diff --git a/code/controllers/configuration/configuration.dm b/code/controllers/configuration/configuration.dm
index 53fbd15651..32da3b5938 100644
--- a/code/controllers/configuration/configuration.dm
+++ b/code/controllers/configuration/configuration.dm
@@ -425,6 +425,7 @@ Example config:
 	var/list/min_pop = Get(/datum/config_entry/keyed_list/min_pop)
 	var/list/max_pop = Get(/datum/config_entry/keyed_list/max_pop)
 	var/list/repeated_mode_adjust = Get(/datum/config_entry/number_list/repeated_mode_adjust)
+	var/desired_chaos_level = 9 - SSpersistence.get_recent_chaos()
 	for(var/T in gamemode_cache)
 		var/datum/game_mode/M = new T()
 		if(!(M.config_tag in modes))
@@ -449,6 +450,17 @@ Example config:
 					adjustment += repeated_mode_adjust[recent_round]
 					recent_round = SSpersistence.saved_modes.Find(M.config_tag,recent_round+1,0)
 				final_weight *= max(0,((100-adjustment)/100))
+			if(Get(/datum/config_entry/flag/weigh_by_recent_chaos))
+				var/chaos_level = M.get_chaos()
+				var/exponent = Get(/datum/config_entry/number/chaos_exponent)
+				var/delta = chaos_level - desired_chaos_level
+				if(desired_chaos_level > 5)
+					delta = abs(min(delta, 0))
+				else if(desired_chaos_level < 5)
+					delta = max(delta, 0)
+				else
+					delta = abs(delta)
+				final_weight /= (delta + 1) ** exponent
 			runnable_modes[M] = final_weight
 	return runnable_modes
 
diff --git a/code/controllers/configuration/entries/game_options.dm b/code/controllers/configuration/entries/game_options.dm
index 4034722417..76a5f5060c 100644
--- a/code/controllers/configuration/entries/game_options.dm
+++ b/code/controllers/configuration/entries/game_options.dm
@@ -7,6 +7,13 @@
 /datum/config_entry/keyed_list/probability/ValidateListEntry(key_name)
 	return key_name in config.modes
 
+/datum/config_entry/keyed_list/chaos_level
+	key_mode = KEY_MODE_TEXT
+	value_mode = VALUE_MODE_NUM
+
+/datum/config_entry/keyed_list/chaos_level/ValidateListEntry(key_name)
+	return key_name in config.modes
+
 /datum/config_entry/keyed_list/max_pop
 	key_mode = KEY_MODE_TEXT
 	value_mode = VALUE_MODE_NUM
@@ -596,3 +603,8 @@
 /// Dirtyness multiplier for making turfs dirty
 /datum/config_entry/number/turf_dirty_multiplier
 	config_entry_value = 1
+
+/datum/config_entry/flag/weigh_by_recent_chaos
+
+/datum/config_entry/number/chaos_exponent
+	config_entry_value = 1
diff --git a/code/controllers/subsystem/persistence/recent_votes_etc.dm b/code/controllers/subsystem/persistence/recent_votes_etc.dm
index f1b902d6ab..3c36c7581e 100644
--- a/code/controllers/subsystem/persistence/recent_votes_etc.dm
+++ b/code/controllers/subsystem/persistence/recent_votes_etc.dm
@@ -3,6 +3,7 @@
  */
 /datum/controller/subsystem/persistence
 	var/list/saved_modes = list(1,2,3)
+	var/list/saved_chaos = list(5,5,5)
 	var/list/saved_dynamic_rules = list(list(),list(),list())
 	var/list/saved_storytellers = list("foo","bar","baz")
 	var/list/average_dynamic_threat = 50
@@ -33,6 +34,14 @@
 	file_data["data"] = saved_modes
 	fdel(json_file)
 	WRITE_FILE(json_file, json_encode(file_data))
+	saved_chaos[3] = saved_chaos[2]
+	saved_chaos[2] = saved_chaos[1]
+	saved_chaos[1] = SSticker.mode.get_chaos()
+	json_file = file("data/RecentChaos.json")
+	file_data = list()
+	file_data["data"] = saved_chaos
+	fdel(json_file)
+	WRITE_FILE(json_file, json_encode(file_data))
 
