An archive of John Carmack’s `.plan` files in readable Markdown format that documents the development and production of Id Software's games from 1996 to 2010, with mentions of the company's most popular games [Commander Keen](https://en.wikipedia.org/wiki/Commander_Keen), [Wolfenstein 3d](https://en.wikipedia.org/wiki/Wolfenstein_3D), [Doom](https://en.wikipedia.org/wiki/Doom_(1993_video_game)) and [Quake](https://en.wikipedia.org/wiki/Quake_(video_game)). The project is first published in 2017. Key topics include: carmack, doom, doom-2, quake, quake-engine.