Singstar (PS4) - launched with tons of missing features, bugs and glitches
Kinect Sports Rivals (X1) - didn't review well, bombed hard at retail, and was seemingly one of the last if not the very last straw that broke the camel's back in terms of MS dropping Kinect
Ass Creed Unity - Parity comments, bugs, glitches, and Ubisoft's shitty review practices