Knights Online(202): Gotham

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

This standalone, arena-based mode supports up to four players. It consists of 30 floors of combat challenges with increasing difficulty, where teams must coordinate their unique abilities to survive. How to Unlock and Play Online GOTHAM KNIGHTS ONLINE(202)

Multiplayer is not available immediately; you must first reach a specific point in the story: You can manage who joins your game via