diff --git a/code/_onclick/other_mobs.dm b/code/_onclick/other_mobs.dm
index d6ed808461b..46cbbab20f3 100644
--- a/code/_onclick/other_mobs.dm
+++ b/code/_onclick/other_mobs.dm
@@ -81,8 +81,7 @@
 			O.show_message("<span class='danger'>[name] bites [ML]!</span>", 1)
 		if(armor >= 2) return
 		for(var/datum/disease/D in viruses)
-			if(istype(D, /datum/disease/jungle_fever))
-				ML.contract_disease(D,1,0)
+			ML.contract_disease(D,1,0)
 	else
 		for(var/mob/O in viewers(ML, null))
 			O.show_message("\red <B>[src] has attempted to bite [ML]!</B>", 1)
diff --git a/code/datums/diseases/jungle_fever.dm b/code/datums/diseases/jungle_fever.dm
deleted file mode 100644
index dba0c5f4a4f..00000000000
--- a/code/datums/diseases/jungle_fever.dm
+++ /dev/null
@@ -1,12 +0,0 @@
-/datum/disease/jungle_fever
-	name = "Jungle Fever"
-	max_stages = 1
-	cure = "None"
-	spread = "Bites"
-	spread_type = SPECIAL
-	affected_species = list("Monkey", "Human")
-	curable = 0
-	desc = "monkeys with this disease will bite humans, causing humans to spontaneously mutate into a monkey."
-	severity = "Medium"
-	//stage_prob = 100
-	agent = "Kongey Vibrion M-909"
diff --git a/code/datums/diseases/transformation.dm b/code/datums/diseases/transformation.dm
index 8749abed60d..b4079e34b63 100644
--- a/code/datums/diseases/transformation.dm
+++ b/code/datums/diseases/transformation.dm
@@ -21,48 +21,97 @@
 	..()
 	switch(stage)
 		if(1)
-			if (prob(10) && stage1)
+			if (prob(stage_prob) && stage1)
 				affected_mob << pick(stage1)
 		if(2)
-			if (prob(10) && stage2)
+			if (prob(stage_prob) && stage2)
 				affected_mob << pick(stage2)
 		if(3)
-			if (prob(20) && stage3)
+			if (prob(stage_prob*2) && stage3)
 				affected_mob << pick(stage3)
 		if(4)
-			if (prob(20) && stage4)
+			if (prob(stage_prob*2) && stage4)
 				affected_mob << pick(stage4)
 		if(5)
-			if(istype(affected_mob, /mob/living/carbon) && affected_mob.stat != DEAD)
-				if(stage5)
-					affected_mob << pick(stage5)
-				if(jobban_isbanned(affected_mob, new_form))
-					affected_mob.death(1)
-					return
-				if(affected_mob.notransform)	return
-				affected_mob.notransform = 1
-				affected_mob.canmove = 0
-				affected_mob.icon = null
-				affected_mob.overlays.Cut()
-				affected_mob.invisibility = 101
-				for(var/obj/item/W in affected_mob)
-					if(istype(W, /obj/item/weapon/implant))
-						qdel(W)
-						continue
-					W.layer = initial(W.layer)
-					W.loc = affected_mob.loc
-					W.dropped(affected_mob)
-				var/mob/living/new_mob = new new_form(affected_mob.loc)
-				if(istype(new_mob))
-					new_mob.a_intent = "harm"
-					new_mob.universal_speak = 1
-					if(affected_mob.mind)
-						affected_mob.mind.transfer_to(new_mob)
-					else
-						new_mob.key = affected_mob.key
+			do_disease_transformation(affected_mob)
+
+/datum/disease/transformation/proc/do_disease_transformation(var/mob/living/affected_mob)
+	if(istype(affected_mob, /mob/living/carbon) && affected_mob.stat != DEAD)
+		if(stage5)
+			affected_mob << pick(stage5)
+		if(jobban_isbanned(affected_mob, new_form))
+			affected_mob.death(1)
+			return
+		if(affected_mob.notransform)	return
+		affected_mob.notransform = 1
+		affected_mob.canmove = 0
+		affected_mob.icon = null
+		affected_mob.overlays.Cut()
+		affected_mob.invisibility = 101
+		for(var/obj/item/W in affected_mob)
+			if(istype(W, /obj/item/weapon/implant))
+				qdel(W)
+				continue
+			W.layer = initial(W.layer)
+			W.loc = affected_mob.loc
+			W.dropped(affected_mob)
+		var/mob/living/new_mob = new new_form(affected_mob.loc)
+		if(istype(new_mob))
+			new_mob.a_intent = "harm"
+			new_mob.universal_speak = 1
+			if(affected_mob.mind)
+				affected_mob.mind.transfer_to(new_mob)
+			else
+				new_mob.key = affected_mob.key
 				qdel(affected_mob)
 
 
+
+/datum/disease/transformation/jungle_fever
+	name = "Jungle Fever"
+	cure = "Bananas"
+	cure_id = "banana"
+	spread = "Bites"
+	spread_type = SPECIAL
+	affected_species = list("Monkey", "Human")
+	permeability_mod = 1
+	cure_chance = 1
+	curable = 0
+	longevity = 30
+	desc = "Monkeys with this disease will bite humans, causing humans to mutate into a monkey."
