From the cassette inlay: The once proud Federation fleet lies in ruins, devastated by an alien force of immense power. As Captain of the sole surviving Starship your mission is vital, find and destroy the enemy ships that menace the galaxy. The Starship at your disposal is the most powerful and sophisticated ever built by the Federation. It's computer and weapons systems are second to none. You MUST NOT fail, the continued existence of the Federation and the Human Race depends on you.