Here are some ways to unlock codes on the cheat menu...
1. beat the high scores on the classic arcade games in the Fur Fighter Village.
2. beat ALL the bosses including GENERAL VIGGO,and then go back to each boss as the correct charachter..
1.Saving Gwynth: Tweek
2. Saving Juanita: Rico
3.Saving Claude: Julliette
4. Saving Esmerelda: Bungalow
5. Saving Winnie and Mai: Roofus or Chang
6. VIGGO: Tweek
and you will recieve a cheat, you don't have to fight the boss again, or exit the level properly, just go to hub from the pause menu and you will still have the cheat.
Submitted by SamthePokemonman