BlueMooner: Just an idle topic of conversation. Are you the kind of person who plays a game once and then you're done with it, since you've experienced it? Do you play certain games over and over and over because of... reasons? A mix of both?
A mix.
Maybe for most games, even good ones, once is enough. Take for example Thief Gold and Thief 2, they were quite good (with some annoying aspects, like the zombies or other enemies that needed extra measures to get rid of, holy water and whatnot), but I don't really feel like replaying them. Or Baldur's Gate 2 etc.
But then there are some games that were overall so enjoyable to play that I later get an itch to replay them. Quite often they don't have those annoying parts which remind me why I don't want to replay them. And for RPGs in general, they are just so big and time consuming that replaying them... ugh.
Third thing are games which you never really finish. For me e.g. Team Fortress 2. Naturally I "replay" such games as long as I find some enjoyment in them, but maybe the scope of this thread was just games that one can actually finish.
The games that I tend to replay seem to be usually either RTS or FPS games, but I don't know if that is a mere coincidence, as they just belong to my favorite genres overall (at least historically).