Psychosis

Hold Up + Select + II and press Run at the title screen.

Hold Up + Select + II and press Run at the title screen.

Save the worm at the beginning of the first stage by shooting both enemies that attack it. Do not shoot the worm. Butterflies will appear at the first end Boss if this is done. Then, proceed to stage four without dying to get the protection of a large turtle.

Press Run at the title screen to start the game. Immediately hold II and press Run five times (for level 2), Run forty-five times (for level 3), Run twenty-five times (for level 4), or Run one hundred times (for level 5).

At the title screen, press Run to start the game. While the screen is fading to black, hold Button 2. The screen will stay black as long as you hold the button. Now, press the Run button 5 times to go to level 2, 45 times for level 3, 25 times for level 4 and 100 times for level 5.