Use the keyboard controls described below to maneuver your ship. Destroy as many asteroids as you can while avoiding collisions with them. Watch out for Klingon, Borg, and Romulan enemies! When your "Hull Damage" reaches zero, the game is over. Use your torpedos wisely...you have a limited supply for each game screen (you will automatically reload when you clear all the asteroids from a screen).
Best play is obtained by enabling double buffering, backgrounds, solid polygons (easier to see against the backgrounds), and sounds. If the game plays slow, try disabling some of the options (starting with sound).