The Plan is an experimental short videogame, free for PC, Mac and Linux.
Take a look at Among the Sleep, a commercial game from the same developers.
The mirror includes all 3 versions (windows, linux and macintosh) if you want to download single game versions please visit the official site.
The Plan (windows-linux-mac)
273.0 MiB - 466 downloads
Downloading it.. cool trailer (seriously) not sure what the game will be about 🙂