Samurai Shadow Ninja is a challenging action game. Play more than Free Online Games. Samurai Shadow Ninjas are an ancient and noble warrior order with a legendary history. In this online action game, one must prove their worth as a member of this elite group by defeating talented enemies and avoiding traps while fighting in the jungle, desert and other exotic locations. The more the player plays this free online game, the more theyll unlock rewards such as powerful upgrades for your weapon and valuable new items to help you along the way.