Play Ninja Gaiden Games on Emulator Online. We have the best Ninja Gaiden games online for different retro emulators including GBA, Game Boy, SNES, Nintendo and Sega. There are over 13 online Ninja Gaiden games in our collection. All of the games that you see here are without download, pick any and start playing right away. If you enjoy the game, be sure to vote for it and leave a comment. Ninja Gaiden games that started it all back in the day are now playable free within your browser! Start by playing some of our popular Ninja Gaiden online games like Ninja Gaiden, Ninja Gaiden Trilogy, Ninja Commando and Ninja Gaiden II - The Dark Sword of Chaos.