diff --git a/code/game/machinery/cryo.dm b/code/game/machinery/cryo.dm
index 32543822b99..7d10bd9a6fa 100644
--- a/code/game/machinery/cryo.dm
+++ b/code/game/machinery/cryo.dm
@@ -288,6 +288,7 @@
 		M.client.eye = src
 	M.stop_pulling()
 	M.loc = src
+	M.ExtinguishMob()
 	if(M.health > -100 && (M.health < 0 || M.sleeping))
 		M << "\blue <b>You feel a cold liquid surround you. Your skin starts to freeze up.</b>"
 	occupant = M
diff --git a/code/game/objects/items/weapons/cigs_lighters.dm b/code/game/objects/items/weapons/cigs_lighters.dm
index fb51d83c14d..337c1117997 100644
--- a/code/game/objects/items/weapons/cigs_lighters.dm
+++ b/code/game/objects/items/weapons/cigs_lighters.dm
@@ -31,6 +31,9 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 	attack_verb = list("burnt", "singed")
 
 /obj/item/weapon/flame/match/process()
+	if(isliving(loc))
+		var/mob/living/M = loc
+		M.IgniteMob()
 	var/turf/location = get_turf(src)
 	smoketime--
 	if(smoketime < 1)
@@ -162,6 +165,9 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 
 
 /obj/item/clothing/mask/cigarette/process()
+	if(isliving(loc))
+		var/mob/living/M = loc
+		M.IgniteMob()
 	var/turf/location = get_turf(src)
 	smoketime--
 	if(smoketime < 1)
@@ -444,6 +450,7 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 /obj/item/weapon/flame/lighter/attack(mob/living/carbon/M as mob, mob/living/carbon/user as mob)
 	if(!istype(M, /mob))
 		return
+	M.IgniteMob()
 
 	if(istype(M.wear_mask, /obj/item/clothing/mask/cigarette) && user.zone_sel.selecting == "mouth" && lit)
 		var/obj/item/clothing/mask/cigarette/cig = M.wear_mask
diff --git a/code/game/objects/items/weapons/extinguisher.dm b/code/game/objects/items/weapons/extinguisher.dm
index 7264b11fe1c..800f47773c0 100644
--- a/code/game/objects/items/weapons/extinguisher.dm
+++ b/code/game/objects/items/weapons/extinguisher.dm
@@ -13,7 +13,7 @@
 	force = 10.0
 	matter = list("metal" = 90)
 	attack_verb = list("slammed", "whacked", "bashed", "thunked", "battered", "bludgeoned", "thrashed")
-	
+
 	var/spray_particles = 6
 	var/spray_amount = 2	//units of liquid per particle
 	var/max_water = 120
@@ -123,7 +123,7 @@
 				R.my_atom = W
 				if(!W || !src) return
 				src.reagents.trans_to(W, spray_amount)
-			
+
 				for(var/b=0, b<5, b++)
 					step_towards(W,my_target)
 					if(!W || !W.reagents) return
@@ -134,6 +134,9 @@
 						if(!W.reagents)
 							break
 						W.reagents.reaction(atm)
+						if(isliving(atm)) //For extinguishing mobs on fire
+							var/mob/living/M = atm
+							M.ExtinguishMob()
 					if(W.loc == my_target) break
 					sleep(2)
 				W.delete()
diff --git a/code/game/objects/items/weapons/tools.dm b/code/game/objects/items/weapons/tools.dm
index d3f797e2f03..ee56415be77 100644
--- a/code/game/objects/items/weapons/tools.dm
+++ b/code/game/objects/items/weapons/tools.dm
@@ -261,6 +261,9 @@
 	if (src.welding)
 		remove_fuel(1)
 		var/turf/location = get_turf(user)
+		if(isliving(O))
+			var/mob/living/L = O
+			L.IgniteMob()
 		if (istype(location, /turf))
 			location.hotspot_expose(700, 50, 1)
 	return
diff --git a/code/game/objects/structures/watercloset.dm b/code/game/objects/structures/watercloset.dm
index 33235ae124b..e77f1e602ca 100644
--- a/code/game/objects/structures/watercloset.dm
+++ b/code/game/objects/structures/watercloset.dm
@@ -211,6 +211,11 @@
 /obj/machinery/shower/proc/wash(atom/movable/O as obj|mob)
 	if(!on) return
 
