Grim Adventures of Billy & Mandy, The (GBA)
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Concept art
Successfully complete the game.
Play as Grim in Story mode
Collect 15 Mojo balls and complete Mandy's storyline in Story mode.
Play as Mandy in Story mode
Collect 5 Mojo balls and complete Billy's storyline in Story mode.
Tier 2 Missions
Collect 8 Mojo balls in Mission mode.
Tier 3 Missions
Collect 17 Mojo balls in Mission mode.
Tier 4 Missions
Collect 25 Mojo balls in Mission mode.
Tier 5 Missions
Collect 35 Mojo balls in Mission mode.
Tier 6 Missions
Collect 53 Mojo balls in Mission mode.