Gotham Knights Online(202) Access

You can manage who joins your game via the "Social Wheel" (Left on D-pad or 'C' on PC) or the Pause Menu. Settings include Public, Friends Only, or Invite Only. Key Online Features Gotham Knights | The Definitive Co-Op Review

The entire story campaign can be played in two-player online co-op. This mode features a seamless drop-in/drop-out system, allowing a second player to join or leave without interrupting the host's progress. GOTHAM KNIGHTS ONLINE(202)

Specifically, complete the mission "The Langstrom Drive". You can manage who joins your game via