custom species, based on whether a human(which is not custom) could have that trait
+/datum/trait/negative/less_blood
+	custom_only = FALSE
+	banned_species = list(SPECIES_PROMETHEAN, SPECIES_SHADEKIN, SPECIES_ALRAUNE, SPECIES_TESHARI)
+
+/datum/trait/negative/less_blood_extreme
+	custom_only = FALSE
+	banned_species = list(SPECIES_PROMETHEAN, SPECIES_SHADEKIN, SPECIES_ALRAUNE, SPECIES_TESHARI)
+
+/datum/trait/negative/low_blood_sugar
+	custom_only = FALSE
+
+/datum/trait/negative/agoraphobia
+	custom_only = FALSE
+
+/datum/trait/negative/lonely
+	custom_only = FALSE
+
+/datum/trait/negative/endurance_glass
+	custom_only = FALSE
+	banned_species = list(SPECIES_TESHARI)
+
+/datum/trait/negative/light_sensitivity
+	custom_only = FALSE
+	banned_species = (SPECIES_ZADDAT)
+
+/datum/trait/negative/haemophilia_plus
+	custom_only = FALSE
+	banned_species = list(SPECIES_PROMETHEAN, SPECIES_SHADEKIN, SPECIES_ALRAUNE)
+
+/datum/trait/negative/pain_intolerance_basic
+	custom_only = FALSE
+	can_take = ORGANICS
+	banned_species = list(SPECIES_PROTEAN, SPECIES_DIONA)
+
+/datum/trait/negative/pain_intolerance_advanced
+	custom_only = FALSE
+	can_take = ORGANICS
+	banned_species = list(SPECIES_PROTEAN, SPECIES_DIONA)
+
+/datum/trait/negative/scrawny
+	custom_only = FALSE
diff --git a/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/neutral.dm b/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/neutral.dm
index 5d3e169ad7..d6864d10bc 100644
--- a/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/neutral.dm
+++ b/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/neutral.dm
@@ -37,6 +37,7 @@
 	name = "Egg Laying"
 	desc = "You can lay eggs, much like an avian."
 	cost = 0
+	custom_only = FALSE
 
 /datum/trait/neutral/mobegglaying/apply(var/datum/species/S,var/mob/living/carbon/human/H)
 	..()
@@ -51,3 +52,16 @@
 /datum/trait/neutral/succubus_bite/apply(var/datum/species/S,var/mob/living/carbon/human/H)
 	..()
 	add_verb(H,/mob/living/proc/succubus_bite)
+
+/datum/trait/neutral/hotadapt
+	can_take = ORGANICS | SYNTHETICS //I think synths made for high heat should exist, considering they can be made spaceproof easily anyhow
+	custom_only = FALSE
+	banned_species = (SPECIES_UNATHI)
+
+/datum/trait/neutral/coldadapt
+	custom_only = FALSE
+	banned_species = (SPECIES_UNATHI)
+
+/datum/trait/neutral/abnormal_mind
+	custom_only = FALSE //I see a lot of xenochimera that have this as a trope.
+	can_take = ORGANICS | SYNTHETICS //I see more synths with dual minds than organics!
diff --git a/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/positive.dm b/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/positive.dm
index b10000b7ac..68f487d181 100644
--- a/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/positive.dm
+++ b/modular_chomp/code/modules/mob/living/carbon/human/species/station/traits/positive.dm
@@ -37,3 +37,40 @@
 
 /datum/trait/positive/brute_resist_plus // Equivalent to Brute Weakness Major, cannot be taken at the same time.
 	cost = 3 // Exact Opposite of Brute Weakness Major, except Weakness Major is 50% incoming, this is -40% incoming.
+
+
+//edits below open certain traits to custom species, based on whether a human(which is not custom) could have that trait
+/datum/trait/positive/snowwalker
+	custom_only = FALSE
+
+/datum/trait/positive/throw_resistance
+	custom_only = FALSE
+
+/datum/trait/positive/lowpressureresminor
+	custom_only = FALSE
+	banned_species = list(SPECIES_SHADEKIN)
+
+/datum/trait/positive/highpressureresminor
+	custom_only = FALSE
+	banned_species = list(SPECIES_SHADEKIN)
+
+/datum/trait/positive/pressureres
+	custom_only = FALSE
+	banned_species = list(SPECIES_SHADEKIN)
+
+/datum/trait/positive/more_blood
+	custom_only = FALSE
+	banned_species = list(SPECIES_TESHARI)
+
+/datum/trait/positive/heavyweight
+	custom_only = FALSE
+
+/datum/trait/positive/grappling_expert
+	custom_only = FALSE //I hate this trait, but I can't justify it being a custom only trait in my head
+
+/datum/trait/positive/densebones
+	custom_only = FALSE
+	banned_species = list(SPECIES_UNATHI)
+
+/datum/trait/positive/adrenaline_rush
+	custom_only = FALSE //tbh, if I were to give humans, specifically, any one trait and restrict it from other races, it would be this one
diff --git a/vorestation.dme b/vorestation.dme
index 0adf25f875..29fb9cab8a 100644
--- a/vorestation.dme
+++ b/vorestation.dme
@@ -5402,6 +5402,7 @@
 #include "modular_chomp\code\modules\mob\living\carbon\human\species\station\station_ch.dm"
 #include "modular_chomp\code\modules\mob\living\carbon\human\species\station\station_special_ch.dm"
 #include "modular_chomp\code\modules\mob\living\carbon\human\species\station\teshari.dm"
+#include "modular_chomp\code\modules\mob\living\carbon\human\species\station\traits\negative.dm"
 #include "modular_chomp\code\modules\mob\living\carbon\human\species\station\traits\neutral.dm"
 #include "modular_chomp\code\modules\mob\living\carbon\human\species\station\traits\positive.dm"
 #include "modular_chomp\code\modules\mob\living\carbon\human\species\station\traits\trait_mods.dm"