- Home: https://web.archive.org/web/20180816232325/https://markdamonhughes.com/Umbra/
- State: beta, inactive since 2002
- Download: https://web.archive.org/web/20180816232325/https://markdamonhughes.com/Umbra/#download
- Keyword: role playing
- Code repository: https://gitlab.com/osgames/umbra.git (snapshot of source release, @created 2018, @stars 1, @forks 0)
- Code language: Python
- Code license: Custom (similar to BSD)