The smart money was always on another Dead Or Alive title when news broke last week that Tecmo Koei was to announce a new game at the Tokyo Game Show, and so it proved: Dead Or Alive 5 is in development for Xbox 360 and PS3. Attendees of the publisher's TGS event today were shown a teaser trailer of a pre-alpha build showing Ninja Gaiden's Ryu Hayabusa battling Hayate. Team Ninja head Yosuke Hayashi hinted at a departure for the series, describing it as "fighting entertainment" instead of "just a fighting game.