diff --git a/code/__DEFINES/misc.dm b/code/__DEFINES/misc.dm
index fab1bae9525..a6ad2311974 100644
--- a/code/__DEFINES/misc.dm
+++ b/code/__DEFINES/misc.dm
@@ -163,6 +163,9 @@
 #define MOB_SIZE_HUMAN 2
 #define MOB_SIZE_LARGE 3
 
+//Slime evolution threshold. Controls how fast slimes can split/grow
+#define SLIME_EVOLUTION_THRESHOLD 10
+
 //singularity defines
 #define STAGE_ONE 1
 #define STAGE_TWO 3
diff --git a/code/game/objects/items/devices/scanners.dm b/code/game/objects/items/devices/scanners.dm
index 268440117f7..32fdb40f65b 100644
--- a/code/game/objects/items/devices/scanners.dm
+++ b/code/game/objects/items/devices/scanners.dm
@@ -49,9 +49,9 @@ MASS SPECTROMETER
 
 			if(O.level != 1)
 				continue
-			
+
 			var/mob/living/L = locate() in O
-			
+
 			if(O.invisibility == 101)
 				O.invisibility = 0
 				if(L)
@@ -417,4 +417,4 @@ MASS SPECTROMETER
 			user.show_message("Genetic destability: [T.mutation_chance] % chance of mutation on splitting", 1)
 	if (T.cores > 1)
 		user.show_message("Anomalious slime core amount detected", 1)
-	user.show_message("Growth progress: [T.amount_grown]/10", 1)
+	user.show_message("Growth progress: [T.amount_grown]/[SLIME_EVOLUTION_THRESHOLD]", 1)
diff --git a/code/modules/mob/living/carbon/human/species_types.dm b/code/modules/mob/living/carbon/human/species_types.dm
index 2f6ba8c8448..f85a5bc340d 100644
--- a/code/modules/mob/living/carbon/human/species_types.dm
+++ b/code/modules/mob/living/carbon/human/species_types.dm
@@ -262,7 +262,7 @@ datum/species/human/spec_death(gibbed, mob/living/carbon/human/H)
 /datum/action/innate/split_body
 	name = "Split Body"
 	check_flags = AB_CHECK_ALIVE
-	button_icon_state = "split"
+	button_icon_state = "slimesplit"
 	background_icon_state = "bg_alien"
 
 /datum/action/innate/split_body/CheckRemoval()
diff --git a/code/modules/mob/living/simple_animal/slime/death.dm b/code/modules/mob/living/simple_animal/slime/death.dm
index fe93264aca9..31542c8051c 100644
--- a/code/modules/mob/living/simple_animal/slime/death.dm
+++ b/code/modules/mob/living/simple_animal/slime/death.dm
@@ -9,6 +9,8 @@
 			M.regenerate_icons()
 			is_adult = 0
 			maxHealth = 150
+			var/datum/action/innate/slime/evolve/E = new
+			E.Grant(src)
 			revive()
 			regenerate_icons()
 			number = rand(1, 1000)
@@ -39,4 +41,4 @@
 	for(var/obj/machinery/computer/camera_advanced/xenobio/X in machines)
 		if(src in X.stored_slimes)
 			X.stored_slimes -= src
-	return ..()
\ No newline at end of file
+	return ..()
diff --git a/code/modules/mob/living/simple_animal/slime/life.dm b/code/modules/mob/living/simple_animal/slime/life.dm
index f65100a6d64..1774f2e592d 100644
--- a/code/modules/mob/living/simple_animal/slime/life.dm
+++ b/code/modules/mob/living/simple_animal/slime/life.dm
@@ -222,11 +222,11 @@
 		if(prob(75))
 			adjustBruteLoss(rand(0,5))
 
-	else if (nutrition >= get_grow_nutrition() && amount_grown < 10)
+	else if (nutrition >= get_grow_nutrition() && amount_grown < SLIME_EVOLUTION_THRESHOLD)
 		nutrition -= 20
 		amount_grown++
 
