Question: ps4 games that are co op?
Answer: Warframe.
Deep Rock Galactic. ... 
Far Cry 5. ... 
Don't Starve Together. ... 
Keep Talking and Nobody Explodes. Co-op type: Local. ... 
Rainbow Six Siege. (Image credit: Ubisoft) ... 
Trine 4: The Nightmare Prince. (Image credit: Frozenbyte) ... 
Lego Marvel Super Heroes 2. Co-op type: Local and online. ...