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Commander Keen in Invasion of the Vorticons: Marooned on Mars
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Release date
December 14, 1990
Summary
Commander Keen's inaugural journey marks the debut of id Software's revolutionary side-scrolling technology. In this game, you take on the role of Commander Keen—the alter ego of an eight-year-old prodigy named Billy Blaze. When Billy discovers that Earth is in peril, he grabs his brother's football helmet and his self-built interstellar spacecraft to transform into Commander Keen—the protector of the planet!
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