- Home: https://web.archive.org/web/20210506165721/http://www.openalchemist.com/, https://sourceforge.net/projects/openalchemist/
- Inspiration: NaturalChimie
- State: beta, inactive since 2010
- Download: https://sourceforge.net/projects/openalchemist/files/
- Platform: Windows, Linux
- Keyword: puzzle, content open
- Code repository: https://svn.code.sf.net/p/openalchemist/code (svn)
- Code language: C++
- Code license: GPL-2.0
- Code dependency: ClanLib
- Assets license: CC-BY-SA 2.0
- Developer: Antoine Morineau (@graphics), Gecko667, guigoz, Guillaume Delhumeau (@code), MrPouit (@packaging), silkut (@port)
Falling block puzzle game.