An update has been released for Left 4 Dead 2.

- Fixed a compatibility issue that was causing a crash on Linux clients.

An update has been released for Left 4 Dead 2.

- Fixed exploits used to crash remote servers.

An update has been released for Left 4 Dead.

- Fixed exploits used to crash remote servers.

An update has been released for Left 4 Dead 2.

- Fixed some exploits used to crash remote servers.

An update has been released for Left 4 Dead.

- Fixed some exploits used to crash remote servers.

Left 4 Dead 2 celebrates its 15th anniversary this weekend by going free-to-play until November 18th. Jump in for the first time to battle zombie hordes with your friends, or come back for the opportunity to finally earn the "Good Guy Nick" achievement!

An update has been released for Left 4 Dead.

- Fixed several crash and remote code execution exploits.

An update has been released for Left 4 Dead 2.

- Fixed several crash and remote code execution exploits.
- Fixed a crash on some NVIDIA graphics cards when shader detail is set to High.

An update has been released for Left 4 Dead 2.

- Player connect message is no longer networked to clients, to prevent exposing player IP addresses.

An update has been released for Left 4 Dead 2:

- Fixed a regression that blocked taking screenshots.