In the Sengoku period, ninjas are held in high regard, taking off from the end of Tenchu 3, Rikimaru and Ayame has to act before the chaos of the era swallow them whole.
Unlike other ninja games that places brute force before stealth, to survive, in this game, you must not be discovered. Make use of all the crannies and crevices to hide yourself as you ambush your enemies.
Speed is another factor, instead of prolonged battles, kill your opponent in one move. Depending on your ninja skills, you can kill boss characters with one powerful slash. Get to know your weapons as the potential you can tap into depend on them.
Plunge head-long back into the chaos and emerge victorious.