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:

Left 4 Dead 2

• Encore Mutation: Chainsaw Massacre
  

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

• There will now be three AvA zones, one for each major region of the world (Europe, North America, Pacific Rim).
  
  • The existing zone, Antartica G22, will be dedicated to the North American region. It will be open daily from 7:00 PM to 2:00 AM US Eastern time (4:00 PM to 11:00 PM US Pacific Time). All battles launched from this zone will run from servers based in Atlanta, Ga, USA (backup: London).
    
  • A new zone, Antartica E14, will be dedicated to the European region. This zone will first open on FRIDAY, JUNE 25, 2010. It will be open daily from 16:00 to 23:00 British Summer Time (17:00 to Midnight CET, 11:00 to 18:00 US Eastern).All battles launched from this zone will run from servers based in London, UK (backup: Atlanta).
    
  • A new zone, Antartica P12, will be dedicated to the Pacific Rim region. This zone is currently scheduled to first open on THURSDAY, JULY 1, 2010. It will be open daily from 17:00 to Midnight (Sydney Australia), 15:00 to 22:00 (Singapore), 07:00 to 14:00 (GMT). All battles launched from this zone will run from servers in Singapore (backup: Atlanta).
    
• The close time for the first season of all zones is being adjusted to August 1, 2010.
  
• Agencies may only own territory in one zone. If you have active hexes in one zone and wish to switch play to another, you must forfeit your territory prior to taking territory in a new zone.
  
• Each zone will have its own leaderboard and winners.
  
• AvA Components and Blueprints will be agency bound, and cannot be mailed or sold on the Auction House. Other AvA Items will continue to be sellable.
  
• The minimum time that an agency must be open for production has been adjusted from 120 minutes to 90 minutes.
  
• Bug fixed that caused some territories to be open at incorrect time.
  
• Bug fixed that caused a server-crash condition under a rare set of circumstances.
  
• Bug fixed that caused Mercenary PvP queues to fail under a rare set of circumstances.
  

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

- Fade transitions between game states.
- Loading screen text localizable.
- Ensure render thread is idle when application is terminated.
- Z-fighting in Water theme ghost blocks.
- Remade portal particle effect.
- Increased specular lighting in shadow area a bit.
- Ambient occlusion on pixel gates enabled.
- De-pixel particle effect halo added.
- Removed unsupported MSAA options.
- Improved resolution detection, fallback on desktop resolution if driver unable to report support display modes.
- Fixed multimonitor mouse input.
- Fixed "pure virtual call" crash on startup.
- Fixed initialization of XAudio2; letting XAudio2 determine speaker setup by itself.
- Added restart option in Pause menu.

The Scourge Project has been updated and will be on sale for $4.99/4.99€/4.99GBP for the next 10 days.

The update will feature the following list of fixes and improvements:

- Echo AI General improvements.
- Echo AI navigation improvements.
- Teleport problem with someone incapacitated experienced by some client.
- Crash when spamming the “E” key to enter and exit a stationary weapon.
- No auto team selection in multiplayer when coming from a Deathmatch server and entering a server with team based matches.
- Skipping system for Action Mode.
- Substitution of the metadata info from some servers in the server browser.
- Other minor fixes and improvements. Some character deformations experienced by some client in checkpoints 1 and 4 from level 3.
- Sound issues with the dropship experienced by some client.

Updates to Sniper: Ghost Warrior have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Fixes

• Fixed several game stability problems
  
• Fixed voice-over and texts errors
  
• Fixed sound errors (i.e. sound of knife stab)
  
• Fixed a few other minor gameplay bugs
  

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

SDK Launcher

'Half-Life 2', 'Episode 1', 'Episode 2', and 'Counter-Strike: Source' now default to the 'Source Engine 2009' engine configuration.
Users developing content for these games should manually add configurations for these games in the context of the 'Source Engine 2009' engine or can simply use the 'Reset Game Configurations' utility.