diff --git a/code/__DEFINES/DNA.dm b/code/__DEFINES/DNA.dm
index dd2ef1cc2b79..9e2a529b385d 100644
--- a/code/__DEFINES/DNA.dm
+++ b/code/__DEFINES/DNA.dm
@@ -12,6 +12,7 @@
 #define MUTATE		/datum/mutation/human/bad_dna
 #define COUGH		/datum/mutation/human/cough
 #define DWARFISM	/datum/mutation/human/dwarfism
+#define GIGANTISM	/datum/mutation/human/gigantism
 #define CLOWNMUT	/datum/mutation/human/clumsy
 #define TOURETTES	/datum/mutation/human/tourettes
 #define DEAFMUT		/datum/mutation/human/deaf
@@ -30,6 +31,7 @@
 #define ELVIS		/datum/mutation/human/elvis
 #define RADIOACTIVE	/datum/mutation/human/radioactive
 #define GLOWY		/datum/mutation/human/glow
+#define ANTIGLOWY	/datum/mutation/human/glow/anti
 #define TELEPATHY	/datum/mutation/human/telepathy
 #define FIREBREATH	/datum/mutation/human/firebreath
 #define VOID		/datum/mutation/human/void
@@ -42,10 +44,15 @@
 #define INSULATED	/datum/mutation/human/insulated
 #define SHOCKTOUCH	/datum/mutation/human/shock
 #define OLFACTION	/datum/mutation/human/olfaction
+#define ACIDFLESH	/datum/mutation/human/acidflesh
+#define BADBLINK	/datum/mutation/human/badblink
+#define SPASTIC		/datum/mutation/human/spastic
+#define EXTRASTUN	/datum/mutation/human/extrastun
 #define GELADIKINESIS		/datum/mutation/human/geladikinesis
 #define CRYOKINESIS /datum/mutation/human/cryokinesis
 
 
+
 #define UI_CHANGED "ui changed"
 #define UE_CHANGED "ue changed"
 
diff --git a/code/datums/mutations/_combined.dm b/code/datums/mutations/_combined.dm
index ea3b5e4a8529..c3643ef8574f 100644
--- a/code/datums/mutations/_combined.dm
+++ b/code/datums/mutations/_combined.dm
@@ -28,3 +28,7 @@
 /datum/generecipe/shock
 	required = "/datum/mutation/human/insulated; /datum/mutation/human/radioactive"
 	result = SHOCKTOUCH
+	
+/datum/generecipe/antiglow
+	required = "/datum/mutatin/human/glow; /datum/mutation/human/void"
+	result = ANTIGLOWY
diff --git a/code/datums/mutations/body.dm b/code/datums/mutations/body.dm
index bc7b00e259cd..b5225f2d9650 100644
--- a/code/datums/mutations/body.dm
+++ b/code/datums/mutations/body.dm
@@ -86,21 +86,20 @@
 	quality = POSITIVE
 	difficulty = 16
 	instability = 5
+	conflicts = list(GIGANTISM)
 	locked = TRUE    // Default intert species for now, so locked from regular pool.
 
 /datum/mutation/human/dwarfism/on_acquiring(mob/living/carbon/human/owner)
 	if(..())
 		return
-	owner.resize = 0.8
-	owner.update_transform()
+	owner.transform = owner.transform.Scale(1, 0.8)
 	owner.pass_flags |= PASSTABLE
 	owner.visible_message("<span class='danger'>[owner] suddenly shrinks!</span>", "<span class='notice'>Everything around you seems to grow..</span>")
 
 /datum/mutation/human/dwarfism/on_losing(mob/living/carbon/human/owner)
 	if(..())
 		return
-	owner.resize = 1.25
-	owner.update_transform()
+	owner.transform = owner.transform.Scale(1, 1.25)
 	owner.pass_flags &= ~PASSTABLE
 	owner.visible_message("<span class='danger'>[owner] suddenly grows!</span>", "<span class='notice'>Everything around you seems to shrink..</span>")
 
@@ -189,23 +188,37 @@
 	text_gain_indication = "<span class='notice'>Your skin begins to glow softly.</span>"
 	instability = 5
 	var/obj/effect/dummy/luminescent_glow/glowth //shamelessly copied from luminescents
-	var/glow = 1.5
+	var/glow = 2.5
+	var/range = 2.5
 	power_coeff = 1
+	conflicts = list(/datum/mutation/human/glow/anti)
 
