"Ninja Force" and "Ninja Showdown" are two good free 3-D ninja games. "Ninja Force" is available at Miniclip.com, and "Ninja Showdown" is available at Online3DGames.net.
In "Ninja Force," players use their ninja's agility skills to travel around the world. They fight opponents using traditional Japanese weapons in an ultimate quest to find and defeat the boss. Players win Miniclip awards for their efforts.
"Ninja Showdown" is a one-on-one fighter game in which players choose characters and fight other ninjas. To defeat opponents, players can kick, stab and use their character's special attacks. As of 2015, the game has a four-star rating at Online3DGames.net.