Ninja Crusaders - Ryuuga is a Japanese NES game focusing on Ryuuga, a ninja involved in a story likely centered around combat and stealth. The game might feature action-oriented gameplay with a focus on ninja skills.  The game's history and development team remain relatively obscure, needing further investigation to uncover more details.

Ninja Crusaders - Ryuuga (Japan)

Niji no Silk Road (Japan) [En by Gaijin v1.01] (~Rainbow Silkroad)