Multiplayer shoot em up games for PlayStation 5 with 4-player local/couch support

Astrosmash

Players: 4 local, 4 online

I Got Isekai'd Into a Shmup

Players: 4 local, 0 online

Overdriven Evolution

Players: 4 local, 0 online

The best multiplayer shoot em up games for PlayStation 5 with 4-player local/couch support, including Astrosmash, I Got Isekai'd Into a Shmup, Overdriven Evolution. See if the games support online, couch, and split-screen play, whether the game has a cooperative campaign or separate multiplayer modes. Find out the number of players supported and check out ratings of multiplayer games.