Instructions
Hosting an Xbox Live Game
Select a saved game to load from the "Lego Indiana Jones 2" main menu.
Select a level to play.
Press "Start" to access the menu screen.
Select "Xbox 360 Options."
Select your Xbox Live Settings. You can choose "Off," which means no one from Xbox Live can join your game, "Friends Only" to only allow people on your friends list to join, or "Everyone" allowing anyone from Xbox Live to join your game. At any time during the game, someone from Xbox Live can join.
Joining an Xbox Live Game
Select "Xbox Live" from the main menu.
Select a game to join from the list of games available.
Press "Start" once you have joined the game to take control of the second character.
Press "Start" and select "Exit Game" to leave the game.