Third-party titles for Wii U make surprise appearances at the show.
http://www.nintendoworldreport.com/news/31816
Namco Bandai and Tecmo Koei both have playable Wii U demos at this year’s Tokyo Game Show.
Namco Bandai is demoing both Tekken Tag Tournament 2 and Tank! Tank! Tank!. Koei Tecmo is showing off Musō Orochi 2 Hyper (Warriors Orochi 3 Hyper in the West) and Sangokushi 12 (Romance of the Three Kingdoms 12).
Romance of the Three Kingdoms 12 is set to launch this December in Japan while Tekken and Orochi are set to come out on December 8, the Japanese Wii U launch. The release date for Tank! Tank! Tank! in Japan is currently undecided.