Ninja Gaiden 3: Razor's Edge is an upgraded version of Ninja Gaiden 3 for Xbox 360, incorporating all downloadable content from the original game alongside various enhancements. This iteration offers refined gameplay mechanics, improved graphics, and the addition of new abilities, positioning it as a more complete experience akin to the Ninja Gaiden Sigma series.
Ninja Gaiden 3: Razor's Edge is an enhanced port of Ninja Gaiden 3 that includes all downloadable content from the original title, as well as additional enhancements made to improve the game. The game can be considered an equivalent to the Ninja Gaiden Sigma games, as it enhances the original title.