+	if(isliving(O))
+		var/mob/living/L = O
+		L.ExtinguishMob()
+		L.fire_stacks = -20 //Douse ourselves with water to avoid fire more easily
+
 	if(iscarbon(O))
 		var/mob/living/carbon/M = O
 		if(M.r_hand)
diff --git a/code/modules/clothing/head/misc_special.dm b/code/modules/clothing/head/misc_special.dm
index 22f9295b82f..5eb7e0c65bc 100644
--- a/code/modules/clothing/head/misc_special.dm
+++ b/code/modules/clothing/head/misc_special.dm
@@ -159,4 +159,4 @@
 	desc = "You can hear the distant sounds of rhythmic electronica."
 	icon_state = "richard"
 	body_parts_covered = HEAD|FACE
-	flags = FPRINT|TABLEPASS|HEADCOVERSEYES|HEADCOVERSMOUTH|BLOCKHAIR
\ No newline at end of file
+	flags = HEADCOVERSEYES|HEADCOVERSMOUTH|BLOCKHAIR
\ No newline at end of file
diff --git a/code/modules/mob/living/carbon/human/examine.dm b/code/modules/mob/living/carbon/human/examine.dm
index 7147b857654..0f06e979add 100644
--- a/code/modules/mob/living/carbon/human/examine.dm
+++ b/code/modules/mob/living/carbon/human/examine.dm
@@ -223,7 +223,10 @@
 					usr << "<span class='deadsay'>[t_He] has no pulse[src.client ? "" : " and [t_his] soul has departed"]...</span>"
 				else
 					usr << "<span class='deadsay'>[t_He] has a pulse!</span>"
-
+	if(fire_stacks)
+		msg += "[t_He] [t_is] covered in some liquid.\n"
+	if(on_fire)
+		msg += "<span class='warning'>[t_He] [t_is] on fire!.</span>\n"
 	msg += "<span class='warning'>"
 
 	if(nutrition < 100)
diff --git a/code/modules/mob/living/carbon/human/life.dm b/code/modules/mob/living/carbon/human/life.dm
index 6638689887a..ce3a5401aea 100644
--- a/code/modules/mob/living/carbon/human/life.dm
+++ b/code/modules/mob/living/carbon/human/life.dm
@@ -112,6 +112,9 @@
 	//Handle temperature/pressure differences between body and environment
 	handle_environment(environment)		//Optimized a good bit.
 
+	//Check if we're on fire
+	handle_fire()
+
 	//Status updates, death etc.
 	handle_regular_status_updates()		//Optimized a bit
 	update_canmove()
@@ -788,6 +791,8 @@
 
 		if (abs(body_temperature_difference) < 0.5)
 			return //fuck this precision
+		if (on_fire)
+			return //too busy for pesky convection
 
 		if(bodytemperature < species.cold_level_1) //260.15 is 310.15 - 50, the temperature where you start to feel effects.
 			if(nutrition >= 2) //If we are very, very cold we'll use up quite a bit of nutriment to heat us up.
@@ -1775,5 +1780,15 @@
 		speech_problem_flag = 1
 	return stuttering
 
+/mob/living/carbon/human/handle_fire()
+	if(..())
+		return
+	
+	var/burn_temperature = fire_burn_temperature()
+	var/thermal_protection = get_heat_protection(burn_temperature)
+	
+	if (thermal_protection < 1 && bodytemperature < burn_temperature)
+		bodytemperature += round(BODYTEMP_HEATING_MAX*(1-thermal_protection), 1)
+
 #undef HUMAN_MAX_OXYLOSS
 #undef HUMAN_CRIT_MAX_OXYLOSS
diff --git a/code/modules/mob/living/carbon/human/update_icons.dm b/code/modules/mob/living/carbon/human/update_icons.dm
index cc053f219d5..19736bad3f4 100644
--- a/code/modules/mob/living/carbon/human/update_icons.dm
+++ b/code/modules/mob/living/carbon/human/update_icons.dm
@@ -126,8 +126,9 @@ Please contact me on #coderbus IRC. ~Carn x
 #define LEGCUFF_LAYER			19
 #define L_HAND_LAYER			20
 #define R_HAND_LAYER			21
-#define TARGETED_LAYER			22		//BS12: Layer for the target overlay from weapon targeting system
-#define TOTAL_LAYERS			22
+#define FIRE_LAYER				22		//If you're on fire
+#define TARGETED_LAYER			23		//BS12: Layer for the target overlay from weapon targeting system
+#define TOTAL_LAYERS			23
 //////////////////////////////////
 
