GrE writes, "The only real exception is for PS3 owners. Ninja Gaiden Sigma 2, the PS3 game based on the 360 exclusive, hits store shelves this week. Polished up and given some additional content, this is a great gem for those who missed Ninja Gaiden 2. Other than additional content, the biggest difference between the games is that Sigma 2 contains noticeably less gore. The franchise is known for the buckets of blood that pour out from dismembered enemies. Don't worry though, the game remains extremely violent..."