Kingdom Under Fire II has been in development for five years and originally slated for release in 2009. At that time, it was for Xbox 360 and PC. Blueside announced they would bring it to PS3 and a G-Star the developer said it will be a PlayStation 4 title.
What else has Blueside been doing all of these years? They made Princess Pajama for iOS, which started its life as a Nintendo DS game.