Unlockable - Misc. Unlockables | |
| Red Blade Mode | Get a Grandmaster or Assassin Ranking in all 18 levels |
| Sound Check Mode | Beat every layout on every skill level with each character |
| Third Enemy Layout in Level Select Mode | Complete all playable missions in Story mode (18 total) |
| Ninja Rebirth Item | Complete Training Stage |
Unlockable - Alternate Costumes | |
| Rin's hidden costume, Ayame's Tenchu 3 costume | Beat the game on any difficulty. |
| Ayame's Tenchu 1 and Tenchu 2 costumes | Defeat Juzo in Pit Fight mode with more than 23 minutes remaining and defeat the two Ayames. Alternatively, collect a total of 1600 scrolls. |
| Pit Fight mode | Beat the game on Normal difficulty. |
| Pit Fight mode Boss Fights | Defeat all 6 enemy groups in Pit Fight mode. |
Unlockable - Missions | |
| Chapter 3-1 Secret Encounters | Complete Chapter 2-1 Departures |
| Chapter 3-2 The Geisha and the Hired Blade | Complete Chapter 2-2 Determination |
| 10.2 Flames of Sorrow | Eliminate all 3 enemies at the beginning of mission 9 |
| 12.2 Tenchu Kurenai | Let Ranzo escape |
| 10.1 Flames of Passion | Don't Eliminate the samurai at the beginning of kilmission 9 |
| 7.2 For Whom the Bell Tolls | Pick up the map in mission 6 |
| 7.1 A Sister's Promise | Don't pick up the map in mission 6 |
| 6.2 What Lurks in the shadow | You may not be spotted in mission 5 |
| 6.1 The Blind Masseuse | At least one enemy spot you in mission 5 |
| 2.2 Determinationkill | Eliminate all enemies in mission 1 |
| 2.1 Departures | Do not Eliminate all enemies in mission 1 |
| 12.1 Tenchu Kurenai | Eliminate Ranzo |
Unlockable - Unlockable Special Weapons | |
| Demon Claws (Rin - Chapter 8) | After crossing the bridge head left along the wall and double jump over to the little outcropping ledge. |
| Dokuto Blades (Ayame - Chapter 7.2) | In the room across from the Boss Battle room provided you did not take the shortcut. (The shortcut causes the room to collapse) |
Unlockable - Unlockable Special Abilities | |
| Wall Run | Ayame: 10 Scrolls / Rin: 100 Scrolls |
| Arrow Block | Ayame: 250 Scrolls / Rin:30 Scrolls |
| Hawk Eye | Ayame: 60 Scrolls / Rin:150 Scrolls |
| Long Claw | Ayame: 300 Scrolls / Rin: 350 Scrolls |
| Spider's Nest | Ayame: 450 Scrolls / Rin: 400 Scrolls |
| Sniper | Ayame: 350 Scrolls / Rin: 450 Scrolls |
| Crescent Moon | Ayame: 30 Scrolls |
| Swift Guard | Ayame: 100 Scrolls |
| Cheetah Sprint | Ayame: 150 Scrolls |
| Inner Ear | Ayame: 200 Scrolls |
| Mind Control | Ayame: 400 Scrolls |
| False Wall | Ayame: 500 Scrolls |
| Wrath | Ayame: 550 Scrolls |
| Fang Guard | Rin: 10 Scrolls |
| Death Drop | Rin: 60 Scrolls |
| Crimson | Rin: 200 Scrolls |
| Numbing Strike | Rin: 250 Scrolls |
| Shadow | Rin: 300 Scrolls |
| Mimicry | Rin: 500 Scrolls |
| Crimson Final | Rin: 550 Scrolls |
Unlockable - Unlockable Special Items | |
| Fake Rat for Ayame | Grandmaster Chapter 10-1 or 10-2 in Level Select mode |
| Sleeping Gas for Ayame | Grandmaster Chapter 12-1 or 12-2 in Level Select mode |
| Decoy Whistle for Rin | Assassin Ranking on Chapter 11 in Level Select mode |
| Fire Spell for Rin | Assassin Ranking on Chapter 9 in Level Select mode |
Secret - Instant Kill for Chapter 3 Boss Tatsukichi | |
| Run up to this boss, push towards them, and hit circle to perform a throw. Both Ayame and Rin will administer not their normal throw, but a neck-chop that instant kills this boss. | |
Secret - View Cutscenes with Armor on | |
| When viewing already unlocked cutscenes in the "Encyclopedia" section, press and hold "L2" while selecting a cutscene and when it loads you'll get to see Ayame or Rin wearing their Armor during it. | |
Secret - Access the Tutorial with Ayame | |
| In order to gain access to the full tutorial with Ayame you must hold "L1" while selecting the Tutorial. No onscreen confirmation will be given but once the tutorial starts you will be using Ayame instead of Rin. | |
Password - view your in game score status (works for both japanese and american verisons) | |
| to view your status plug in your second player controller and pause the game with your first player controller, and enter square, square, down, down, up, up on the second player controller | |
| view score status screen | while game paused, enter on the second controller square, square, down, down, up, up |