Left 4 Dead 2 PZ Bots?

Valve, developer of Half-Life 2 & Left 4 Dead 2, released a patch for the Zombie Shooter Left 4 Dead 2. In the patch notes, it says “PZ Bots” enabled. What the hell are PZ?

Left 4 Dead 2

My best guess would be Player Zombies, but what they actually mean is “Infected Players” / SI. The new bots use the aggressive survival mode behavior in versus and scavenge.

Aside from that Valve patched some issues with cheaters who would leave a server before a vote ended in order to avoid a server ban. They also fixed several maps and added new content to the SDK.

You can read the full patch notes here.

Published: Saturday, February 6th, 2010 Last Modified: February 6, 2010

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