Tommy's Jupiter Jet is a single player DOS space shooting game.In this game the player is flying a space ship over the planet Jupiter. The Jovians are not happy about this and are out to to shoot the player down. The player's task is to shoot them first and to build up a high score.The game is entirely keyboard controlled. It has nine levels of difficulty, the more difficult the game the faster the Jovian targets appear, and it records the top ten scores for each level.