From the manual of the game: Star Strike is a spectacular planetary adventure. A powerful alien space station is about to launch a missile that will destroy Earth. You are piloting a small spaceship armed with laser guns and bombs. YOUR MISSION: Destroy the space station and save the Earth! Shoot as many enemy spacecraft as you can. Bomb eight alien space silos.You must destroy all eight silos before "Planet Earth" moves directly before the missile launch Trench. The trench is guarded by alien saucers and meteor missiles which attempt to destroy your ship or distract you from your bombing.