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Playstation - HBO Boxing cheats

Free exercise
Choose exercise in career mode, then push the Left + X buttons.

HBO Boxing Game Shark Codes:

Unlimited Promoter Points 
D009CB00 0001
8009CB00 0FFF

Fast Knockdown Player 2
8008DBB6 0000

Unlimited Health Player 2
8008DBB6 03E7

Fast Knockdown Player 1
8008D962 0000

Unlimited Health Player 1
8008D962 03E7