This is the most common way to play with friends using tools like Radmin VPN to simulate a Local Area Network (LAN). Sync Connections
: You must have a Steam account open in the background. The fix often uses a "spacewar" or "demo" exploit to trick Steam into allowing multiplayer traffic.
Playing multiplayer on a cracked Project Zomboid is possible but fragile. You will encounter: how to play multiplayer in cracked project zomboid install
Create a new server setting. Here you can adjust XP multipliers, loot rarity, and whether or not there is Permadeath.
Give it time. Cracked versions sometimes take longer to cache the server map. This is the most common way to play
Dedicated server - pzwiki.net
For a more stable experience without needing the host to be in the game, you can run a dedicated server using the StartServer64.bat file found in the game folder. Edit StartServer64.bat to configure server name. Run the bat file. Ensure your Radmin IP is used by friends. Playing multiplayer on a cracked Project Zomboid is
to create an account for your friend to use when they connect. The joining player goes to the menu and selects the IP Address : Enter the host's (found via "What is my IP" on Google). : Use the default Account Details
Some users employ a tool that uses a legitimate Steam copy (bought or borrowed) to download the game, then applies a "crack" that allows multiplayer via the Steam API without owning it.