Cosmic Jailbreak

A long, long time ago a fierce battle was fought against the invading space aliens. Many people were lost.
But they did not die in vain, for it was mans ingenuity and technology which finally forced the invaders to retreat.
During the battle many aliens were imprisoned on 'Earth' and held for interragation.
The 'Aliens' using their telepathic communicators discover that you have taken prisoners.
On board computer warns that they are preparing an attack, code-named:
COSMIC JAILBREAK
Prepare yourself... PRESS ANY KEY

An action game, set in an arcade, sci-fi / futuristic and shooter themes. The aim of the game is to shoot down the invaders before they free their invader buddies from the space prison.