Variable BuildBattleIslandsConst

BuildBattleIslands: readonly [
    "island_bbq",
    "island_clouds",
    "island_desert",
    "island_dice",
    "island_dwarven_king",
    "island_fish_bowl",
    "island_flower",
    "island_frog",
    "island_gothic",
    "island_greek_temple",
    "island_hourglass",
    "island_jerry",
    "island_jungle",
    "island_mesa",
    "island_mines",
    "island_mushroom",
    "island_mycelium",
    "island_nether",
    "island_pickle_jar",
    "island_sand_fort",
    "island_sci_fi",
    "island_serpent",
    "island_snow",
    "island_steam_punk",
    "island_taiga",
    "island_tiki",
    "island_tnt",
    "island_tower",
    "island_waterfall",
] = ...