1.Invite a friend to a player match
2. Search for a game mode that you wish to play
3. once you found a match back out
4. have a friend hover over custom class 1
5. switch over to combat training and as you switch have the friend press B quickly for acouple of seconds.
6. have to host back out
7. have friend invite you back.
8.then have your friend switch to wagr match and back to player match quickly
9. in the top right corner it should say "Core" if done corretly
10. wait for the timer to end and the match will begin with you and your friend.
the game will just keep playing with just you and your friends.
not sure if this has already been posted but i havnt seen anything about this