 /mob/living/carbon/human
@@ -508,6 +509,7 @@ proc/get_damage_icon_part(damage_state, body_part)
 	update_inv_handcuffed(0)
 	update_inv_legcuffed(0)
 	update_inv_pockets(0)
+	update_fire(0)
 	UpdateDamageIcon()
 	update_icons()
 	//Hud Stuff
@@ -911,6 +913,13 @@ proc/get_damage_icon_part(damage_state, body_part)
 	if(update_icons)   update_icons()
 
 
+/mob/living/carbon/human/update_fire(var/update_icons=1)
+	overlays_standing[FIRE_LAYER] = null
+	if(on_fire)
+		overlays_standing[FIRE_LAYER] = image("icon"='icons/mob/OnFire.dmi', "icon_state"="Standing", "layer"=-FIRE_LAYER)
+
+	if(update_icons)   update_icons()
+
 // Used mostly for creating head items
 /mob/living/carbon/human/proc/generate_head_icon()
 //gender no longer matters for the mouth, although there should probably be seperate base head icons.
@@ -969,4 +978,5 @@ proc/get_damage_icon_part(damage_state, body_part)
 #undef L_HAND_LAYER
 #undef R_HAND_LAYER
 #undef TARGETED_LAYER
+#undef FIRE_LAYER
 #undef TOTAL_LAYERS
diff --git a/code/modules/mob/living/carbon/monkey/life.dm b/code/modules/mob/living/carbon/monkey/life.dm
index 20b80c9c890..016f57f18f1 100644
--- a/code/modules/mob/living/carbon/monkey/life.dm
+++ b/code/modules/mob/living/carbon/monkey/life.dm
@@ -57,6 +57,9 @@
 	if(environment)	// More error checking -- TLE
 		handle_environment(environment)
 
+	//Check if we're on fire
+	handle_fire()
+
 	//Status updates, death etc.
 	handle_regular_status_updates()
 	update_canmove()
@@ -629,3 +632,9 @@
 	proc/handle_changeling()
 		if(mind && mind.changeling)
 			mind.changeling.regenerate()
+
+/mob/living/carbon/monkey/handle_fire()
+	if(..())
+		return
+	adjustFireLoss(6)
+	return
\ No newline at end of file
diff --git a/code/modules/mob/living/carbon/monkey/update_icons.dm b/code/modules/mob/living/carbon/monkey/update_icons.dm
index 284f9e288fc..ec69d454f6b 100644
--- a/code/modules/mob/living/carbon/monkey/update_icons.dm
+++ b/code/modules/mob/living/carbon/monkey/update_icons.dm
@@ -5,7 +5,8 @@
 #define M_L_HAND_LAYER			4
 #define M_R_HAND_LAYER			5
 #define TARGETED_LAYER			6
-#define M_TOTAL_LAYERS			6
+#define M_FIRE_LAYER			6
+#define M_TOTAL_LAYERS			7
 /////////////////////////////////
 
 /mob/living/carbon/monkey
@@ -19,6 +20,7 @@
 	update_inv_r_hand(0)
 	update_inv_l_hand(0)
 	update_inv_handcuffed(0)
+	update_fire(0)
 	update_icons()
 	//Hud Stuff
 	update_hud()
@@ -109,6 +111,12 @@
 		overlays_standing[TARGETED_LAYER]	= null
 	if(update_icons)		update_icons()
 
+/mob/living/carbon/monkey/update_fire(var/update_icons=1)
+	if(on_fire)
+		overlays_standing[M_FIRE_LAYER] = image("icon"='icons/mob/OnFire.dmi', "icon_state"="Standing", "layer"= -M_FIRE_LAYER)
+	else
+		overlays_standing[M_FIRE_LAYER] = null
+	if(update_icons)		update_icons()
 //Monkey Overlays Indexes////////
 #undef M_MASK_LAYER
 #undef M_BACK_LAYER
@@ -116,5 +124,6 @@
 #undef M_L_HAND_LAYER
 #undef M_R_HAND_LAYER
 #undef TARGETED_LAYER
+#undef M_FIRE_LAYER
 #undef M_TOTAL_LAYERS
 
diff --git a/code/modules/mob/living/living.dm b/code/modules/mob/living/living.dm
index 79537ae833f..6eb23964aa2 100644
--- a/code/modules/mob/living/living.dm
+++ b/code/modules/mob/living/living.dm
@@ -281,6 +281,8 @@
 		C.legcuffed = initial(C.legcuffed)
 	hud_updateflag |= 1 << HEALTH_HUD
 	hud_updateflag |= 1 << STATUS_HUD
+	ExtinguishMob()
+	fire_stacks = 0
 