 /datum/mutation/human/glow/on_acquiring(mob/living/carbon/human/owner)
-	if(..())
+	. = ..()
+	if(.)
 		return
 	glowth = new(owner)
-	glowth.set_light(glow, glow, dna.features["mcolor"])
+	modify()
 
-/datum/mutation/human/glow/modify(mob/living/carbon/human/owner)
-	if(glowth)
-		glowth.set_light(glow + GET_MUTATION_POWER(src) , glow + GET_MUTATION_POWER(src), dna.features["mcolor"])
+/datum/mutation/human/glow/modify()
+	if(!glowth)
+		return
+	var/power = GET_MUTATION_POWER(src)
+	glowth.set_light(range * power, glow * power, dna.features["mcolor"])
 
 /datum/mutation/human/glow/on_losing(mob/living/carbon/human/owner)
-	if(..())
+	. = ..()
+	if(.)
 		return
-	qdel(glowth)
+	QDEL_NULL(glowth)
+
+/datum/mutation/human/glow/anti
+	name = "Anti-Glow"
+	desc = "Your skin seems to attract and absorb nearby light creating 'darkness' around you."
+	text_gain_indication = "<span class='notice'>Your light around you seems to disappear.</span>"
+	glow = -3.5 //Slightly stronger, since negating light tends to be harder than making it.
+	conflicts = list(/datum/mutation/human/glow)
+	locked = TRUE
 
 /datum/mutation/human/strong
 	name = "Strength"
@@ -328,3 +341,37 @@
 	owner.update_transform()
 	owner.visible_message("<span class='danger'>[owner] suddenly shrinks!</span>", "<span class='notice'>Everything around you seems to grow..</span>")
 
+/datum/mutation/human/spastic
+	name = "Spastic"
+	desc = "Subject suffers from muscle spasms."
+	quality = NEGATIVE
+	text_gain_indication = "<span class='warning'>You flinch.</span>"
+	text_lose_indication = "<span class'notice'>Your flinching subsides.</span>"
+	difficulty = 16
+
+/datum/mutation/human/spastic/on_acquiring()
+	if(..())
+		return
+	owner.apply_status_effect(STATUS_EFFECT_SPASMS)
+
+/datum/mutation/human/spastic/on_losing()
+	if(..())
+		return
+	owner.remove_status_effect(STATUS_EFFECT_SPASMS)
+
+/datum/mutation/human/extrastun
+	name = "Two Left Feet"
+	desc = "A mutation that replaces the right foot with another left foot. It makes standing up after getting knocked down very difficult."
+	quality = NEGATIVE
+	text_gain_indication = "<span class='warning'>Your right foot feels... left.</span>"
+	text_lose_indication = "<span class'notice'>Your right foot feels alright.</span>"
+	difficulty = 16
+	var/stun_cooldown = 0
+
+/datum/mutation/human/extrastun/on_life()
+	if(world.time > stun_cooldown)
+		if(owner.AmountKnockdown() || owner.AmountStun())
+			owner.SetKnockdown(owner.AmountKnockdown()*2)
+			owner.SetStun(owner.AmountStun()*2)
+			owner.visible_message("<span class='danger'>[owner] tries to stand up, but trips!</span>", "<span class='userdanger'>You trip over your own feet!</span>")
+			stun_cooldown = world.time + 300
diff --git a/code/game/objects/items/dna_injector.dm b/code/game/objects/items/dna_injector.dm
index 2b91216f8f73..2c5dd40b5bde 100644
--- a/code/game/objects/items/dna_injector.dm
+++ b/code/game/objects/items/dna_injector.dm
@@ -60,11 +60,12 @@
 	log_combat(user, target, "attempted to inject", src)
 
 	if(target != user)
-		target.visible_message("<span class='danger'>[user] is trying to inject [target] with [src]!</span>", "<span class='userdanger'>[user] is trying to inject [target] with [src]!</span>")
+		target.visible_message("<span class='danger'>[user] is trying to inject [target] with [src]!</span>", \
+			"<span class='userdanger'>[user] is trying to inject you with [src]!</span>")
 		if(!do_mob(user, target) || used)
 			return
 		target.visible_message("<span class='danger'>[user] injects [target] with the syringe with [src]!", \
-						"<span class='userdanger'>[user] injects [target] with the syringe with [src]!</span>")
+						"<span class='userdanger'>[user] injects you with the syringe with [src]!</span>")
 
 	else
 		to_chat(user, "<span class='notice'>You inject yourself with [src].</span>")
@@ -88,6 +89,11 @@
 	name = "\improper DNA injector (Hulk)"
 	desc = "This will make you big and strong, but give you a bad skin condition."
 	add_mutations = list(HULK)
+	
+/obj/item/dnainjector/firebreath
+	name = "\improper DNA injector (Fire Breath)"
+	desc = "Restores the dragon ancestry."
+	add_mutations = list(FIREBREATH)
 
