Just started this game finally, playing it on PS4.
Very impressed so far, such a gigantic interactive world and game. The number of in game systems is huge, almost overwhelming at first but you get used to it. The UI is also something that takes some getting used to, with as many systems as they're juggling designing a UI for it is a challenge.
Definitely an impressive game though, good to see a game with such depth still being made, when the opposite is going on in most of the gaming world.
Def. a time sink game, I played like an 8 hour session that absolutely flew by. Reminds me of WoW in that you never feel like you're at a good stopping point, there's always just one more thing you think you can do before you stop, repeated indefinitely.
In conclusion, Witcher 3: