diff --git a/code/processes/mapswap.dm b/code/processes/mapswap.dm
index 396ab08a77..fd01f3d8dd 100644
--- a/code/processes/mapswap.dm
+++ b/code/processes/mapswap.dm
@@ -152,103 +152,27 @@
 		switch(epoch)
 			if ("Stone Age (?-3000 B.C.)")
 				maps = list(
-					MAP_FOUR_KINGDOMS = 0,
-					MAP_TRIBES = 0,
+					MAP_CAMPAIGN = 0,
 				)
 			if ("Pre-Firearms (3000 B.C-1650 A.D.)")
 //			1013 - TDM
 				maps = list(
-					MAP_KARAK = 0,
-					MAP_CAMP = 0,
-					MAP_OASIS = 0,
-					MAP_HERACLEA = 0,
-					MAP_CLASH = 0,
-					MAP_SIEGE = 0,
-					MAP_GLADIATORS = 0,
-					MAP_TEUTOBURG = 8,
-					MAP_HERACLEA = 8,
-					MAP_SAMMIRHAYEED = 10,
-					MAP_TWOTRIBES = 0,
+					MAP_CAMPAIGN = 0,
 				)
 			if ("Early Fire Arms (1650-1930)")
 // 			1903 - TDM
 				maps = list(
-					MAP_HILL_203 = 0,
-					MAP_YPRES = 0,
-					MAP_VERDUN = 8,
-					MAP_SIBERSYN = 6,
-					MAP_TSARITSYN = 6,
-					MAP_PORT_ARTHUR = 10,
-					MAP_SANTO_TOMAS = 8,
-					MAP_CALOOCAN = 0,
-					MAP_LITTLE_CREEK_TDM = 0,
-					MAP_MISSIONARY_RIDGE = 10,
-					MAP_NAVAL = 0,
-//					MAP_SKULLISLAND = 0,
-					MAP_SUPPLY_RAID = 0,
-					MAP_BRIDGE = 0,
-					MAP_RECIFE = 10,
-					MAP_FIELDS = 10,
-					MAP_RUHR_UPRISING = 14,
-					MAP_ROBUSTA = 15,
-					MAP_SEKIGAHARA = 6,
+					MAP_CAMPAIGN = 0,
 				)
 			if ("World War II (1931-1948)")
 //	 		1943 - TDM
 				maps = list(
-					MAP_REICHSTAG = 0,
-					MAP_MICROMAHA = 0,
-					MAP_NANKOU = 0,
-					MAP_MARCO_POLO_BRIDGE = 0,
-					MAP_SMALLINGRAD = 0,
-					MAP_REICHFLAKTURM = 0,
-					MAP_PAVLOV_HOUSE = 0,
-					MAP_HOTEL = 0,
-					MAP_KHALKHYN_GOL = 8,
-					MAP_KURSK = 10,
-					MAP_BARBAROSSA = 10,
-					MAP_VITEBSK = 10,
-					MAP_STALINGRAD = 10,
-					MAP_LONG_MARCH = 12,
-					MAP_ARDENNES = 12,
-					MAP_SMALLSIEGEMOSCOW = 12,
-					MAP_INTRAMUROS = 14,
-					MAP_RIZAL_STADIUM = 14,
-					MAP_WAKE_ISLAND = 14,
-					MAP_NANJING = 14,
-					MAP_WARSAW = 14,
-					MAP_OMAHA = 20,
-//					MAP_BIGSIEGEMOSCOW = 20,
-					MAP_FOREST = 20,
-//					MAP_KARELIA = 14,
-					MAP_BERLIN = 20,
-//					MAP_IWO_JIMA = 40,
+					MAP_CAMPAIGN = 0,
 				)
 			if ("Modern Fire Arms (1949-2021)")
 // 			2013 - TDM
 				maps = list(
-					MAP_RETREAT = 6,
-					MAP_ROAD_TO_DAK_TO = 0,
-					MAP_COMPOUND = 6,
-					MAP_ONG_THAHN = 12,
-					MAP_HUE = 15,
-					MAP_AFRICAN_WARLORDS = 6,
-					MAP_TADOJSVILLE = 12,
-					MAP_ZHENBAO = 10,
-					MAP_MAGISTRAL = 10,
-					MAP_HILL_3234 = 12,
-					MAP_KANDAHAR = 16,
-					MAP_ALLEYWAY = 0,
-					MAP_WACO = 0,
-					MAP_YELTSIN = 6,
-					MAP_GROZNY = 10,
-					MAP_BANK_ROBBERY = 0,
-					MAP_DRUG_BUST = 0,
-//					MAP_ARAB_TOWN = 0, Disabled due to recent events
-					MAP_ARAB_TOWN_2 = 0,
-					MAP_HOSTAGES = 0,
-					MAP_SYRIA = 6,
-					MAP_CAPITOL_HILL = 6,
+					MAP_CAMPAIGN = 0,
 				)
 			if ("Fiction")
 				maps = list(
@@ -258,22 +182,11 @@
 				)
 			if ("HRP TDM (Gulag, Occupation, AOTD, etc)")
 				maps = list(
-//					MAP_HUNT = 6,
-//					MAP_FOOTBALL = 6,
-					MAP_GULAG13 = 6,
-//					MAP_ABASHIRI = 6,
-//					MAP_RIVER_KWAI = 0,
-					MAP_LITTLE_CREEK = 6,
-					MAP_OCCUPATION = 10,
-					MAP_THE_ART_OF_THE_DEAL = 18,
+//					MAP_CAMPAIGN = 0,
 				)
 			if ("Battle Royale")
 				maps = list(
-					MAP_BATTLEROYALE_MEDIEVAL = 0,
-					MAP_BATTLEROYALE_IMPERIAL = 0,
-					MAP_BATTLEROYALE_WILDWEST = 0,
-					MAP_BATTLEROYALE_MODERN = 0,
-//					MAP_HUNGERGAMES = 0,
+					MAP_CAMPAIGN = 0,
 				)
 			if ("MilSim (BETA TESTING)")
 //			MilSim 2014 to 2023 - TDM