Today marks the 10th anniversary of Valve Software's classic first-person shooter Half-Life. As a special treat, Valve is currently selling the Source version of the PC shooter for a bargain 98 cents via its digital download service, Steam. The deal runs through Friday, November 21st at noon.
To celebrate the 10 year anniversary of the game that started it all, Half-Life is on sale for only 98 cents. Ends Friday, November 21 at noon PST.

Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
Happy birthday, Gordon.