 /mob/living/proc/rejuvenate()
 
@@ -628,9 +630,21 @@
 						BD.attack_hand(usr)
 					C.open()
 
-	//breaking out of handcuffs
+	//drop && roll or breaking out of handcuffs
 	else if(iscarbon(L))
 		var/mob/living/carbon/CM = L
+		if(CM.on_fire && CM.canmove)
+			CM.fire_stacks -= 5
+			CM.Weaken(3)
+			CM.spin(32,2)
+			CM.visible_message("<span class='danger'>[CM] rolls on the floor, trying to put themselves out!</span>", \
+				"<span class='notice'>You stop, drop, and roll!</span>")
+			sleep(30)
+			if(fire_stacks <= 0)
+				CM.visible_message("<span class='danger'>[CM] has successfully extinguished themselves!</span>", \
+					"<span class='notice'>You extinguish yourself.</span>")
+				ExtinguishMob()
+			return
 		if(CM.handcuffed && CM.canmove && (CM.last_special <= world.time))
 			CM.next_move = world.time + 100
 			CM.last_special = world.time + 100
@@ -843,4 +857,22 @@
 	return 1
 
 /mob/living/proc/slip(var/slipped_on,stun_duration=8)
-	return 0
\ No newline at end of file
+	return 0
+
+/mob/living/carbon/proc/spin(spintime, speed)
+	spawn()
+		var/D = dir
+		while(spintime >= speed)
+			sleep(speed)
+			switch(D)
+				if(NORTH)
+					D = EAST
+				if(SOUTH)
+					D = WEST
+				if(EAST)
+					D = SOUTH
+				if(WEST)
+					D = NORTH
+			set_dir(D)
+			spintime -= speed
+	return
diff --git a/code/modules/mob/living/living_defense.dm b/code/modules/mob/living/living_defense.dm
index 1afd5b53256..1be8ea4ac9f 100644
--- a/code/modules/mob/living/living_defense.dm
+++ b/code/modules/mob/living/living_defense.dm
@@ -191,3 +191,52 @@
 	src.visible_message("<span class='danger'>[user] has [attack_message] [src]!</span>")
 	spawn(1) updatehealth()
 	return 1
+
+/mob/living/proc/IgniteMob()
+	if(fire_stacks > 0 && !on_fire)
+		on_fire = 1
+		src.AddLuminosity(3)
+		update_fire()
+
+/mob/living/proc/ExtinguishMob()
+	if(on_fire)
+		on_fire = 0
+		fire_stacks = 0
+		src.AddLuminosity(-3)
+		update_fire()
+
+/mob/living/proc/update_fire()
+	return
+
+/mob/living/proc/adjust_fire_stacks(add_fire_stacks) //Adjusting the amount of fire_stacks we have on person
+    fire_stacks = Clamp(fire_stacks + add_fire_stacks, min = FIRE_MIN_STACKS, max = FIRE_MAX_STACKS)
+
+/mob/living/proc/handle_fire()
+	if(fire_stacks < 0)
+		fire_stacks = max(0, fire_stacks++) //If we've doused ourselves in water to avoid fire, dry off slowly
+	
+	if(!on_fire)
+		return 1
+	else if(fire_stacks <= 0)
+		ExtinguishMob() //Fire's been put out.
+		return 1
+	
+	var/datum/gas_mixture/G = loc.return_air() // Check if we're standing in an oxygenless environment
+	if(G.gas["oxygen"] < 1)
+		ExtinguishMob() //If there's no oxygen in the tile we're on, put out the fire
+		return 1
+	
+	var/turf/location = get_turf(src)
+	location.hotspot_expose(fire_burn_temperature(), 50, 1)
+
+/mob/living/fire_act()
+	adjust_fire_stacks(0.5)
+	IgniteMob()
+
+//Finds the effective temperature that the mob is burning at.
+/mob/living/proc/fire_burn_temperature()
+	if (fire_stacks <= 0)
+		return 0
+	
+	//Scale quadratically so that single digit numbers of fire stacks don't burn ridiculously hot.
+	return round(FIRESUIT_MAX_HEAT_PROTECTION_TEMPERATURE*(fire_stacks/FIRE_MAX_FIRESUIT_STACKS)**2)
diff --git a/code/modules/mob/living/living_defines.dm b/code/modules/mob/living/living_defines.dm
index ecbc51db379..a9cbcbe0dde 100644
--- a/code/modules/mob/living/living_defines.dm
+++ b/code/modules/mob/living/living_defines.dm
@@ -38,4 +38,6 @@
 	var/tod = null // Time of death
 	var/update_slimes = 1
 	var/silent = null 		// Can't talk. Value goes down every life proc.
-	var/mob_size            // Used by lockers.
\ No newline at end of file
+	var/mob_size            // Used by lockers.
+	var/on_fire = 0 //The "Are we on fire?" var
+	var/fire_stacks
diff --git a/code/modules/reagents/Chemistry-Reagents.dm b/code/modules/reagents/Chemistry-Reagents.dm
index 6e2103e842b..e523fab26c4 100644
--- a/code/modules/reagents/Chemistry-Reagents.dm
+++ b/code/modules/reagents/Chemistry-Reagents.dm
@@ -258,10 +258,15 @@ datum
 					if(!cube.wrapped)
 						cube.Expand()
 
