A game you "didn't know it was bad 'til people told you so"?
I'm talking about games that you still like but you had no idea were criticized so much.
The perfect example for me is Sonic Unleashed.
I admit that the game has its bad things, but I would have never imagined that it was so hated at the time... Although, that could be extended to the entire Sonic franchise, since for many years I was not aware at all of that "Sonic was never good", "Sonic had a rough transition to 3D" nonsense.
The original Mass Effect was great, a classic, but 2 and 3 had less and less of what I'd loved about the first game. By the time I got to 3, I was playing because I felt invested in the story and characters, not because I found the gameplay enjoyable. Andromeda wasn't quite as enjoyable as ME1 to me, mostly because I didn't connect with the characters as much, but the story was surprising and original, fights were exciting, and the gameplay had a lot of interesting new elements that made the scenario feel immersive. It's really too bad that so many people didn't like it.
I really wish this had been one for me, but I've never been able to make it more than halfway through despite a few good faith attempts. I am really glad you had a great time with it, though!
The beginning of the game is really bleak, but it makes the scenario of trying to colonize a lifeless planet feel all the more real IMO. After you meet aliens and start terraforming planets, it starts to be more what people wanted out of it, I think.