Use the D-Pad to steer your jet to avoid the flashy bullet thingies. Press B to fire at enemies. Collect Powerups (the "P" things that fly around)to strengthen your firepower.Press A to launch a big missile that blows up lots of stuff. It also makes youinvulnerable for a short period. You will start with 2 of these with each life.The "B" pickups will supply you with an extra missile.If you touch a bullet then you will explode and lose a life! If you have nomore extra lives, (shown in top-left/right corner) the game will end. You maycontinue from the beginning of the level (but you lose your score).