The Grim Adventures of Billy & Mandy Unlockables & Awards
To acquire the chicken in "vs. mode"(not story
mode), you need to beat story mode with every
character, and play for ten hours of game play.
Want even more The Grim Adventures of Billy & Mandy Cheats?
We have The Grim Adventures of Billy & Mandy cheats for PlayStation 2, Game Boy Advance, GameCube, and Wii on CheatCodes.com. Give them a try, since cheats for other game systems sometimes work on PlayStation 2 games, too!