Glitch: Move screen:
On level 8, destroy the sphinxes, move right to the end of the screen, then move back left. When the screen starts to move back, pause game play and press Left. The screen will move when the game is paused.

Glitch: Returning shots:
On level 8, move as far as you can to either side of the screen and shoot your gun. The shots will appear on the other side of the screen.

Glitch: Walking in place:
Hold Down/Left or Down/Right. If done correctly, you will walk in place.

Glitch: Moving when still:
Hold Up/Left or Up/Right. If done correctly, you will slide along the ground.