- Home: https://web.archive.org/web/20071227005501/http://www.autismuk.freeserve.co.uk/, https://sourceforge.net/projects/aklabeth/
- Inspiration: Akalabeth: World of Doom
- State: mature, inactive since 2004
- Keyword: remake
- Code repository: https://codeberg.org/osgames/aklabeth.git
- Code language: C
- Code license: GPL-2.0
- Developer: Paul Robson
Akalabeth, or 'Ultima 0' as it is often called, that was programmed by Richard Garriott for the Apple II computer in 1980. Aklabeth 1.0 has been written by Paul Robson and was originally released in 2004 under the GPL 2.