This page contains Cheats for The Grim Adventures Of Billy And Mandy organized by sections for Gamecube. The Grim Adventures Of Billy And Mandy is a Action Beat-'Em-Up game, made by Midway, released on Sep 25, 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.
The first 4 unlockable characters can already be played in "VS. Mode". But you have to unlock them in "Story Mode"....From: Autobots
To unlock these characters, you must complete special objectives....From: lilHEC282
Complete all tiers and all missions in each tier in mission mode. You will unlock certain characters in certain missions and unlock each character one by one. P.S.[all the characters unlocked can be played in both story mode and versus mode.]...From: Game-Man
You have to finish Story mode with any character to unlock an alternate costume for that person....From: chloej
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How do you unlock the last last person in the grim adventures of billy and mandy...
Posted on: 11-18-2010