Monster House (GameBoy Advance (GBA)) Cheats & Tips
Cheats, codes, tips, hacks, how to's, and walkthroughs
UNLOCKABLES | Hard Mode
Beat the game once and start the game over on that save file.
UNLOCKABLES | Ruby Key
Beat the game once and start the game over on that save file. The Ruby Key will allow you to unlock the door to the right of the lobby that says it needs a "special key."
UNLOCKABLES | Doom Bringer 3000 DJ's Water Gun
Beat Skull's high score (50,000) in Thou Art Dead to open a passage way leading to a chest with the gun inside it. Will be available once you beat the game and start it over on the same game file.