I mean , isn't the point of an open world unrestricted movement? Like I said, if you don't want me to go somewhere, make it impossible for my to reach with either terrain, walls, or something physically visible/impassible. Don't have an invisible wall or the turn back now warning. I have hit the turn back now warning once and it also was like a dagger in my side. Where it really got me was in the old russia, I jump into the explore part and start to head over the the divide section. You know, the place where you originally found your ship. So I am still in the main old russia section of the map, and heading up the stair to go into the building. I saw that the ceiling of the building was blown out and thought, you know what, that would be an awesome vantage point to snipe the fallen hanging around the field with the downed ship. I start climbing/jumping up only to be met by the invisible ceiling. Talk about a disappointment. I was well within my double jump range.