This game is also available on PS1.
Retro Game Cheats for Knockout Kings 2001 (PlayStation 2)
Effect: Bite opponent's ear
When:
During the game
How:
press L1+R1 then press Square+X+Triangle+O
Submitted By:
Unknown
Effect: Matches will be presented by Sepia Tone
When:
Enter the appropriate name in capitals for a created boxer in career mode
How:
Enter SEPIA
Submitted By:
Unknown
Effect: Illegal low punch
When:
During the game
How:
Press R1 + R2 And Hold X
Submitted By:
Unknown
Effect: illegal kick
When:
during fight
How:
triangle O X square
Submitted By:
Unknown
Effect: Fight as muhammed ali
When:
Enter as name for created character in career mode
How:
SBATISTE
Submitted By:
Unknown
Effect: Unlocks Trevor Nelson
When:
Typing in ur name in a career
How:
Type ur name as "nelson"
Submitted By:
Unknown
Effect: Box as Ashy Knucks
Effect: Unlock David Defiagbon
Effect: Unlock Junior Seau
Effect: Ashy Knucks
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