 /obj/item/dnainjector/xraymut
 	name = "\improper DNA injector (X-ray)"
@@ -98,7 +104,7 @@
 	name = "\improper DNA injector (Anti-X-ray)"
 	desc = "It will make you see harder."
 	remove_mutations = list(XRAY)
-	
+
 /////////////////////////////////////
 /obj/item/dnainjector/antiglasses
 	name = "\improper DNA injector (Anti-Glasses)"
@@ -164,11 +170,6 @@
 	name = "\improper DNA injector (Stutt.)"
 	desc = "Makes you s-s-stuttterrr."
 	add_mutations = list(NERVOUS)
-	
-	/obj/item/dnainjector/firebreath
-	name = "\improper DNA injector (Fire Breath)"
-	desc = "Restores the dragon ancestry."
-	add_mutations = list(FIREBREATH)
 
 /obj/item/dnainjector/antistutt
 	name = "\improper DNA injector (Anti-Stutt.)"
@@ -364,10 +365,50 @@
 	name = "\improper DNA injector (Anti-Shock Touch)"
 	remove_mutations = list(SHOCKTOUCH)
 
+/obj/item/dnainjector/spacialinstability
+	name = "\improper DNA injector (Spacial Instability)"
+	add_mutations = list(BADBLINK)
+
+/obj/item/dnainjector/antispacialinstability
+	name = "\improper DNA injector (Anti-Spacial Instability)"
+	remove_mutations = list(BADBLINK)
+
+/obj/item/dnainjector/acidflesh
+	name = "\improper DNA injector (Acid Flesh)"
+	add_mutations = list(ACIDFLESH)
+
+/obj/item/dnainjector/antiacidflesh
+	name = "\improper DNA injector (Acid Flesh)"
+	remove_mutations = list(ACIDFLESH)
+
+/obj/item/dnainjector/gigantism
+	name = "\improper DNA injector (Gigantism)"
+	add_mutations = list(GIGANTISM)
+
+/obj/item/dnainjector/antigigantism
+	name = "\improper DNA injector (Anti-Gigantism)"
+	remove_mutations = list(GIGANTISM)
+
+/obj/item/dnainjector/spastic
+	name = "\improper DNA injector (Spastic)"
+	add_mutations = list(SPASTIC)
+
+/obj/item/dnainjector/antispastic
+	name = "\improper DNA injector (Anti-Spastic)"
+	remove_mutations = list(SPASTIC)
+
+/obj/item/dnainjector/twoleftfeet
+	name = "\improper DNA injector (Two Left Feet)"
+	add_mutations = list(EXTRASTUN)
+
+/obj/item/dnainjector/antitwoleftfeet
+	name = "\improper DNA injector (Anti-Two Left Feet)"
+	remove_mutations = list(EXTRASTUN)
+
 /obj/item/dnainjector/geladikinesis
 	name = "\improper DNA injector (Geladikinesis)"
 	add_mutations = list(GELADIKINESIS)
-	
+
 /obj/item/dnainjector/antigeladikinesis
 	name = "\improper DNA injector (Anti-Geladikinesis)"
 	remove_mutations = list(GELADIKINESIS)
@@ -388,6 +429,22 @@
 	name = "\improper DNA injector (Anti-Thermal Vision)"
 	remove_mutations = list(THERMAL)
 
+/obj/item/dnainjector/glow
+	name = "\improper DNA injector (Glowy)"
+	add_mutations = list(GLOWY)
+
+/obj/item/dnainjector/removeglow
+	name = "\improper DNA injector (Anti-Glowy)"
+	remove_mutations = list(GLOWY)
+
+/obj/item/dnainjector/antiglow
+	name = "\improper DNA injector (Antiglowy)"
+	add_mutations = list(ANTIGLOWY)
+
+/obj/item/dnainjector/removeantiglow
+	name = "\improper DNA injector (Anti-Antiglowy)"
+	remove_mutations = list(ANTIGLOWY)
+
 /obj/item/dnainjector/timed
 	var/duration = 600
 
@@ -480,4 +537,3 @@
 		log_attack("[log_msg] [loc_name(user)]")
 		return TRUE
 	return FALSE
-