Valve patches PC Left 4 Dead

Valve have released a patch for Left 4 Dead, addressing a whole host of glitches and adding some general improvements for the co-op zombie shooter.

The patch is applied through Steam automatically, and will be coming to Xbox 360 in “the coming weeks”.

Patch notes are included below:

General

* Fixed Survivors being able to climb surfaces marked for versus infected only.

* Fixed a class of SurvivorBot bugs dealing with rescuing downed players.

* Players can no longer grab ladders while flying through the air after a Tank punch.

* Shooting near a car with an alarm that has already fired the alarm will no longer make chirping noises.

* Improved loading time.

* Fixed mini-gun physics exploit.

* Fixed propane tanks (and other physics objects) causing players to fall through elevators.

* Fixed rare achievement bug issues.

* Fixed several map exploits.

* Fixed various match making issues.

* Fixed NAT traversal issues.

Versus Changes

* Added HUD elements to show status of other infected players.

* Changed color of infected player name in chat to red.

* Fixed exploit where players could spawn infected bots

* Fixed instance where a Survivor changing to the infected team would be attacked by infected bots.

* Normalized special infected melee damage.

* Made the following client commands cheat protected: “Kill” and “explode”.

* Fixed exploit where infected players could run away and teleport back to gain health.

* Players can only change teams once per map.

* Players can’t change teams while other players are still loading.

* Tank spawns at the same % through the map for both teams in versus mode.

* Made the Tank and Witch spawn directly on the escape route.

* Increased chance of getting the Tank or Witch.

* Fixed team swap issue.

Hunter

* Easier to pounce a Survivor who is meleeing.

* Increased Minimum damage a Hunter pounce does.

Smoker

* Fixed Smoker tongue tolerance.

* Smoker now has to be killed or the tongue destroyed for the tongue to break.

* Survivor’s cannot bash someone off the tongue until the Survivor being pulled is paralyzed or hanging

* Tongue attacks that fail to paralyze or hang a Survivor will use the shorter ability delay timer.

* Fixed cases where the ability timer was not using the correct time.

* Fixed case where you could point at a Survivor but not register a tongue hit

* Fixed Smoker tongue not targeting and landing properly through PZ ghosts.

* Smoker tongue does damage every second while dragging paralyzed Survivors.

Tank

* Bashable objects now appear with a red glow.

* Tanks hitting a car with an alarm disables the alarm permanently.

* Tank frustration timer is only reset by hitting Survivors with rocks or fists.

* Reduced autoshotgun damage against Tanks.

Witch

* Witch spawns at the same % through the map for both teams.

* Avoids spawning within a certain % of the tank.

* Fixed an exploit where the Witch could be woken up and tricked into attacking Survivors.