Just a couple notable titles:
If we’re going off of Steam Year In Review:
The Long Dark.
Every winter I'll start a new survival mode sandbox. 600 hours of gameplay. I have games I played for longer, like Borderlands 2, but I keep playing the Long Dark, and for many winters to come.
Satisfactory, Valheim, The Riftbreaker, and Necesse are favorites of mine that I come back to a lot
Red dead 2, Horizon Zero Dawn, Cyberpunk 2077, Death Stranding, Control, and Hogwarts Legacy just to name a couple. I don't have a favorite game but those would probably be my top picks.