Cooking Mama. For some reason the game read my motions so inaccurately I spent twenty minutes flailing my arms like an idiot trying to chop an onion. And Mama keeps making these ridiculous grunt/squeal noises every 30 seconds.
Marvel Ultimate Alliance. My best friend is obsessed with the 1st and the 2nd. I just plain hate that game so much. I bought for $4 thinking that i can get some easy gamerscore and, it was 4 bucks so who cares if it isn't that good. I now have that game beaten, but I regret ever playing it.