- Home: http://www.asahi-net.or.jp/~cs8k-cyu/windows/rr_e.html, https://rrootage.sourceforge.net/, https://sourceforge.net/projects/rrootage/
- State: beta, inactive since 2004
- Download: https://sourceforge.net/projects/rrootage/files/
- Platform: Windows, Linux
- Keyword: game engine, fight, shooter
- Code language: C
- Code license: 2-clause BSD
- Code dependency: SDL
- Developer: Evil Mr Henry