- Home: http://nyaatrap.blog.fc2.com/blog-entry-20.html
- Media: https://web.archive.org/web/20160422072505/https://lgdb.org/game/star_maiden_rio
- State: mature
- Download: http://www.mediafire.com/file/jog3fcfxgsyd03f/Astraea_Rio-1.05-all.zip/file
- Keyword: adventure, visual novel, for adults
- Code language: Ren'Py
- Code license: MIT
- Code dependency: Ren'Py
- Assets license: CC-NC (see readme.txt)