In a local antiques shop you find an old key that opens the doorway to a huge, mystical mansion that exists beyond the veil of space and time. You meet the house's caretaker a mysterious old man who informs you you're at a junction in the multiverse and can accept the house's challenge to explore it's maze of rooms, staircases and hallways to exit out the raindow door at the house's summit. To aid you in your quest you can summon forth 4 characters from fiction and possess the abilities of one other. There's a catch however, the house is riddled with puzzles, booby traps, magical enchantments and guards that don't want you to succeed. If you take the challenge and succeed you'll recieve the grand prize of having any three wishes granted. There are several different modes of gameplay to choose from (Action, Mystery, Adventure or Mixed) which dictate the sort of obstacles you'll face within the house. The choice is yours.