Gotham Knights is an open-world action RPG set in a dynamic Gotham City where players control Batgirl, Nightwing, Red Hood, and Robin after Batman's death. The game features solo and four-player co-op missions, a crime-fighting combat system, and a narrative focused on the Knights' struggle against the Court of Owls. Players can customize abilities, upgrade gear, and explore five boroughs, with side activities and a progression system that rewards teamwork and exploration.