This page contains Cheats for The Grim Adventures Of Billy And Mandy organized by sections for Nintendo Wii. The Grim Adventures Of Billy And Mandy is a Action Beat-'Em-Up game, made by High Voltage Software, released on Nov 16, 2006 and published by Midway. If you can't find a hint or secret in our list, then please check this page periodically for the latest updates.
- Developer: High Voltage Software
- Publisher: Midway
- Genre: Action Beat-'Em-Up
- Release Date: Nov 16, 2006
- ESRB: Everyone 10+
At the main menu, hold 1 and press Up, Up, Down, Down, Left, Right, Left, Right, then release 1....From: mehfuz
You have to finish Story mode with any character to unlock an alternate costume for that person....From: martymar007
The Grim Adventures Of Billy And Mandy Unlockable Characters:...From: rommel
When playing at Burning down the house,jump to the roof. It will save your energy and letting others battle....From: chopper
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