> The only AAA game that I bought was "The Witcher 3" precisely for the back story, but after 5-10h of playing it just felt so repetitive that I gave up on it.

I went through the same thing with Witcher 3, but I tried again and once I got past the initial Baron storyline the game really hit its stride. That game has so many mini-stories that you can play for 100 hours and still have some interesting stories to engage with. I don't think I've played any game before or since with that many storylines.