The Talos Principle. After a short bit in the game, you go to a hub area that goes to other areas like the one you just came from. Eventually, you find out that there is another hub area above this which leads to other hub areas. I didn’t remember if there is another layer on top of that, but either way, once I hit that second hub layer, I remember realizing that the entire game was multiple times larger than I had thought, and I had no way to know if it would expand again when I made it to the next area.
This post just reminded me to turn off my Bluetooth. I hope someone is able to provide an answer