The upcoming Samurai Warriors 3Z won't make its intended Japan January release. According to Koei Tecmo, the game was pushed back for added improvements. The delay is one month.
The game will be released on February 10 in Japan. Samurai Warriors 3Z is a PS3 version of Wii exclusive Samurai Warriors 3.
There is also a Wii version of Samurai Warriors 3Z with added content. The game is also moved to a February release.