I still play SP campaigns from time to time. I get in the mood and play a few, until it starts feeling old again, and then move on to other games. But I always seem to come back for more when the other games get old. STW is my favorite computer game, so I think I'll probably play it from time to time until I can no longer run it on my computer (technology advances and changes to the point where I can't conveniently run it anymore). I play MP from time to time also, but nowadays only on a private fakeserver with my m8s.