 /datum/controller/subsystem/persistence/proc/CollectStoryteller(var/datum/game_mode/dynamic/mode)
 	saved_storytellers.len = 3
@@ -105,3 +114,9 @@
 	if(!json)
 		return
 	saved_maps = json["maps"]
+
+/datum/controller/subsystem/persistence/proc/get_recent_chaos()
+	var/sum = 0
+	for(var/n in saved_chaos)
+		sum += n
+	return sum/length(saved_chaos)
diff --git a/code/game/gamemodes/bloodsucker/bloodsucker.dm b/code/game/gamemodes/bloodsucker/bloodsucker.dm
index a16e7eab59..65321f5820 100644
--- a/code/game/gamemodes/bloodsucker/bloodsucker.dm
+++ b/code/game/gamemodes/bloodsucker/bloodsucker.dm
@@ -24,6 +24,7 @@
 	traitor_name = "Bloodsucker"
 	antag_flag = ROLE_BLOODSUCKER
 	false_report_weight = 1
+	chaos = 4
 	restricted_jobs = list("AI","Cyborg")
 	protected_jobs = list("Chaplain", "Security Officer", "Warden", "Detective", "Head of Security", "Captain", "Head of Personnel", "Chief Engineer", "Chief Medical Officer", "Research Director", "Quartermaster")
 	required_players = 20
diff --git a/code/game/gamemodes/brother/traitor_bro.dm b/code/game/gamemodes/brother/traitor_bro.dm
index 718ed2c103..eda6b5f9e2 100644
--- a/code/game/gamemodes/brother/traitor_bro.dm
+++ b/code/game/gamemodes/brother/traitor_bro.dm
@@ -6,6 +6,7 @@
 	name = "traitor+brothers"
 	config_tag = "traitorbro"
 	required_players = 25
+	chaos = 5
 	restricted_jobs = list("AI", "Cyborg")
 	protected_jobs = list("Security Officer", "Warden", "Detective", "Head of Security", "Captain", "Head of Personnel", "Chief Engineer", "Chief Medical Officer", "Research Director", "Quartermaster")
 
