Lix is an action-puzzle game inspired by Lemmings (DMA Design, 1991) with singleplayer puzzles, competitive networked multiplayer, and a level editor. Lix builds on Windows, Linux, and Mac. It's free and open-source software, placed in the public domain via CC0.
The most recent version is 0.9.x.
IRC: irc.quakenet.org #lix, chat in your browser.
Send email to eiderdaus at the gmail.com.