Ninja Gaiden Sigma Plus is an upgraded version of Ninja Gaiden Black, with an improved combat system, updated graphics, new weapons, and the ability to wield dual katanas.Key Features:
- Unsheathe Ryu's blade and take on battle hardened enemies using the intuitive controls of PS Vita.
- Slice your way through an epic campaign that features a brand new difficulty level exclusive to PS Vita called Hero.
- Use your combat skills and ninja prowess to unlock multiple costumes for Ryu
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