"Mark of the Ninja" is a stealth-based action video game developed by Klei Entertainment. Players control a skilled ninja who must navigate through various levels, using stealth and strategy to defeat enemies and avoid detection. The game emphasizes careful planning and timing, allowing players to choose between lethal and non-lethal approaches. The game features a unique art style, combining hand-drawn visuals with fluid animations. Players can unlock various abilities and tools to enhance their gameplay experience. Set in a rich narrative, "Mark of the Ninja" explores themes of honor, sacrifice, and the consequences of violence in a beautifully crafted world.