Ninja Gaiden II was initially released for the Xbox 360, marking a significant entry in the Ninja Gaiden series by Team Ninja and Tecmo.
Ninja Gaiden Sigma 2, an enhanced port of Ninja Gaiden II, was released for PlayStation 3 featuring improved graphics, new gameplay mechanics, and additional content.
Ninja Gaiden Sigma 2 Plus, a further enhanced version optimized for PlayStation Vita, was released. It included new playable characters and other added features, expanding the game's accessibility to handheld players.