MAIN_MENU = 0
CHARACTER_CREATION = 1
TOWN_SCREEN = 2
STORE_SCREEN = 3
PLAYER_INVENTORY = 4
BLACKSMITH_SCREEN = 5
LEVEL_UP = 6
CHALLENGE_SCREEN = 7
LOAD_SCREEN = 8
DUNGEON_SCREEN = 9
ROOM_SCREEN = 10
GAME_OVER = 11
