Yes, you can play the whole game co-op — with some limitations
source https://www.polygon.com/guides/23415289/gotham-knights-multiplayer-co-op-cross-play
Everything you need to know about Gotham Knights’ multiplayer
Yes, you can play the whole game co-op — with some limitations
source https://www.polygon.com/guides/23415289/gotham-knights-multiplayer-co-op-cross-play