Tenchu: Dark Secret is a unique, story-driven game for the Nintendo DS.pausing after the last battle against the dark lord, you must protect your loved ones from his advances.battling through levels of varying levels of difficult, Tenchu: Dark Secret makes you question whether or not you are ready for the final fight. But before closing with the final battle against the dark lord, you must protect your loved ones from his advances.The game features unique Anshar trackers that offer little in the way of hope or change, but the tracks that are available keep you engaged until the last second. The game also uses the DS's Maemo app, giving you a quick start guide for the game without having to pay for it.