The Orange Box (Xbox) tutorial: how to create private lobby on Team Fortress 2 

use private slots like 7 or 16 players to invite people on Xbox.
on Xbox One/Series console use Back and Start to use 360 Guide use friend list to create invite and start game.
no mean players, no mod players. just have fun
you want to play with on Team Fortress 2?
GT: UniLoudPlus