I'ven trying to play with one friend using hamachi, we already do all the steps...
Create the connection
IP and port
i dont know what more we can do q.q
Even we try to change host and close and re-enter the game, but still we cant join 
#I can't create private server with hamachi
trail locust
sacred glade
Did you see the FAQ and troubleshooting section of the guide yet?
opal bone
the person who hosts the hamachi server needs to press "Start Hosting" NOT CONNECT