-			reaction_mob(var/mob/M, var/method=TOUCH, var/volume)
+			reaction_mob(var/mob/living/M, var/method=TOUCH, var/volume)
 				if (istype(M, /mob/living/carbon/slime))
 					var/mob/living/carbon/slime/S = M
 					S.apply_water()
+				if(method == TOUCH && isliving(M))
+					M.adjust_fire_stacks(-(volume / 10))
+					if(M.fire_stacks <= 0)
+						M.ExtinguishMob()
+					return
 
 		water/holywater
 			name = "Holy Water"
@@ -911,6 +916,12 @@ datum
 				M.adjustToxLoss(1)
 				..()
 				return
+			reaction_mob(var/mob/living/M, var/method=TOUCH, var/volume)//Splashing people with welding fuel to make them easy to ignite!
+				if(!istype(M, /mob/living))
+					return
+				if(method == TOUCH)
+					M.adjust_fire_stacks(volume / 10)
+					return
 
 		space_cleaner
 			name = "Space cleaner"
@@ -1665,6 +1676,12 @@ datum
 				src = null
 				T.assume_gas("volatile_fuel", volume, T20C)
 				return
+			reaction_mob(var/mob/living/M, var/method=TOUCH, var/volume)//Splashing people with plasma is stronger than fuel!
+				if(!istype(M, /mob/living))
+					return
+				if(method == TOUCH)
+					M.adjust_fire_stacks(volume / 5)
+					return
 
 		toxin/lexorin
 			name = "Lexorin"
@@ -3335,6 +3352,12 @@ datum
 						usr << "It wasn't enough..."
 				return
 
+			reaction_mob(var/mob/living/M, var/method=TOUCH, var/volume)//Splashing people with ethanol isn't quite as good as fuel.
+				if(!istype(M, /mob/living))
+					return
+				if(method == TOUCH)
+					M.adjust_fire_stacks(volume / 15)
+					return
 		ethanol/beer
 			name = "Beer"
 			id = "beer"
diff --git a/code/setup.dm b/code/setup.dm
index 41c2f710d70..4b91223b21c 100644
--- a/code/setup.dm
+++ b/code/setup.dm
@@ -77,6 +77,12 @@
 #define SHOE_MIN_COLD_PROTECTION_TEMPERATURE 2.0	//For gloves
 #define SHOE_MAX_HEAT_PROTECTION_TEMPERATURE 1500		//For gloves
 
+//Fire
+#define FIRE_MIN_STACKS -20
+#define FIRE_MAX_STACKS 25
+//If the number of stacks goes above this firesuits won't protect you anymore. If not you can walk around while on fire like a badass.
+#define FIRE_MAX_FIRESUIT_STACKS 20
+
 #define THROWFORCE_SPEED_DIVISOR 5		//The throwing speed value at which the throwforce multiplier is exactly 1.
 #define THROWNOBJ_KNOCKBACK_SPEED 15	//The minumum speed of a thrown object that will cause living mobs it hits to be knocked back.
 #define THROWNOBJ_KNOCKBACK_DIVISOR 2	//Affects how much speed the mob is knocked back with
diff --git a/icons/mob/OnFire.dmi b/icons/mob/OnFire.dmi
new file mode 100644
index 00000000000..8bf6e2c7749
Binary files /dev/null and b/icons/mob/OnFire.dmi differ