Host Multiplayer Game
Step 1: Install Radmin VPN and create a network Download and install Radmin VPN. In the main Radmin VPN window, click "Create Network".
Enter the network name, password and click "Create".
Step 2: Ask your friends to join the network Send your friends the name of the Radmin VPN network and the password to join to this network.
Step 3: Run Call of Duty: Black Ops III Step 4: Add the server to the firewall exceptions You need to add rules to the firewall. Open Radmin VPN -> System -> Firewall Exceptions and add Call of Duty: Black Ops III (blackops3.exe) to the exceptions.
Step 5: Create game Go to the game main menu and click "Play Local".
Click "Multiplayer".
Setup new game and "Start Game".
Join Multiplayer Game
Step 1: Install Radmin VPN and connect to the network Download and install Radmin VPN. In the main Radmin VPN window, click "Join Network". Enter the Network Name and Password and click "Join".
Make sure you and your friends are on the same network.
Step 2: Run Call of Duty: Black Ops III Step 3: Add the game to the firewall exceptions You need to add rules to the firewall. Open Radmin VPN -> System -> Firewall Exceptions and add Call of Duty: Black Ops III (blackops3.exe) to the exceptions.
Step 4: Join the game Go to the game main menu. Press "~" and open the game console. Type in the following command to connect to your server: connect GameServerIP, where GameServerIP is game server IP from Radmin VPN (for example: "connect 26.12.125.71"). Press "Enter".