To activate the following cheats press start and press them in on the D-pad. You will hear the same sound as when the start menu is opened if they are entered correctly. If you want to disable the code, just put it in again. Under no circumstances should the codes mess up your game.
Low res character models-down/down/down/up/up/left/down/down/down/down/down/left/up/up/up/left/right
Alternate sound effects-up/up/up/left/up/down/up/up/left/down/down/down/left/up/down/down/left/right
Wampa attacks turn into comic blurps-up/down/left/down/left/right(Note, this cheat only works when playing as the Wampas during a Hunt session)
Please rate and verify these cheats if you get the chance. Happy cheating