One Must Fall: 2097 is a fighting video game for all IBM-compatible computers on DOS, programmed by Diversions Entertainment, published by Epic MegaGames and released in October 1994. The game was later patched to include multiplayer support. In February 1999, the game was declared freeware by the developers. A sequel titled One Must Fall: Battlegrounds was released in 2003.

The demoscene is an international computer art subculture focused on producing demos: self-contained, sometimes extremely small, computer programs that produce audiovisual presentations. The purpose of a demo is to show off programming, visual art, and musical skills. Demos and other demoscene productions are shared at festivals known as demoparties, voted on by those who attend and released online.