If they are in session, you can't join, or if they already have four players.
you cant
you cant
Maybe it's there because they plan to update it in the future so that you can invite players.
well you cant really play multiplayer without another xbox remote so sorry guess you cant.
because your lobby is full or your in a game they dont have
Answer is Bdg Game invite code 5245213956295
click on player you want to invite. and press invite to game
You invite all your freinds to the game in a "Private Match".
You go to an empty match then let people join or just invite them
u invite them to ur house click the game and invite them
no you cant
YOU CANT! TRADE IT FROM ANOTHER GAME hope i helped :)