First, make sure that your firewall/antivirus not blocking network functions of the game. Also, you should open the game port (25565) on your router.
First, register the new Hamachi network and add all player’s computers to it.
STARTING NEW SERVER
Select MULTIPLAYER in the Main Menu.
Press ‘Create Game’ to start setting up a server.
Enter the game name.
Set who can join the game:
1. Private game - only users from your network.
2. Public game - everyone.
Then, you should tell your Hamachi IP to other players so that they could join to your server.
Set players limit: from 2 to 6. (First 2 players will be connected as Commanders. Other players will be connected as Combat avatars)
Press ‘Create Game’.
Now you are connected as server. Then, you can configure the match while waiting for other players.
CONNECTING TO THE SERVER
If you are Client Player - press ‘Join Game From IP’ button.
Enter server’s IP from Hamachi.
Press ‘Connect’ button.
Now you are connected to the game as Client.
You can see the name and status of the player, who joined this game.
Use Chat to send messages to all players, or only to members of your team.
Press "READY" to start game.
NOTE: The match will begins only when the status of all players will be changed to "IS READY".