Babylon’s Fall supports complete co-op through the entire game. This guide on How To Play With Friends In Babylon’s Fall explains how the party system works so you can some of your buddies can group up and enjoy Babylon’s Fall campaign through co-op play.
It’s worth noting, before diving into trying to get into a group with friends, there are some restrictions. Babylon’s Fall does support cross-platform play between both PlayStation 4, PlayStation 5, and PC, but it does not support cross-region play. The region is not determined by your PSN account or any VPN or anything, it’s based on the Square Enix account you created when you started Babylon’s Fall.
How To Play With Friends In Babylon’s Fall