For me it's Diablo II. Granted I've played my fair share of D2 since launch, and also recently on a private server with a comrade from hexbear, but I still feel like years later the game didn't grab me as much as D1 did.
Granted I don't hate D2, but for a game that I keep coming back to, D1 takes the prize.
Grow home. I loved and still adore that game but for whatever reason the sequel grow up doesn't feel the same. It feels like it has less soul than the first
Same, it's lost something important