Play Ninja Gaiden II - The Dark Sword of Chaos online in your browser and enjoy with Emulator Games Online! Ninja Gaiden II - The Dark Sword of Chaos is NES game USA region version that you can play free on our site. This game has arcade, action, skill, platform, ninja genres for Nintendo console and is one of a series of Ninja Gaiden games. If you love Ninja Gaiden games you can also find other games on our site with Retro Games. Below you will find control for the emulator to play Ninja Gaiden II - The Dark Sword of Chaos.