-	if(amount_grown >= 10 && !buckled && !Target && !ckey)
+	if(amount_grown >= SLIME_EVOLUTION_THRESHOLD && !buckled && !Target && !ckey)
 		if(is_adult)
 			Reproduce()
 		else
diff --git a/code/modules/mob/living/simple_animal/slime/powers.dm b/code/modules/mob/living/simple_animal/slime/powers.dm
index bc64b2168c2..286b63ad9d1 100644
--- a/code/modules/mob/living/simple_animal/slime/powers.dm
+++ b/code/modules/mob/living/simple_animal/slime/powers.dm
@@ -1,3 +1,36 @@
+#define SIZE_DOESNT_MATTER 	-1
+#define BABIES_ONLY			0
+#define ADULTS_ONLY			1
+
+#define NO_GROWTH_NEEDED	0
+#define GROWTH_NEEDED		1
+
+/datum/action/innate/slime
+	check_flags = AB_CHECK_ALIVE
+	background_icon_state = "bg_alien"
+	var/adult_action = SIZE_DOESNT_MATTER
+	var/needs_growth = NO_GROWTH_NEEDED
+
+/datum/action/innate/slime/CheckRemoval()
+	if(!isslime(owner))
+		return 1
+	var/mob/living/simple_animal/slime/S = owner
+	if(adult_action != SIZE_DOESNT_MATTER)
+		if(adult_action == ADULTS_ONLY && !S.is_adult)
+			return 1
+		else if(adult_action == BABIES_ONLY && S.is_adult)
+			return 1
+	return 0
+
+/datum/action/innate/slime/IsAvailable()
+	if(..())
+		var/mob/living/simple_animal/slime/S = owner
+		if(needs_growth == GROWTH_NEEDED)
+			if(S.amount_grown >= SLIME_EVOLUTION_THRESHOLD)
+				return 1
+			return 0
+		return 1
+
 /mob/living/simple_animal/slime/verb/Feed()
 	set category = "Slime"
 	set desc = "This will let you feed on any valid creature in the surrounding area. This should also be used to halt the feeding process."
@@ -16,6 +49,15 @@
 		Feedon(M)
 		return 1
 
+/datum/action/innate/slime/feed
+	name = "Feed"
+	button_icon_state = "slimeeat"
+
+
+/datum/action/innate/slime/feed/Activate()
+	var/mob/living/simple_animal/slime/S = owner
+	S.Feed()
+
 /mob/living/simple_animal/slime/proc/CanFeedon(mob/living/M)
 	if(!Adjacent(M))
 		return 0
@@ -68,7 +110,7 @@
 		src << "<i>I must be conscious to do this...</i>"
 		return
 	if(!is_adult)
-		if(amount_grown >= 10)
+		if(amount_grown >= SLIME_EVOLUTION_THRESHOLD)
 			is_adult = 1
 			maxHealth = 200
 			amount_grown = 0
@@ -79,6 +121,19 @@
 	else
 		src << "<i>I have already evolved...</i>"
 
+/datum/action/innate/slime/evolve
+	name = "Evolve"
+	button_icon_state = "slimegrow"
+	adult_action = BABIES_ONLY
+	needs_growth = GROWTH_NEEDED
+
+/datum/action/innate/slime/evolve/Activate()
+	var/mob/living/simple_animal/slime/S = owner
+	S.Evolve()
+	if(S.is_adult)
+		var/datum/action/innate/slime/reproduce/A = new
+		A.Grant(S)
+
 /mob/living/simple_animal/slime/verb/Reproduce()
 	set category = "Slime"
 	set desc = "This will make you split into four Slimes."
@@ -88,7 +143,7 @@
 		return
 
 	if(is_adult)
-		if(amount_grown >= 10)
+		if(amount_grown >= SLIME_EVOLUTION_THRESHOLD)
 			if(stat)
 				src << "<i>I must be conscious to do this...</i>"
 				return
@@ -123,4 +178,14 @@
 		else
 			src << "<i>I am not ready to reproduce yet...</i>"
 	else
-		src << "<i>I am not old enough to reproduce yet...</i>"
\ No newline at end of file
+		src << "<i>I am not old enough to reproduce yet...</i>"
+
+/datum/action/innate/slime/reproduce
+	name = "Reproduce"
+	button_icon_state = "slimesplit"
+	adult_action = ADULTS_ONLY
+	needs_growth = GROWTH_NEEDED
+
+/datum/action/innate/slime/reproduce/Activate()
+	var/mob/living/simple_animal/slime/S = owner
+	S.Reproduce()
diff --git a/code/modules/mob/living/simple_animal/slime/slime.dm b/code/modules/mob/living/simple_animal/slime/slime.dm
index a9d13772d0b..02b052d8263 100644
--- a/code/modules/mob/living/simple_animal/slime/slime.dm
+++ b/code/modules/mob/living/simple_animal/slime/slime.dm
@@ -70,9 +70,16 @@
 	var/list/slime_mutation[4]
 
 /mob/living/simple_animal/slime/New()
+	var/datum/action/innate/slime/feed/F = new
+	F.Grant(src)
 	if(is_adult)
+		var/datum/action/innate/slime/reproduce/R = new
+		R.Grant(src)
 		health = 200
 		maxHealth = 200
+	else
+		var/datum/action/innate/slime/evolve/E = new
+		E.Grant(src)
 	create_reagents(100)
 	spawn (0)
 		number = rand(1, 1000)
@@ -149,7 +156,7 @@
 
 		if(!docile)
 			stat(null, "Nutrition: [nutrition]/[get_max_nutrition()]")
-		if(amount_grown >= 10)
+		if(amount_grown >= SLIME_EVOLUTION_THRESHOLD)
 			if(is_adult)
 				stat(null, "You can reproduce!")
 			else
diff --git a/icons/mob/actions.dmi b/icons/mob/actions.dmi
index 57f3f6ce40b..08410947b16 100644
Binary files a/icons/mob/actions.dmi and b/icons/mob/actions.dmi differ