diff --git a/code/game/gamemodes/changeling/changeling.dm b/code/game/gamemodes/changeling/changeling.dm
index 8029685bf7..20ef83a54c 100644
--- a/code/game/gamemodes/changeling/changeling.dm
+++ b/code/game/gamemodes/changeling/changeling.dm
@@ -10,6 +10,7 @@ GLOBAL_VAR(changeling_team_objective_type) //If this is not null, we hand our th
 	config_tag = "changeling"
 	antag_flag = ROLE_CHANGELING
 	false_report_weight = 10
+	chaos = 5
 	restricted_jobs = list("AI", "Cyborg")
 	protected_jobs = list("Security Officer", "Warden", "Detective", "Head of Security", "Captain", "Head of Personnel", "Chief Engineer", "Chief Medical Officer", "Research Director", "Quartermaster")	//citadel change - adds HoP, CE, CMO, and RD to ling role blacklist
 	required_players = 15
diff --git a/code/game/gamemodes/changeling/traitor_chan.dm b/code/game/gamemodes/changeling/traitor_chan.dm
index b010b08bc3..88a1cde8ce 100644
--- a/code/game/gamemodes/changeling/traitor_chan.dm
+++ b/code/game/gamemodes/changeling/traitor_chan.dm
@@ -2,6 +2,7 @@
 	name = "traitor+changeling"
 	config_tag = "traitorchan"
 	false_report_weight = 10
+	chaos = 6
 	traitors_possible = 3 //hard limit on traitors if scaling is turned off
 	restricted_jobs = list("AI", "Cyborg")
 	required_players = 25
diff --git a/code/game/gamemodes/clock_cult/clock_cult.dm b/code/game/gamemodes/clock_cult/clock_cult.dm
index 29455afe56..d8ebf6f20c 100644
--- a/code/game/gamemodes/clock_cult/clock_cult.dm
+++ b/code/game/gamemodes/clock_cult/clock_cult.dm
@@ -134,6 +134,7 @@ Credit where due:
 	config_tag = "clockwork_cult"
 	antag_flag = ROLE_SERVANT_OF_RATVAR
 	false_report_weight = 10
+	chaos = 8
 	required_players = 24 //Fixing this directly for now since apparently config machine for forcing modes broke.
 	required_enemies = 3
 	recommended_enemies = 5
diff --git a/code/game/gamemodes/clown_ops/clown_ops.dm b/code/game/gamemodes/clown_ops/clown_ops.dm
index 108c67ad27..659d2de105 100644
--- a/code/game/gamemodes/clown_ops/clown_ops.dm
+++ b/code/game/gamemodes/clown_ops/clown_ops.dm
@@ -1,7 +1,7 @@
 /datum/game_mode/nuclear/clown_ops
 	name = "clown ops"
 	config_tag = "clownops"
-
+	chaos = 8
 	announce_span = "danger"
 	announce_text = "Clown empire forces are approaching the station in an attempt to HONK it!\n\
 	<span class='danger'>Operatives</span>: Secure the nuclear authentication disk and use your bananium fission explosive to HONK the station.\n\
diff --git a/code/game/gamemodes/cult/cult.dm b/code/game/gamemodes/cult/cult.dm
index 8ec4123201..ba9fad7a84 100644
--- a/code/game/gamemodes/cult/cult.dm
+++ b/code/game/gamemodes/cult/cult.dm
@@ -38,6 +38,7 @@
 	config_tag = "cult"
 	antag_flag = ROLE_CULTIST
 	false_report_weight = 10
+	chaos = 8
 	restricted_jobs = list("AI", "Cyborg")
 	protected_jobs = list("Security Officer", "Warden", "Detective", "Head of Security", "Captain", "Head of Personnel", "Chief Engineer", "Chief Medical Officer", "Research Director", "Quartermaster")
 	required_players = 30
diff --git a/code/game/gamemodes/devil/devil agent/devil_agent.dm b/code/game/gamemodes/devil/devil agent/devil_agent.dm
index 789cff5c8f..ccfd6f1dd5 100644
--- a/code/game/gamemodes/devil/devil agent/devil_agent.dm	
+++ b/code/game/gamemodes/devil/devil agent/devil_agent.dm	
@@ -1,6 +1,7 @@
 /datum/game_mode/devil/devil_agents
 	name = "Devil Agents"
 	config_tag = "devil_agents"
+	chaos = 5
 	required_players = 25
 	required_enemies = 3
 	recommended_enemies = 8
diff --git a/code/game/gamemodes/devil/devil_game_mode.dm b/code/game/gamemodes/devil/devil_game_mode.dm
index 0f2e8f7858..9bf7fc0e82 100644
--- a/code/game/gamemodes/devil/devil_game_mode.dm
+++ b/code/game/gamemodes/devil/devil_game_mode.dm
@@ -3,6 +3,7 @@
 	config_tag = "devil"
 	antag_flag = ROLE_DEVIL
 	false_report_weight = 1
+	chaos = 3
 	protected_jobs = list("Lawyer", "Curator", "Chaplain", "Head of Security", "Captain", "AI")
 	required_players = 0
 	required_enemies = 1
diff --git a/code/game/gamemodes/eldritch_cult/eldritch_cult.dm b/code/game/gamemodes/eldritch_cult/eldritch_cult.dm
index a3e3c54dce..1693163fa2 100644
--- a/code/game/gamemodes/eldritch_cult/eldritch_cult.dm
+++ b/code/game/gamemodes/eldritch_cult/eldritch_cult.dm
@@ -3,6 +3,7 @@
 	config_tag = "heresy"
 	antag_flag = ROLE_HERETIC
 	false_report_weight = 5
+	chaos = 5
 	restricted_jobs = list("AI", "Cyborg")
 	protected_jobs = list("Security Officer", "Warden", "Detective", "Head of Security", "Captain", "Head of Personnel", "Chief Engineer", "Chief Medical Officer", "Research Director", "Quartermaster")	//citadel change - adds HoP, CE, CMO, and RD to heretic role blacklist
 	required_players = 15
diff --git a/code/game/gamemodes/extended/extended.dm b/code/game/gamemodes/extended/extended.dm
index 976f3e3eca..a6abcbefbd 100644
--- a/code/game/gamemodes/extended/extended.dm
+++ b/code/game/gamemodes/extended/extended.dm
@@ -3,6 +3,7 @@
 	config_tag = "secret_extended"
 	false_report_weight = 5
 	required_players = 0
+	chaos = 0
 
