GameShampoo Video Game Cheats and Codes
James Buster Douglas Knockout Boxing Cheats and Codes

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  James Buster Douglas Knockout Boxing Any Sound Test Press Start on controller two at the game selection screen. Select a sound with the D-pad and press A to play your selection. Press B to stop playback.
  James Buster Douglas Knockout Boxing Any Forced Rematch Hold Up + B and press Start to force a rematch. Note: This may only be done once per opponent.

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