But what if you are using a cracked (unauthorized) version of the game? The official Steam multiplayer system relies on Steamworks matchmaking and authentication. So, how do you bypass that? Can you host a server for you and your friends using non-legitimate copies?
: Right-click your game shortcut, go to Properties , and in the Target field, add -nosteam at the very end (e.g., "...ProjectZomboid64.exe" -nosteam ). how to play multiplayer in cracked project zomboid install