Running With Scissors released the multiplayer version of Postal 2: Share the Pain for free.
The MP FPS includes 14 multiplayer maps, 25 playable characters, 11 crazy weapons and 4 different gametypes.
Description: 14 multiplayer maps
25 playable characters
11 crazy weapons
4 different gametypes
You can download directly from the Guru3D.com download mirrors if you like to kill some time.
Postal 2 Share The Pain MP Full Version free download