If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. In 1990, John Romero, John Carmack, and Tom Hall were working at Louisiana software maker Softdisk.

All the Latest Game Footage and Images from Commander Keen To the kids at school, you're 8-year-old Billy Blaze. To alien enemies in the galaxy you're superhero Commander Keen and it's up to you to ...