Abzu definitely is a mostly an awe-inspiring game that's relaxing, but the swimming in it, just like the gliding in Journey, for me, is also definitely fun. But I understand what you mean. I think you shouldn't describe a whole game as fun or not fun, but in which sense it's fun, what the main focus is of the game and if it's trying to do something different or not. It's a very difficult subject to really explain in words.
Only had one problem with resolution, but that's bc I have an nVidia surround set-up with 3 monitors, which I regularly have issues with especially when nVidia isn't involved in development
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