checked-no =>Cheat Mode: To choose your stage, lives, or to access the sound test, turn on your NES and when the title screen appears, press U U D D L R L R A B [START] before the demo appears. If you want to play a two player game, you need to press [SELECT] [START] instead of just [START]. =>Auto Mode: On the turtle selection screen, press Dx5 (for a 1-player game) or Dx10 (for a 2-player game). When you play, after one Turtle is defeated the next Turtle will be chosen randomly, rather than from the normal order.