The postal2_sharethepain_demo.exe file you have requested: Official Demos / Postal 2: Share the Pain Demo - 155.83mb is not available. Perhaps try browsing all files for the game POSTAL 2 and upload any files you want to share or are missing. This is the only information we could locate:
Check out this new multiplayer demo for the Postal 2: Share the Pain expansion pack. This demo includes three multiplayer maps: one Capture the Flag and two Deathmatch.