All Working Ultimate Muscle Cheats - GameCube

Play as Blocken Jr. in story mode
Successfully complete story mode as Jaeger.

Play as Bone Cold
Collect 300 Toy Capsules to unlock Bone Cold in story, versus, and tournament modes.

Play as Hanzo
Collect 200 Toy Capsules to unlock Hanzo in story, versus, and tournament modes.

Play as King Muscle in story mode
Successfully complete story mode as Kid Muscle.

Play as Ramen Man in story mode
Successfully complete story mode as Wally Tusket.

Play as Robin Mask in story mode
Successfully complete story mode as Kevin Mask.

Play as Eskara
Collect 100 Toy Capsules to unlock Eskara (Scar Face) in story, versus, and tournament modes. Note: This also unlocks the Regular Machine B vending machine.

Play as Terry Man in story mode
Successfully complete story mode as Terry The Kid.

Play as Wars Man
Successfully complete story mode as Eskara (Scar Face) to unlock Wars Man in story, versus, and tournament modes. Note: This also unlocks the Regular Machine C vending machine.

Bonus toy mode figures
Collect all 434 figures to unlock 10 bonus toy figures at the Ultimate Muscle machine.

Daze opponent
To daze your opponent, do four to five grapple attacks in a row without being hit by your opponent. Once he is dazed, stars will circle his head and he will stand up and not move, giving you a chance to do any attack.