 	announce_span = "notice"
 	announce_text = "Just have fun and enjoy the game!"
diff --git a/code/game/gamemodes/game_mode.dm b/code/game/gamemodes/game_mode.dm
index 8bef236c5e..10c0154412 100644
--- a/code/game/gamemodes/game_mode.dm
+++ b/code/game/gamemodes/game_mode.dm
@@ -17,6 +17,7 @@
 	var/config_tag = null
 	var/votable = 1
 	var/probability = 0
+	var/chaos = 5 // 0-9, used for weighting round-to-round
 	var/false_report_weight = 0 //How often will this show up incorrectly in a centcom report?
 	var/station_was_nuked = 0 //see nuclearbomb.dm and malfunction.dm
 	var/nuke_off_station = 0 //Used for tracking where the nuke hit
@@ -623,3 +624,10 @@
 /// Mode specific info for ghost game_info
 /datum/game_mode/proc/ghost_info()
 	return
+
+/datum/game_mode/proc/get_chaos()
+	var/chaos_levels = CONFIG_GET(keyed_list/chaos_level)
+	if(config_tag in chaos_levels)
+		return chaos_levels[config_tag]
+	else
+		return chaos
diff --git a/code/game/gamemodes/gangs/gangs.dm b/code/game/gamemodes/gangs/gangs.dm
index 0dc4a520ef..100669c487 100644
--- a/code/game/gamemodes/gangs/gangs.dm
+++ b/code/game/gamemodes/gangs/gangs.dm
@@ -6,6 +6,7 @@ GLOBAL_LIST_EMPTY(gangs)
 	name = "gang war"
 	config_tag = "gang"
 	antag_flag = ROLE_GANG
+	chaos = 9
 	restricted_jobs = list("AI", "Cyborg")
 	protected_jobs = list("Security Officer", "Warden", "Detective", "Head of Security", "Captain", "Head of Personnel", "Chief Engineer", "Chief Medical Officer", "Research Director", "Quartermaster")
 	required_players = 15
diff --git a/code/game/gamemodes/meteor/meteor.dm b/code/game/gamemodes/meteor/meteor.dm
index afeebb770b..78fe6d9324 100644
--- a/code/game/gamemodes/meteor/meteor.dm
+++ b/code/game/gamemodes/meteor/meteor.dm
@@ -2,6 +2,7 @@
 	name = "meteor"
 	config_tag = "meteor"
 	false_report_weight = 1
+	chaos = 9
 	var/meteordelay = 2000
 	var/nometeors = 0
 	var/rampupdelta = 5
diff --git a/code/game/gamemodes/monkey/monkey.dm b/code/game/gamemodes/monkey/monkey.dm
index 76460ffbb8..c91252258a 100644
--- a/code/game/gamemodes/monkey/monkey.dm
+++ b/code/game/gamemodes/monkey/monkey.dm
@@ -11,6 +11,7 @@
 	required_players = 20
 	required_enemies = 1
 	recommended_enemies = 1
+	chaos = 9
 
 	restricted_jobs = list("Cyborg", "AI")
 
diff --git a/code/game/gamemodes/nuclear/nuclear.dm b/code/game/gamemodes/nuclear/nuclear.dm
index 48a298984c..dcf84e84db 100644
--- a/code/game/gamemodes/nuclear/nuclear.dm
+++ b/code/game/gamemodes/nuclear/nuclear.dm
@@ -2,6 +2,7 @@
 	name = "nuclear emergency"
 	config_tag = "nuclear"
 	false_report_weight = 10
+	chaos = 9
 	required_players = 28 // 30 players - 3 players to be the nuke ops = 25 players remaining
 	required_enemies = 2
 	recommended_enemies = 5
diff --git a/code/game/gamemodes/overthrow/overthrow.dm b/code/game/gamemodes/overthrow/overthrow.dm
index dca0c1ade1..6a118567df 100644
--- a/code/game/gamemodes/overthrow/overthrow.dm
+++ b/code/game/gamemodes/overthrow/overthrow.dm
@@ -3,6 +3,7 @@
 	name = "overthrow"
 	config_tag = "overthrow"
 	antag_flag = ROLE_OVERTHROW
+	chaos = 5
 	restricted_jobs = list("AI", "Cyborg")
 	protected_jobs = list("Security Officer", "Warden", "Detective", "Head of Security", "Captain", "Head of Personnel", "Chief Engineer", "Chief Medical Officer", "Research Director", "Quartermaster")
 	required_players = 20 // the core idea is of a swift, bloodless coup, so it shouldn't be as chaotic as revs.
diff --git a/code/game/gamemodes/revolution/revolution.dm b/code/game/gamemodes/revolution/revolution.dm
index 9eed18d906..419a74d616 100644
--- a/code/game/gamemodes/revolution/revolution.dm
+++ b/code/game/gamemodes/revolution/revolution.dm
@@ -12,6 +12,7 @@
 	config_tag = "revolution"
 	antag_flag = ROLE_REV
 	false_report_weight = 10
+	chaos = 8
 	restricted_jobs = list("AI", "Cyborg")
 	protected_jobs = list("Security Officer", "Warden", "Detective", "Head of Security", "Captain", "Head of Personnel", "Chief Engineer", "Chief Medical Officer", "Research Director", "Quartermaster")
 	required_players = 20
diff --git a/code/game/gamemodes/traitor/double_agents.dm b/code/game/gamemodes/traitor/double_agents.dm
index fc669d4855..c64e508cef 100644
--- a/code/game/gamemodes/traitor/double_agents.dm
+++ b/code/game/gamemodes/traitor/double_agents.dm
@@ -10,6 +10,7 @@
 	required_enemies = 5
 	recommended_enemies = 8
 	reroll_friendly = 0
+	chaos = 7
 	traitor_name = "Nanotrasen Internal Affairs Agent"
 	antag_flag = ROLE_INTERNAL_AFFAIRS
 
