Full uncut gore + Japanese audio for both games.
Ninja Gaiden Sigma Plus: The uncut gore is available only for the North American version of the game. How-to:
Ninja Gaiden Sigma 2 Plus: For crisp visuals and smoothest framerate possible, make sure to have the 1st & 3rd-person camera speeds set to their absolute fastest and don't forget to make use of the PSVshell + VitaGrafix plugins combo. How-to:
Alternatively, you can grab the clean edited saves: [Hidden Content]