In 1971, Carleton College senior Don Rawitsch needed a way to make westward expansion interesting for an eighth-grade history class. With friends Paul Dillenberger and Bill Heinemann, he built a text-only game in BASIC on a refrigerator-sized HP 2100 minicomputer, played through a teleprinter with no screen, where hunting meant typing the word BANG as fast as possible. It debuted on December 3, 1971, was a smash hit, and then Rawitsch deleted it to free up storage, keeping only a paper printout of the 500 lines of code.

This deep dive follows the game's resurrection at MECC in 1974, where Rawitsch retyped the code over Thanksgiving weekend and rebalanced its probabilities using real pioneer diaries, the 1978 Apple II port that freed it from phone lines, and R. Philip Bouchard's 1985 visual overhaul that defined a generation. Along the way:  ...