Knockout Kings 2002 Cheats For PlayStation 2
Use a created character to successfully complete the game to unlock a cheat. There are a total of five cheats that can be unlocked by repeatedly completing the game.
Contributed by: Anonymous
Knockout Kings 2002 Cheats For Xbox
Each time you beat the game with a CREATED CHARACTER you will unlock a cheat. To beat the game all you have to do is win the title and defend it 5 times. Once again, this only works with created characters.
Contributed by: FabulousFernandez