Left 4 Dead 2 has been released by Valve, along with Portal, on Steam for Linux and the game has already received an update.
Left 4 Dead 2 is an FPS zombie-killing cooperative game, developed by Valve with millions of fans all over the world.
Highlights of the latest Left 4 Dead 2 patch:
• Some mutations have been updated in order to remove instances of invalid weapons or enemies;
• The Cold Stream image has been fixed in the Campaign select menu;
• A possible insta-kill, that occurred when shoving a jockey who is mid-leap, has been fixed.
• A few maps have received a few upgrades.
More details about this release can be found in the official announcement. Keep in mind that the Linux version of this game is still in Beta and bugs are bound to appear.