Updates to Team Fortress 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Team Fortress 2
Fixed an exploit that allowed Engineers to build level 2/3 mini sentries.
Fixed a bug that allowed sapped buildings to be picked up by the Engineer
Fixed a bug where Wrangled level 3 sentryguns would still fire rockets when they were out of ammo.
Fixed a bug where players would go into reference poses when switching classes whil... [read more]

Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:
Removed left4dead2\pak02_dir.vpk from the whitelist.
Get the full article at store.steampowered.com

Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:


Changes:
New mutation: Four Swordsmen of the Apocalypse

Addon Changes:
By default in single player and co-op gamemodes custom content will eclipse game content.
Addon campaign’s custom content now loads first to avoid conflicts.
In competitive modes addon loading is a server option.
Fixed an exploit that allowed people to modify materials ... [read more]

Robot Entertainment Project 1 [untitled] (PC)Something new from the people who brought us Age of Empires.
Get the full article at ign.com

Team Fortress 2 (PC)More maps and achievements for your hungry trigger finger.
Get the full article at ign.com

Updates to Team Fortress 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Team Fortress 2
Fixed missing class descriptions on the class menu blackboard.
Fixed a server crash related to carrying buildings.
Fixed a HUD element issue in DX8.
Get the full article at store.steampowered.com

Updates to Team Fortress 2, Counter-Strike: Source and Day of Defeat: Source have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Engine
Fixed client crash related flashlight usage.
Fixed several issues related to alt-tabbing (invisible players, etc).

Team Fortress 2
Added The Frontier Justice.
Added The Wrangler.
Added The Gunslinger.
Added The Southern Hospitality.
Added 35 Engineer achievements.
Engineers can now picku... [read more]

Updates to Counter-Strike: Source and Team Fortress 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Counter-Strike: Source
Fixed incorrect stat collection by forcing all dedicated servers to update to the new version.

Team Fortress 2
Fixed a Mac client crash that occurs when joining a server
Get the full article at store.steampowered.com

Updates to Counter-Strike: Source have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Counter-Strike: Source
Fixed a crash that could occur after the bomb exploded.
Fixed a crash that could occur when attempting to exit the game.
Changed default values of the following server variables to reflect the increase of the default tick rate from 33 to 66:
sv_mincmdrate - 10
sv_maxcmdrate - 66
sv_maxupdaterate - 66
Marked ‘d... [read more]

Team Fortress 2 (PC)Win a Golden Wrench and brag to your friends.
Get the full article at ign.com