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How to play multiplayer in Project Zomboid Build 42: Koomarr's Guide Koomarr's tutorial discusses how to set up and play multiplayer in Project Zomboid Build 42, using a modification and a program to create a virtual LAN (Hamachi). It explains the setup process for both the host and the player joining the server.
How to play multiplayer in Project Zomboid Build 42: Koomarr's Guide
1. 🎮 Introduction to multiplayer in Project Zomboid Build 42 and downloading files
  • ✅ This mod enables multiplayer without split screen in the latest Build 42 update.
  • ✅ You need to download three files from the link in the description: B42 MP Launcher Windows, Launcher and Lips, and B42 MP.
  • ✅ Extract the files and put them into the main game folder, agreeing to replace files if required.

FileDescription
B42 MP Launcher WindowsLauncher to start the game in multiplayer mode
Launcher and LipsAdditional files needed for the launcher to work
B42 MPMultiplayer modification
00:00 - 00:52
1. 🎮 Introduction to multiplayer in Project Zomboid Build 42 and downloading files
  • ✅ This mod enables multiplayer without split screen in the latest Build 42 update.
  • ✅ You need to download three files from the link in the description: B42 MP Launcher Windows, Launcher and Lips, and B42 MP.
  • ✅ Extract the files and put them into the main game folder, agreeing to replace files if required.

FileDescription
B42 MP Launcher WindowsLauncher to start the game in multiplayer mode
Launcher and LipsAdditional files needed for the launcher to work
B42 MPMultiplayer modification
00:53 - 01:36
2. ⚙️ Hamachi server configuration and Project Zomboid server startup
  • ✅ The host creates a new network in Hamachi, entering the network ID and password.
  • ✅ The Hamachi network ID and password should be sent to people who are to join the server.
  • ✅ The server is started via the B42 server start file.
  • ✅ Enter the server administrator password twice in the console.
  • ✅ After the server opens, a mem message will appear.
01:37 - 02:34
3. 🚀 Starting the game via B42 MP Launcher and connecting to the server (host)
  • ✅ After starting the B42 MP Launcher, select the main Project Zomboid folder.
  • ✅ Select the latest version of the game.
  • ✅ After starting the game via the B42 MP launcher, a multiplayer option will appear in the main menu.
  • ✅ The host copies their IPv4 from Hamachi and pastes it into the IP field in the launcher.
  • ✅ The server password is not entered.
  • ✅ Enter the username and password for the character.
02:35 - 03:40
4. 🤝 Joining the server as a player (client)
  • ✅ The player opens Hamachi and joins an existing network, entering the network ID and password from the host.
  • ✅ Copies the host's IPv4 by right-clicking on the host in Hamachi.
  • ✅ Starts the B42 MP Launcher and sets everything up the same as the host.
  • ✅ Pastes the host's IPv4 into the IP field.
  • ✅ Enters the username and password for their character.
03:41 - 04:04
5. ❓ Problems and conclusion
  • ✅ If you have any problems, you can ask in the comments or on Discord.
  • ✅ The author apologizes for any chaos in the material and asks for a subscription and a thumbs up.
ProjectZomboidBuild42MultiplayerPoradnikKoomarr