Ninja Gaiden Sigma 2  

• Manufacturer  Tecmo
• Release Date   9/29/2009 
• Platform(s)   PLAYSTATION 3 
• Part#   018946010625 
• ESRB Rating   Mature 
• Edition   Standard 
• Age Range   17.0 - 20.0 Years 
• New Playable Characters - Ninja Gaiden's Rachel, Ayane from Dead or Alive and Momiji from Ninja Gaiden Dragon Sword appear as sexy new playable characters
• Online Co-op - Two people can engage in online co-op play, with voice chat, in 10 different stages (in 4 difficulty settings) to complete special missions. Rankings from each mission are recorded and posted online, where gamers can choose their opponents based on players' mission stats.
• Visual Diversity - Over 30 unique characters, 17 stages with a variety of environments, and a storyline which unfolds in 70 impressive cutscenes
• New Enemies - A variety of new enemies and bosses have been incorporated into the stunning enhanced environments
• Variable AI - Contributing to the increased difficulty level, the gameplay differs each time you appear in a level as enemies engage in a variety of different actions as they assess the current situation