To enable cheat mode, press the buttons for the following actions at the main menu. Punch, Senses Mode, Punch, Senses Mode, Punch, Punch, Crouch, Senses Mode. A click will confirm correct entry. Once you hear it press the buttons for Punch, Senses Mode, Punch, Senses Mode, Punch, Punch, Senses Mode, Punch, Punch. After hearing another click, press Crouch. This will unlock all levels, enable cheats in the pause menu and allow you to select levels from the main menu.