Commander Keen - Wikipedia
https://en.wikipedia.org/wiki/Commander_KeenIn September 1990, John Carmack, a game programmer for the Gamer's Edge video game subscription service and disk magazine at Softdisk in Shreveport, Louisiana, developed a way to create graphics which could smoothly scroll in any direction in a computer game. At the time, IBM-compatible general-purpose computers were not able to replicate the common feat of video game consoles such …
Commander Keen - Wikipedia
en.wikipedia.org › wiki › Commander_KeenCommander Keen is a series of side-scrolling platform video games developed primarily by id Software. The series consists of six main episodes, a "lost" episode, and a final game; all but the final game were originally released for MS-DOS in 1990 and 1991, while the 2001 Commander Keen was released for the Game Boy Color.
Commander Keen on Steam
store.steampowered.com › app › 9180In 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!