Ninja Crusaders is an action-platformer published by American Sammy for the NES. You play as a ninja, fighting through levels to defeat an evil force. The gameplay involves platforming, combat, and using a variety of weapons like shurikens and swords. A unique feature is the "transformation" system – you can transform into different animals like a bird for flight or a dragon for powerful attacks for limited periods, gaining new abilities and advantages. The levels include various environments like forests, caves, and castles, each with unique enemies and obstacles. The game features a health bar and a continue system. A trivia: the game was developed by Sammy and is a lesser-known title, but it has gained a cult following for its transformation mechanic. The graphics are colorful and detailed, with a classic ninja theme and well-animated sprites. The music is fast-paced and energetic, composed by the Sammy sound team, with a traditional Japanese feel. Critics praised the transformation mechanic and the action. It supports one player. The final boss is a demon lord that requires all your transformations and skills to defeat. Ninja Crusaders is a solid action game for ninja fans.