Ninja Gaiden II - The Dark Sword of Chaos is an online NES game that you can play at Emulator Online. This free Nintendo game is the United States of America region version for the USA. It has been played 2,465 times so far and was posted on September 1, 2016. Ninja Gaiden II - The Dark Sword of Chaos is a single title from the many arcade games, skill games and ninja games that we offer for this console. If you enjoyed playing this, then you can find similar games in the nes games category. Ninja Gaiden II - The Dark Sword of Chaos game is from the various retro games on the site, and there are more games like this, including Pokemon Greninja-Z, Sonic Gaiden and Street Fighter III: New Generation.