+	severity = "Major"
+	hidden = list(0, 0)//Not hidden, with the exception of the starting ape.
+	stage_prob = 4
+	agent = "Kongey Vibrion M-909"
+	new_form = /mob/living/carbon/monkey
+
+	stage1	= list("")
+	stage2	= list("")
+	stage3	= list("")
+	stage4	= list("<span class='warning'>Your back hurts.</span>", "<span class='warning'>You breathe through your mouth.</span>",
+					"<span class='warning'>You have a craving for bananas.</span>", "<span class='warning'>Your mind feels clouded.</span>")
+	stage5	= list("<span class='warning'>You feel like monkeying around.</span>")
+
+/datum/disease/transformation/jungle_fever/do_disease_transformation(var/mob/living/carbon/affected_mob)
+	if(!ismonkey(affected_mob))
+		affected_mob.monkeyize(TR_KEEPITEMS | TR_KEEPIMPLANTS | TR_KEEPDAMAGE | TR_KEEPVIRUS | TR_KEEPSE)
+
+/datum/disease/transformation/jungle_fever/stage_act()
+	..()
+	switch(stage)
+		if(2)
+			affected_mob << "<span class='notice'>Your [pick("back", "arm", "leg", "elbow", "head")] itches.</span>"
+		if(3)
+			if (prob(8))
+				affected_mob.say(pick("Eek?", "Ook ook."))
+			if (prob(4))
+				affected_mob << "<span class='danger'>You feel a stabbing pain in your head.</span>"
+				affected_mob.Paralyse(2)
+		if(4)
+			if (prob(20))
+				affected_mob.say(pick("Eeek, ook ook!", "Eee-eeek!", "Eeee!", "Ungh, ungh."))
+
+
 /datum/disease/transformation/robot
 
 	name = "Robotic Transformation"
@@ -86,7 +135,7 @@
 			if (prob(8))
 				affected_mob.say(pick("Beep, boop", "beep, beep!", "Boop...bop"))
 			if (prob(4))
-				affected_mob << "\red You feel a stabbing pain in your head."
+				affected_mob << "<span class='danger'>You feel a stabbing pain in your head.</span>"
 				affected_mob.Paralyse(2)
 		if(4)
 			if (prob(20))
@@ -113,7 +162,7 @@
 	switch(stage)
 		if(3)
 			if (prob(4))
-				affected_mob << "\red You feel a stabbing pain in your head."
+				affected_mob << "<span class='danger'>You feel a stabbing pain in your head.</span>"
 				affected_mob.Paralyse(2)
 		if(4)
 			if (prob(20))
diff --git a/code/datums/mind.dm b/code/datums/mind.dm
index 1e2f7d20e0e..16700334986 100644
--- a/code/datums/mind.dm
+++ b/code/datums/mind.dm
@@ -249,7 +249,7 @@ datum/mind
 			else if (istype(current, /mob/living/carbon/monkey))
 				var/found = 0
 				for(var/datum/disease/D in current.viruses)
-					if(istype(D, /datum/disease/jungle_fever)) found = 1
+					if(istype(D, /datum/disease/transformation/jungle_fever)) found = 1
 
 				if(found)
 					text += "<a href='?src=\ref[src];monkey=healthy'>healthy</a>|<b>INFECTED</b>|<a href='?src=\ref[src];monkey=human'>human</a>|other"
@@ -799,16 +799,16 @@ datum/mind
 							src = null
 							M = H.monkeyize()
 							src = M.mind
-							current.contract_disease(new /datum/disease/jungle_fever,1,0)
+							current.contract_disease(new /datum/disease/transformation/jungle_fever,1,0)
 						else if (istype(M))
-							current.contract_disease(new /datum/disease/jungle_fever,1,0)
+							current.contract_disease(new /datum/disease/transformation/jungle_fever,1,0)
 				if("human")
 					if (check_rights(R_ADMIN, 0))
 						var/mob/living/carbon/human/H = current
 						var/mob/living/carbon/monkey/M = current
 						if (istype(M))
 							for(var/datum/disease/D in M.viruses)
-								if (istype(D,/datum/disease/jungle_fever))
+								if (istype(D,/datum/disease/transformation/jungle_fever))
 									D.cure(0)
 									sleep(0) //because deleting of virus is doing throught spawn(0)
 							log_admin("[key_name(usr)] attempting to humanize [key_name(current)]")
