But now one of the best games (IMHO) on any platform is about to become one of the best games for Linux.

FORBES: Not A Lie: 'Portal' And 'Left 4 Dead 2' Arrive On Linux

When you have a mainstream PC manufacturer and the leading digital distribution platform for video games both championing Linux, open-source proponents are bound to start cheering.

FORBES: Dell Slashes Alienware X51 PC By $100, Adds Ubuntu Linux Option

For an up-to-date third-party listing of games and applications that are currently in development for Linux, visit the Marlamin site.

ENGADGET: NVIDIA gets a little help from Valve, tweaks GeForce drivers just as Steam for Linux beta launches

For more information on how GeForce GTX GPUs are dramatically changing the way games are played and experienced on Linux, visit www.geforce.com.

ENGADGET: NVIDIA gets a little help from Valve, tweaks GeForce drivers just as Steam for Linux beta launches