Optional: Customize the sandbox settings (loot, zombie speed, etc.). Click . If a firewall prompt appears, allow access. Wait for the console to say "Server is listening." Part 4: Joining the Server (For Players) Launch Project Zomboid. Click "Join" from the main menu. Direct Connect Setup: Username: Pick a unique name. Password: Set a password for your character. IP Address: Enter the Radmin IP address of the host. Port: Default is 16261 . Click "Join Server" . Troubleshooting Common Issues
Once connected, the computers can communicate as if they were physically connected to the same switch. This infrastructure is the backbone of playing multiplayer on non-verified versions, as it allows the game client to detect a "local" connection without routing through the official master server.
If you are using cracked mods, ensure they are placed in C:\Users\YourUsername\Zomboid\mods . how to play multiplayer in cracked project zomboid install
Playing multiplayer on a non-official or "cracked" version of Project Zomboid is possible, though it requires specific configuration since you lack access to the official Steam Matchmaking and Steam Workshop integration. To join friends or public servers, you must manually bridge the connection using local network tools or specialized "online fixes."
: Use the username and password created by the host in Step 2. Network Setup : The host must Port Forward 16261 (UDP) Wait for the console to say "Server is listening
Playing multiplayer on a cracked (non-Steam) version of Project Zomboid
Once the server is live and the host is in the game world, the remaining players can join. Because the server is not listed on the official browser, players must connect directly using the "Direct Connect" feature or the "Find Server" option within the LAN tab. Password: Set a password for your character
This guide will walk you through the process of setting up and playing as of June 2026. ⚠️ Important Disclaimer
Find the lines containing -Xms16g and -Xmx16g (the numbers may vary). Change these values to allocate RAM for your server.