Tenchu Z is is one of the long-running Tenchu series, and contains many of the elements familiar to the franchise. Each mission has you sneaking around an area controlled by enemy forces, avoiding detection and eliminating anyone who gets in your way. At your disposal are numerous ninja techniques such as slient sneaking, clinging to ceilings, and the almighty Stealth Kill. Once you complete each mission, you are graded and rewarded accordingly. The game contains 50 missions total, and offers three difficulty levels.
The nameless ninja played in the game is completely customizable. At the start of the game, you can choose a gender and a face, and as you progress through the game you can purchase and customize your character's clothing, abilities, items, and various stats. Any mission in the game can be played online over Xbox Live or via system link with up to four players.