Conkers Pocket Tales Cheat Codes for Gameboy Color

Restore energy
Save the game when low on health, then restart to resume with more energy.

Bonus music
Stop playing without pausing the game to eventually have Conker play music from Donkey Kong Land and Donkey Kong Country.

Saved game deletion
If the game is played on a classic Game Boy after a game has been saved after play on the Game Boy Color, that saved game file will be automatically deleted.