I'd say RPG's for the most part. I like a good story, but it just gets dull to me, especialyl leveling up. The only RPG I ever enjoyed with Mario RPG, which set the bar far too high.
Racing games don't really interest me, although whenever I play them I do really good. Perhaps that's the problem, but yeah.
Fighting Games are not as good at keeping my attention as when I was younger. They feel too limited for me now.
Oh, and I actually enjoy golf video games. I never exspect too, but they seem to amuseme a great deal for reasons I cannot comprehend.