If you enjoyed playing Ninja Gaiden Sigma Plus on your PlayStation Vita when it was first released earlier this year, then you will be delighted to hear that Tecmo Koei and Team Ninja are planning on bringing Ninja Gaiden 2 to the PlayStation Vita as well in the form of Ninja Gaiden Sigma Plus 2. There is little information about the game at the moment considering it was just announced during Tecm...