Assassin's Shadows is a game where you play as legendary shinobi taking on an apprentice, a young samurai woman, Aira, from a fallen clan that wishes to learn from you and avenge her clan through becoming a legendary shinobi herself.

The game features assassination stealth play as well as quick time event combat. Help Aira stealthily make her way to her target bypassing various obstacles that stand in her way. She'll not only rely on her stealth and combat skills but also have to use her wit to bypass traps and solve puzzles that the samurai lords use to protect their homes and castles.

In between missions, you'll have moments where Aira serves you. You can treat her gently or have more of a SM relationship with her. This affects not just the scenes you experience but also the ending of the game. Coupled with some special achievements in the game, it offers another playthrough.

The game is a stealth assassin game with elements of quick time events, coupled with puzzle solving, including obstacles like traps and riddles. Thus, the genre is 2D Stealth Action Game with Puzzles. Features include sneaking around the map to assassinate enemies and catch them by surprise as they patrol the area. Some enemies you must duel in a boss fight, which is action-oriented.