Ninja Gaiden II ( Ninja Ryūkenden 2: Ankoku no Jashin Ken - Japan) (April 1990)
Ninja Ryūkenden 2: Ankoku no Jashin Ken (忍者龍剣伝II 暗黒の邪神剣, released in the USA as Ninja Gaiden II: The Dark Sword of Chaos) was developed and published by Tecmo for the Famicom on April 6, 1990.