- BJ6A-ACD6
Rounds are 1 minute - BJ6A-AED6
Rounds are 2 minutes - BJ6A-AJD6
Rounds are 4 minutes - BJ6A-AND6
Rounds are 6 minutes - BJ6A-AWD6
Rounds are 9 minutes - CTXT-AA46
Rounds are infinitely long so you must win by knockout - AJ4T-AA2A
Infinite rounds and you must win by knockout - RH7A-A6YA
Set attributes to whatever you want when creating a new boxer - RH9A-A6TE
Attributes are not reduced after a fight - RH9T-A6VN + BM9T-AA9W
Pick as many training items as you want
Greatest Heavyweights - Game Genie Codes
The following are known Game Genie Codes for Greatest Heavyweights on SEGA Genesis.
- Prv:Sonic the Hedgehog
- Next:RoboCop 3
Related Tool
- Golf Solitaire
- CSS Minifier
- Game Genie Code
- JSON Validator
- QR Code Reader
- XML Formatter
- QR Code Generator
- JSFuck
- FreeCell
- Spot the difference color game
- Retro Games
- 2048 Easy Version
- Hex to String
- Pyramid
- ASCII to String
- Minesweeper
- JSON Editor
- JSON Formatter
- AAEncode/AADecode
- HTML Source Code Viewer