TENCHU Z UNLOCKABLES
Victory celebration
Hold Up, Down, Left, or Right after completing a mission before the "Mission Completed" screen appears to do one of four alternate victory poses.
Alternate costumes
After finishing the game under the Normal difficulty setting to unlock the secret costumes.
Modern Army costume
After finishing all 50 missions under the Hard difficulty setting with a Ninja 5 rank.
Special Costumes
Kill 50 Tomikichi to unlock the Special Costumes, which include the Lion Costume (face), Hotdog (sheath), and Kite and Flag (accessory).
Lurk and Feet abilities
Get 1,000 Stealth Kills.