Namco Bandai x Tecmo Koei Crossover is From Omega Force
Evidence of a Musou game.
Evidence has surfaced that the new crossover between Namco Bandai and Tecmo Koei is a Musou (Dynasty Warriors, Samurai Warriors, etc.) series game. The game's countdown site reveals that the team working on the game is none-other-than Omega Force, makers of the Tecmo Koei franchise.
Based off the bits and pieces from the teaser site, it's currently known that the new title will be for PlayStation 3 and is being produced by Omega Force. The burning hot mega rumor going around is that the game is One Piece Musou, a Dynasty Warriors-style game based off the One Piece franchise.
Namco Bandai appears to be updating the site daily with new hints, so check the teaser site tomorrow for another clue!