To celebrate the Halloween spirit, Valve has released a new patch for Team Fortress 2. The update adds a variety of Halloween related features that includes new hats, five new update-specific achievements, exploding pumpkins, ghosts, new community King-of-the-Hill map, a Halloween edition Harvest event, bug fixes and a few other holiday features.

Attention, Steam users: Steam has released a new client update to address a few issues that some Windows 7 users have encountered while using the service.

Valve has released a new patch for Team Fortress 2. The sizable update, now available via Steam, adds new commands, new variables and a ton of fixes. Check out the full changelog after the jump.

Heads up PC gamers! Valve  has released a new patch for their highly successful first-person shooter game Left 4 Dead. The latest update, now  available on Steam, fixes a few bugs and makes the mm_dedicated_search_maxping available to allow users to set the maximum acceptable ping for a dedicated server.

Capcom and Swedish studio GRIN announced today that Bionic Commando is heading to Steam. The game is now available for pre-purchase. As an added bonus, Steam is offering  a 10% discount for those who will pre-order the game prior to its scheduled release on July 28th.

This is one deal that cements Steam's reputation as a great source of game deals. They're currently offering 20 2K Games titles for just a bit over the price of one new triple-AAA PC game. The games included in the pack aren't slouches either. Details after the jump.

Looking for a great deal this weekend? Well Steam's got you covered. This week, Steam is offering Fallout 3, the multi awarded action role-playing game from Bethesda at 50% off its original price.

Valve has released a new update for their co-op survival shooter game Left 4 Dead. The latest update, now available via Steam, fixes some issues from the earlier release and restores the ability to vote for a new campaign in Versus mode.

Valve Corporation has announced that its first-person zombie shooter game Left 4 Dead will receive a new update next week via Steam. So obviously this is for the PC version only, sorry Xbox 360 gamers. The update will focus on custom campaigns and introduces additional features.

Would you like to play Unreal Tournament 3 Black for free? Then May 28th is the date for you as Epic Games and Steam are offering a Free to Play weekend starting on that day. Black is Steam's version of the game, which consists of both the original title and the Titan Pack expansion.