# Doom delivers five minutes of terminal violence on an IBM mainframe

- Source: www.theregister.com - Articles
- Published: 2026-11-08T11:19:00+00:00
- Category: Tech
- Original: https://www.theregister.com/offbeat/2026/11/08/doom-delivers-five-minutes-of-terminal-violence-on-an-ibm-mainframe/5308092
- Canonical: https://groundlevelnews.com/story/doom-delivers-five-minutes-of-terminal-violence-on-an-ibm-mainframe-b918b8/

Browser demo renders the classic shooter in ASCII, with no login required and considerable squinting encouraged

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