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]
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]