Mark of the Ninja is nothing if not a purified, unblemished example of the stealth genre. But just what is stealth? For me, stealth is about betraying the expectations of your adversary; it’s about fighting your opponents indirectly or perhaps not at all. It’s a thoughtful, meditative kind of warfare that rewards the thinker. Stealth is, for all practical purposes, a combative puzzle, and Mark of the Ninja epitomizes the mechanics of stealth.