CheatCodes.com has all the official Knockout Kings Game Boy cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Saturday May 25, 2013 for Knockout Kings are shown below. We also have this game on PlayStation, Game Boy, and sometimes tricks from other game systems will also work on Game Boy.
Beat game with Ali 3 times to get Mike Tyson.
In the workout screen, Just workout until your manager says " Good work out kid " Then simply press start an leave. Instead of 3 points you should now have 8.
Sometimes cheats for other video game systems also work on Game Boy games. Try Knockout Kings on PlayStation and Game Boy.
Found some tricks that we don't have? Got some helpful hints, tips, or tactics we don't know about? Tell us and you could win a free Game Boy game (or any other game you want for any video game system)!