Commander Keen in Invasion of the Vorticons: Marooned on Mars
Game Information
Original Release Date: December 14, 1990
Platforms: DOS
Involved Companies: id Software, Apogee Software
Genres: Platform
Summary: 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!