id Software

Commander Keen in Invasion of the Vorticons: Marooned on Mars

Commander Keen's very first adventure, and the debut of id's groundbreaking side-scrolling technology. In the game you play the role of Commander Keen: the alter-ego of an eight year-old genius by the name of Billy Blaze. When Billy learns that the Earth is in danger, he dons his brother's football helmet and his homemade interstellar spaceship to become Commander Keen -- Defender of the Earth!

Released: 14 December 1990
Developer: id Software
Publisher: Apogee Software
Perspective: Side view
Platforms: DOS
Genres: Platform
Also known as: Commander Keen 1: Marooned on Mars · Commander Keen: "Invasion of the Vorticons" - Episode One: Marooned on Mars