diff --git a/code/game/gamemodes/monkey/monkey.dm b/code/game/gamemodes/monkey/monkey.dm
new file mode 100644
index 00000000000..ef737a86621
--- /dev/null
+++ b/code/game/gamemodes/monkey/monkey.dm
@@ -0,0 +1,85 @@
+/datum/game_mode/monkey
+	name = "monkey"
+	config_tag = "monkey"
+	antag_flag = BE_REV
+
+	required_players = 20
+	required_enemies = 1
+	recommended_enemies = 1
+
+	restricted_jobs = list("Cyborg", "AI")
+
+	var/const/waittime_l = 600 //lower bound on time before intercept arrives (in tenths of seconds)
+	var/const/waittime_h = 1800 //upper bound on time before intercept arrives (in tenths of seconds)
+
+	var/carriers_to_make = 1
+	var/list/carriers = list()
+
+	var/monkeys_to_win = 0
+	var/escaped_monkies = 0
+
+	var/players_per_carrier = 30
+
+
+/datum/game_mode/monkey/pre_setup()
+	carriers_to_make = max(round(num_players()/players_per_carrier, 1), 1)
+	for(var/datum/mind/player in antag_candidates)
+		for(var/job in restricted_jobs)//Removing robots from the list
+			if(player.assigned_role == job)
+				antag_candidates -= player
+	for(var/j = 0, j < carriers, j++)
+		if (!antag_candidates.len)
+			break
+		var/datum/mind/carrier = pick(antag_candidates)
+		carriers += carrier
+		carrier.special_role = "monkey"
+		log_game("[carrier.key] (ckey) has been selected as a Jungle Fever carrier")
+		antag_candidates -= carrier
+	if(!carriers.len)
+		return 0
+	return 1
+
+
+/datum/game_mode/monkey/announce()
+	world << "<B>The current game mode is - Monkey!</B>"
+	world << "<B>One or more crewmembers have been infected with Jungle Fever! Crew: Contain the outbreak. None of the infected monkeys may escape alive to Centcom. \
+				Monkeys: Ensure that your kind lives on! Rise up against your captors!</B>"
+
+
+/datum/game_mode/monkey/proc/greet_carrier(var/datum/mind/carrier)
+	carrier.current << "<B><span class = 'notice'>You are infected by the Jungle Fever patient zero!!</B>"
+	carrier.current << "<b>You have been planted onto this station by the Animal Rights Consortium.</b>"
+	carrier.current << "<b>Soon the disease will transform you into an ape. Afterwards, you will be able spread the infection to others with a bite.</b>"
+	carrier.current << "<b>While your infection is undetectable, any other infectees will show up on medical equipment.</b>"
+	carrier.current << "<b>Your mission will be deemed a success if any of the live infected monkeys reach Centcom.</b>"
+	return
+
+/datum/game_mode/monkey/post_setup()
+	for(var/datum/mind/carriermind in carriers)
+		greet_carrier(carriermind)
+		var/datum/disease/transformation/jungle_fever/J = new /datum/disease/transformation/jungle_fever
+		J.hidden = list(1, 1)//Starting disease is hidden from medical equipment
+		carriermind.current.contract_disease(J, 1, 0)
+	..()
+
+/datum/game_mode/monkey/proc/check_monkey_victory()
+	for(var/mob/living/carbon/monkey/M in living_mob_list)
+		if (M.has_disease(/datum/disease/transformation/jungle_fever))
+			var/area/A = get_area(M)
+			if(is_type_in_list(A, centcom_areas))
+				escaped_monkies++
+	if(escaped_monkies >= monkeys_to_win)
+		return 0
+	else
+		return 1
+
+
+/datum/game_mode/monkey/declare_completion()
+	if(!check_monkey_victory())
+		feedback_set_details("round_end_result","win - monkey win")
+		feedback_set("round_end_result",escaped_monkies)
+		world << "\red <FONT size = 3><B> The monkies have overthrown their captors! Eeek eeeek!!</B></FONT>"
+	else
+		feedback_set_details("round_end_result","loss - staff stopped the monkies")
+		feedback_set("round_end_result",escaped_monkies)
