diff --git a/main.asm b/main.asm
index c35f04cc..6a8d656f 100644
--- a/main.asm
+++ b/main.asm
@@ -45959,7 +45959,97 @@ SeafoamIslands5Object: ; 0x468bc (size=62)
 SeafoamIslands5Blocks: ; 0x468fa 135
 	INCBIN "maps/seafoamislands5.blk"
 
-INCBIN "baserom.gbc",$46981,2262
+INCBIN "baserom.gbc",$46981,$46a40-$46981
+
+HiddenObjectMaps:
+	db REDS_HOUSE_2F
+	db BLUES_HOUSE
+	db OAKS_LAB
+	db VIRIDIAN_POKECENTER
+	db VIRIDIAN_MART
+	db VIRIDIAN_SCHOOL
+	db VIRIDIAN_GYM
+	db MUSEUM_1F
+	db PEWTER_GYM
+	db PEWTER_MART
+	db PEWTER_POKECENTER
+	db CERULEAN_POKECENTER
+	db CERULEAN_GYM
+	db CERULEAN_MART
+	db LAVENDER_POKECENTER
+	db VERMILION_POKECENTER
+	db VERMILION_GYM
+	db CELADON_MANSION_2
+	db CELADON_POKECENTER
+	db CELADON_GYM
+	db GAME_CORNER
+	db CELADON_HOTEL
+	db FUCHSIA_POKECENTER
+	db FUCHSIA_GYM
+	db CINNABAR_GYM
+	db CINNABAR_POKECENTER
+	db SAFFRON_GYM
+	db MT_MOON_POKECENTER
+	db ROCK_TUNNEL_POKECENTER
+	db BATTLE_CENTER
+	db TRADE_CENTER
+	db VIRIDIAN_FOREST
+	db MT_MOON_3
+	db INDIGO_PLATEAU
+	db ROUTE_25
+	db ROUTE_9
+	db SS_ANNE_6
+	db SS_ANNE_10
+	db ROCKET_HIDEOUT_1
+	db ROCKET_HIDEOUT_3
+	db ROCKET_HIDEOUT_4
+	db SAFFRON_POKECENTER
+	db POKEMONTOWER_5
+	db ROUTE_13
+	db SAFARIZONEENTRANCE
+	db SAFARI_ZONE_WEST
+	db SILPH_CO_5F
+	db SILPH_CO_9F
+	db COPYCATS_HOUSE_2F
+	db UNKNOWN_DUNGEON_1
+	db UNKNOWN_DUNGEON_3
+	db POWER_PLANT
+	db SEAFOAM_ISLANDS_3
+	db SEAFOAM_ISLANDS_5
+	db MANSION_1
+	db MANSION_3
+	db ROUTE_23
+	db VICTORY_ROAD_2
+	db $6F
+	db BILLS_HOUSE
+	db VIRIDIAN_CITY
+	db SAFARI_ZONE_REST_HOUSE_2
+	db SAFARI_ZONE_REST_HOUSE_3
+	db SAFARI_ZONE_REST_HOUSE_4
+	db $B9
+	db LAVENDER_HOUSE_1
+	db CELADON_MANSION_5
+	db FIGHTINGDOJO
+	db ROUTE_10
+	db INDIGO_PLATEAU_LOBBY
+	db CINNABAR_LAB_4
+	db BIKE_SHOP
+	db ROUTE_11
+	db ROUTE_12
+	db MANSION_2
+	db MANSION_4
+	db SILPH_CO_11F
+	db ROUTE_17
+	db UNDERGROUND_PATH_NS
+	db UNDERGROUND_PATH_WE
+	db CELADON_CITY
+	db SEAFOAM_ISLANDS_4
+	db VERMILION_CITY
+	db CERULEAN_CITY
+	db ROUTE_4
+	db $FF
+
+INCBIN "baserom.gbc",$46a96,$48000-$46a96
 
 SECTION "bank12",DATA,BANK[$12]