checked-no =>50 Ships: Move the cursor so that it points towards the desired number of ships, hold CNTRL II: [L]+[R] + CNTRL I: [SELECT] and then press CNTRL I: [START]. =>Empty Demo: Get the high score and enter ZZT as your initials. Wait for the demo, which will contain no enemies. =>Safe Spot: In the first stage, move your ship above the last three digits of your score. Nothing will hit you until you reach the boss.