Mark of the Ninja GOG.com Key GLOBAL

The age of silent, stealthy, deadly ninjas is not over! Become one of them in Mark of the Ninja, a Klei Entertainment action adventure.
An immersing story coupled with awe-inspiring animation and scenery is sure to have you loose track of time and sense of reality while you’re playing the game! You have a choice of becoming a silent assassin or an invisible ghost as you make your way through the story, gathering the perfect toolset for your style of play.