Thread's pretty long so I'm sure someone must have mentioned something similar by now, but one of my pet peeves which is really inconsequential is the lack of consistent UI, especially when you save your game. All console OS these days have default built in system interfaces for save file management. But they also allow developers to have custom save interfaces which avoid the default. I really love it when a game has a fully consistent interface even when saving, and everything is seamlessly part of the game's unique UI design. When I see the default system interface pop up, it makes me go "uggggggggggghhhhhhhhhhhhhhhhhhhhh" in my head. Lol.