GT provides us with an exclusive Ninja Gaiden Sigma trailer. This game is set for release on the Xbox 360 and PS3 platforms in June (US). Continue reading to watch. Sigma can best be described as a remastered version of Ninja Gaiden for the Xbox. With all of the content from Ninja Gaiden Black in tow and a healthy dose of new and enhanced content to encourage existing fans to plunk down $60

GT provides us with an exclusive Ninja Gaiden Sigma trailer. This game is set for release on the Xbox 360 and PS3 platforms in June (US). Continue reading to watch. Sigma can best be described as a remastered version of Ninja Gaiden for the Xbox. With all of the content from Ninja Gaiden Black in tow and a healthy dose of new and enhanced content to encourage existing fans to plunk down $60