Enlarge / The Apple II, one of the myriad personal computers used to play Infocom games years ago. (credit: SSPL/Getty Images) The source code of every Infocom text adventure game has been uploaded to code-sharing repository GitHub, allowing savvy programmers to examine and build upon some of the most beloved works of digital storytelling to date. There are numerous repositories under the name historicalsource, each for a different game.