Ninja Gaiden 3: Razor's Edge is an update of Ninja Gaiden 3 . It includes all the downloadable content made available on other platforms as well as some new changes. A new playable character, Ayane from the Dead or Alive series, is added with her own story mode chapters. An online co-operative mode is included where both Ryu and Ayane are playable. The controls use the PlayStation 3 Game Pad for tasks such as executing Ninpo, as well as displaying the combo chart. The Karma functionality from previous games in the series is reintroduced, allowing players to upgrade weapons, Ninpo, character health and move set.
The gameplay of Ninja Gaiden 3: Razor's Edge offers a challenging experience with fast-paced action and combat. Players control Ryu or Ayane as they navigate through levels, fighting enemies and collecting power-ups. The game features a variety of attacks, including Ninpo, which can be executed using the PlayStation 3 Game Pad. The Karma system allows players to upgrade their characters, making them more powerful.