Ninja Gaiden has been around for ages. From the first games on the NES until the newest title on the PS3, we've been through a lot with Ryu Hayabusa. Ninja Gaiden Sigma is the current culmination of the journey. The game isn't a sequel, nor is it a port of the Xbox game. Sigma falls somewhere in between. With enhanced graphics and tweaked gameplay, there's something for all fans of the series. Here is a breakdown of some of the facets of Ninja Gaiden Sigma for the PS3: 4/5