The One Piece: Pirate Warriors 2 is now available on the Japanese PlayStation Network (click here for instructions on how to get it). It features Luffy and Law as playable characters and even has a co-op mode! Anime Games Online’s Kaitou has downloaded the demo and recorded video showing off the opening and gameplay from it below. You’ll see that when Luffy uses Haki, Usopp pops out for a few seconds. For Law, Zoro does the same.
One Piece: Pirate Warriors 2 is an action/adventure in development by Tecmo Koei’s Omega Force. The game will be published by Namco Bandai Games in Japan (PS3/PSVita) on March 20, 2013 and Europe/North America (PS3 only) sometime in the summer of 2013.