Dr Chaos ROM Download for Nintendo (NES) on Emulator Games. Play Dr Chaos game that is available in the United States of America (USA) version only on this website. Dr Chaos is a Nintendo emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Dr Mario, Ninja Gaiden 2 - The Dark Sword Of Chaos and Double Dragon 2 - The Revenge as shown below. Dr Chaos works on all your devices in high quality.