Full Health
While playing, hold L1 + R1 and quickly press X(3), Triangle.

Overflowing Toilet
When you get to the bathroom in Chapter 1, start flushing the toilet until it overflows. Stay in the bathroom and eventually you will die and go to heaven.

Completion Bonuses
Win the game to unlock the Hard difficulty setting and the Ruby Key.

All toy monkeys and art gallery images
While playing, hold L1 + R1 and quickly press Triangle, Circle, Triangle, Circle, Square(3), X.

Full Secondary Ammunition
When playing, hold L1 + R1 and quickly press Triangle(2), X(2).
All gun upgrades for all characters
When playing, hold L1 + R1 and quickly press Square, Triangle, Square, X, Square, Circle, Square(2).

PS2 Cheats for Monster House

Monster House cheat codes

Monster House cheats