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.
Play the Lemmings Forums community pack: 240 singleplayer puzzles.
Play NepsterLix, Clam's, and Rubix's levels: 377 extra singleplayer puzzles.
Play networked multiplayer. Who can save the most lix?
Build your own single- and multiplayer levels: Select "Edit" or "Create Level" in the singleplayer browser.
The most recent version is 0.9.x.
Arch Linux Lix package by Lucki
Mac and other Linux distros may build from source, see below.
E-mail: s.naarmann at the gmail.com
IRC: irc.quakenet.org #lix, chat in your browser.
Lix board on lemmingsforums.com, I'm Simon there.
I thank Carlos Orta Jr. for the nifty design of this website!