Project wingman. I was expecting a silly arcade flight sim with a passable plot. I did not expect the emotions. Soundtrack is peak. Also hella immersive in vr.

Edit: I realized the comm after I posted. In that case I'd probably go with fallout 3. Just wandering around uncovering secrets with no guides was great. Plus being able to experience liberty prime football tossing nukes while spouting jingoistic one liners as if it was the first time would be amazing.