Rocky - Platform: XBox

All default boxers and arenas:
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At the main menu, hold R and press Right, Down, Up, Left, Up, L. 
Note: This does not unlock Mickey or the Rocky Statue.

All default boxers, arenas, and Rocky Statue:
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At the main menu, hold R and press Right(3), Left, Right, L.

All default boxers, arenas, Rocky Statue, and Mickey:
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At the main menu, hold R and press Up, Down(2), Left(2), L.

Double punch damage:
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At the main menu, hold R and press Right, Down, Left, Up, Left, L.

Double speed boxing:
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At the main menu, hold R and press Down, Left, Down, Up, Right, L.

Full stats in tournament and exhibition modes:
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At the main menu, hold R and press Left, Up(2), Down, Right, L.

Full stats in movie mode:
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At the main menu, hold R and press Right, Down(2), Up, Left, L.

Win fight in movie mode:
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At the main menu, hold R and press Right(2), Left(2), Up, L. Press Black + White 
during a fight in movie mode to automatically win.

Silver Class Tournament:
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Successfully complete the Bronze version of the Knockout Tournament to unlock 
Silver Class Tournament

Mickey Goldmill:
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Successfully complete movie mode on the champ difficulty setting to unlock the 
Mickey Goldmill.

Rocky Statue:
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Successfully complete movie mode on the contender difficulty setting to unlock 
the Rocky Statue.