Updates to Left 4 Dead 1 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Left 4 Dead

• Fixed a crash related to a Crash Course achievement
• Fixed an issue were bots and computer controlled special infected were being reported via “View Game Info”
• Added Team Versus 4 on 4 competitive matchmaking

Updates to Tropico 3 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Tropico 3 1.09

• Support for legacy ATI cards (fixes graphics issues on X19x0 and older models)
• Elections and rebel activities persist after regular play time
• Population and road element limits raised
• Music volume reset issue fixed