This page contains The Grim Adventures Of Billy And Mandy Unlockables for Gamecube called "Collect All Characters" and has been posted or updated on Oct 27, 2006 by Game-Man. Let us know what you think of this Unlockable by thumbs voting.
Collect All Characters
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.]
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