Steam for Linux is coming, and Left For The Dead 2 will be the first game that will be supported in Linux. The good news is you can now vote for your favorite game titles in Steam community and get them included in the Steam Client.
Steam Greenlight is a new system where Valve developers post description, screenshots of games and asks the community for votes. If a game generates enough votes, it gets included in Steam client. Also it helps developers to create a community before the game is released and gather feedback from potential customers.
72 games have been added in the list Linux games in Steam Greenlight. Click here to go and vote with your Steam account.