Developed by Tecmo’s Team Ninja, the critically acclaimed Ninja Gaiden series has been lauded as one of the most intense and exciting action video games ever created. The previous Ninja Gaiden on Xbox achieved an average review score of 92% (taken from over 100 individual reviews), with Ninja Gaiden Black, also on Xbox, achieving 94% (source: Gamerankings.com). Ninja Gaiden Sigma will be the first next-generation game in the series, following the adventures of Ryu Hayabusa, the original Ninja.