diff --git a/code/game/gamemodes/traitor/traitor.dm b/code/game/gamemodes/traitor/traitor.dm
index 8b1b18660a..d42fe615cd 100644
--- a/code/game/gamemodes/traitor/traitor.dm
+++ b/code/game/gamemodes/traitor/traitor.dm
@@ -17,6 +17,7 @@
 	recommended_enemies = 4
 	reroll_friendly = 1
 	enemy_minimum_age = 0
+	chaos = 2
 
 	announce_span = "danger"
 	announce_text = "There are Syndicate agents on the station!\n\
diff --git a/code/game/gamemodes/wizard/wizard.dm b/code/game/gamemodes/wizard/wizard.dm
index 23f065318e..d8cb851aad 100644
--- a/code/game/gamemodes/wizard/wizard.dm
+++ b/code/game/gamemodes/wizard/wizard.dm
@@ -12,6 +12,7 @@
 	recommended_enemies = 1
 	enemy_minimum_age = 7
 	round_ends_with_antag_death = 1
+	chaos = 9
 	announce_span = "danger"
 	announce_text = "There is a space wizard attacking the station!\n\
 	<span class='danger'>Wizard</span>: Accomplish your objectives and cause mayhem on the station.\n\
diff --git a/config/game_options.txt b/config/game_options.txt
index 7776d87d4e..b9d763e5b0 100644
--- a/config/game_options.txt
+++ b/config/game_options.txt
@@ -72,6 +72,14 @@ ALERT_DELTA Destruction of the station is imminent. All crew are instructed to o
 ## Uncomment to not send a roundstart intercept report. Gamemodes may override this.
 #NO_INTERCEPT_REPORT
 
+## Comment to disable weighting modes by how chaotic recent mode rolls were.
+WEIGH_BY_RECENT_CHAOS
+
+## The weight adjustment will be proportional to this power relative to the "ideal" weight range.
+## e.g. if we have a weight range of 0-5, and an exponent of 1, 6 will be weighted 1/2, 7 1/3 etc.
+## if exponent is 2, it'll be 1/4, 1/9 etc.
+CHAOS_EXPONENT 1
+
 ## Probablities for game modes chosen in 'secret' and 'random' modes.
 ## Default probablity is 1, increase to make that mode more likely to be picked.
 ## Set to 0 to disable that mode.
@@ -154,6 +162,11 @@ FORCE_ANTAG_COUNT CLOCKWORK_CULT
 #FORCE_ANTAG_COUNT WIZARD
 #FORCE_ANTAG_COUNT  MONKEY
 
+## A config for how much each game mode's chaos level is.
+## All of them have reasonable defaults, but this can be used to adjust them.
+## 0-9, where 0 is lowest chaos (should only be extended) and 9 is highest (wizard? nukies?)
+#CHAOS_LEVEL EXTENDED 0
+
 ## Uncomment these for overrides of the minimum / maximum number of players in a round type.
 ## If you set any of these occasionally check to see if you still need them as the modes
 ## will still be actively rebalanced around the SUGGESTED populations, not your overrides.