+		world << "\red <FONT size = 3><B> The staff managed to contain the monkey infestation!</B></FONT>"
diff --git a/code/game/objects/effects/gibs.dm b/code/game/objects/effects/gibs.dm
index 5f0f77e17aa..e8ffb118201 100644
--- a/code/game/objects/effects/gibs.dm
+++ b/code/game/objects/effects/gibs.dm
@@ -58,7 +58,7 @@
 						gib.blood_DNA[MobDNA.unique_enzymes] = MobDNA.blood_type
 					else if(istype(src, /obj/effect/gibspawner/xeno))
 						gib.blood_DNA["UNKNOWN DNA"] = "X*"
-					else if(istype(src, /obj/effect/gibspawner/human)) // Probably a monkey
+					else if(istype(src, /obj/effect/gibspawner/generic)) // Probably a monkey
 						gib.blood_DNA["Non-human DNA"] = "A+"
 					var/list/directions = gibdirections[i]
 					if(istype(loc,/turf))
diff --git a/code/modules/mob/living/carbon/human/human_attackpaw.dm b/code/modules/mob/living/carbon/human/human_attackpaw.dm
index 9109084194f..17d1e721587 100644
--- a/code/modules/mob/living/carbon/human/human_attackpaw.dm
+++ b/code/modules/mob/living/carbon/human/human_attackpaw.dm
@@ -15,9 +15,5 @@
 		apply_damage(damage, BRUTE, affecting, run_armor_check(affecting, "melee"))
 
 		for(var/datum/disease/D in M.viruses)
-			if(istype(D, /datum/disease/jungle_fever))
-				var/mob/living/carbon/human/H = src
-				if(src.stat != 2)
-					H.monkeyize(TR_KEEPITEMS | TR_KEEPIMPLANTS | TR_KEEPDAMAGE | TR_KEEPVIRUS | TR_KEEPSE)
-					contract_disease(D,1,0)
+			contract_disease(D,1,0)
 	return
diff --git a/code/modules/mob/living/carbon/monkey/monkey.dm b/code/modules/mob/living/carbon/monkey/monkey.dm
index 7938cea3365..bce977b3ecc 100644
--- a/code/modules/mob/living/carbon/monkey/monkey.dm
+++ b/code/modules/mob/living/carbon/monkey/monkey.dm
@@ -83,8 +83,7 @@
 				adjustBruteLoss(damage)
 				health = 100 - getOxyLoss() - getToxLoss() - getFireLoss() - getBruteLoss()
 				for(var/datum/disease/D in M.viruses)
-					if(istype(D, /datum/disease/jungle_fever))
-						contract_disease(D,1,0)
+					contract_disease(D,1,0)
 			else
 				visible_message("<span class='danger'>[M.name] has attempted to bite [name]!</span>", \
 						"<span class='userdanger'>[M.name] has attempted to bite [name]!</span>")
diff --git a/code/modules/mob/mob_helpers.dm b/code/modules/mob/mob_helpers.dm
index 25d81d559cb..16aabeec14c 100644
--- a/code/modules/mob/mob_helpers.dm
+++ b/code/modules/mob/mob_helpers.dm
@@ -408,7 +408,7 @@ proc/is_special_character(mob/M) // returns 1 for special characters and 2 for h
 				if(M.mind in ticker.mode.wizards)
 					return 2
 			if("monkey")
-				if(M.viruses && (locate(/datum/disease/jungle_fever) in M.viruses))
+				if(M.viruses && (locate(/datum/disease/transformation/jungle_fever) in M.viruses))
 					return 2
 		return 1
 	return 0
diff --git a/tgstation.dme b/tgstation.dme
index c01bdc15e3a..122af9afb85 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -136,7 +136,6 @@
 #include "code\datums\diseases\flu.dm"
 #include "code\datums\diseases\fluspanish.dm"
 #include "code\datums\diseases\gbs.dm"
-#include "code\datums\diseases\jungle_fever.dm"
 #include "code\datums\diseases\magnitis.dm"
 #include "code\datums\diseases\pierrot_throat.dm"
 #include "code\datums\diseases\plasmatoid.dm"
@@ -280,6 +279,7 @@
 #include "code\game\gamemodes\malfunction\malfunction.dm"
 #include "code\game\gamemodes\meteor\meteor.dm"
 #include "code\game\gamemodes\meteor\meteors.dm"
+#include "code\game\gamemodes\monkey\monkey.dm"
 #include "code\game\gamemodes\nuclear\nuclear.dm"
 #include "code\game\gamemodes\nuclear\nuclearbomb.dm"
 #include "code\game\gamemodes\nuclear\pinpointer.dm"