Generally just online games where the changes are enough that they don’t play the same way that I enjoyed them. Counterstrike, WoW, Overwatch, and others all did reworks that ruined the gameplay I enjoyed.

Older single player games aren’t as fun because they are clunky compared to newer games, like Neverwinter Nights compared to Baldur’s Gate 3. But I didn’t fall out of love, just don’t enjoy interacting with their controls.