Who really needs motion control?

The big three hardware companies have poured millions of R&D money into perfecting complicated motion-capture devices in the hope of luring casual gamers, but the best party game I've seen at GDC does things the old fashioned way: with a button. One button, to be precise.

After attending the underwhelming unveiling of the PlayStation Move, I headed over to the Gamma IV party, hosted by the indie collective Kokoromi. Six games were on display, all of them controlled by one button. My favorite? A party game called B.U.T.T.O.N. (Brutally Unfair Tactics Totally OK Now) that blew everything offered at the Sony event out of the water. Check out the chaos below: