• Automatic Rapid-Fire

For a continuous burst of fire power, press Up, Up, Down, Down, Left, Right, A, A, B, B, C, C at the title screen. | [Sent by Syndish]
  • Unlimited Continues

At the title screen, press Up, Right, Down, Left, A, B, C, U, Left, Down, Right. If you did this correctly, the "Continues Left" counter will read "FREE PLAY" when you lose your first ship. | [Sent by Syndish]