Various Codes
In the Extras menu, navigate to 'Cheats' and enter these codes for the desired effect:Right, Up, Left, Right, Up, Right - Unlock All Game Levels
Right, Up, Right, Right - Unlock All Mini Games
Left, Right, Up, Down - Unlimited Enhanced Vision
Right, Left -Left, Up, Down, Up - Unlimited SuperBark
Down, Down, Up, Left - Unlimited Invulnerability
Left, Left, Up, Right - Unlimited Laser Eyes
Right, Left, Left, Up, Down, Right - Unlimited Gas Mines
Right, Up, Right, Up, Left, Down - Unlimited Ground Pound
Left, Down, Down, Down - Unlimited Stealth Camouflage