A new batch of updates has hit Steam. This time, we've got a patch for Activision and Infinity Ward's excellent Call of Duty 4: Modern Warfare and Kaos Studios' Frontines: Fuel of War. This should make everyone's online play experience that much better. Check out the changelogs below:

Call of Duty 4: Modern Warfare version 1.6

• New maps Creek, Chinatown, Broadcast, and Killhouse
  
• Hardcore and oldschool server browser filters
  
• Fix for a Denial of Service attack
  

Frontlines: Fuel of War

• PunkBuster anti-cheat has been added
  
• Added Spawn Protection. To prevent spawn camping, players will spawn with a few seconds of invulnerability that will end if they perform an action
  
• Improved the Server Browser design and functionality
  

Buy: [ Call of Duty 4: Modern Warfare (PlayStation 3), (Windows), (Xbox 360) ]