Codes cheats for Monster House

Monster House - Game cheats, tips and tricks for Gameboy Advance

Doom Bringer 3000 DJ's best water gun:
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Beat Skull's high score of 50,000 in Thou Art Dead to open a passage way
to a chest with the Doom Bringer 3000, DJ's best water gun. Can be gotten
as soon as you start your second playthrough on the same file.

Doom Bringer 3000:
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Beat Skull's high score of 50,000 in the Thou Art Dead arcade game.

Hard Mode and Ruby Key:
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Beat the game once to unlock Hard Mode. You start the game over on the
same file and a brass heart is added to the save file.

You also start with a Ruby Key. Needed to unlock the door at the right
of the lobby that is said to need a "special key". It leads to a room
with an arcade game that you can actually play. It's called "Thou Art Dead".
Plays much like the old Castlevania games, except the character looks like a
Golden Axe character, and the monsters are different.

Hard Mode - Beat the game once
Ruby Key - Beat the game once