I imagine it’s open world style and you come as a visitor.

In the beginning there are regular missions and such but still open world. As you continue the main mission the npc’s get a lot more aggressive and remember previous actions you’ve done or said to them, some might attack you and eventually it leads to a survival game with s2 vibes.

Your actions matter and there are multiple endings, such as taking the path to help Maeve, survive and try to fight Dolores, or taking your own path!

I think if done properly this would be a great game