Unlockables - Complete each achievement to get the allotted gamerscore.

Completed Chapter 5 (10G) Clear Chapter 5, The Aqua Capita
Completed Chapter 7 (10G) Clear Chapter 7, The Flying Fortress Daedalus
Completed Chapter 9 (10G) Clear Chapter 9, Heart of Darkness

Diffused The Lightening (15G) Defeat Alexei for the second time
Dragon Sword Master (5) Complete the game using only the Dragon Sword
Dual Katana Master (5) Complete the game using only the Dragons Claw and Tigers Fang

Eclipse Scythe Master (5) Complete the game using only the Eclipse Scythe
Eight Of White (15G) Beat the eight Test of Valor
Ended The Infernal Reign (15G) Defeat High Infernal Priest, Dagra Dai
Extinguished The Flame (15G) Defeat Zedonius for the second time

Falcon's Talons Master (5) Complete the game using only the Falcon's Talons
Feat of a hundred Slashes (20) Achieve a 100-hit combo with any weapon
Feat of a Thousand Obliterations (20) Defeat 1000 enemies using Obliteration Techniques
Feat of Ultimate Destruction (20) Defeat 1000 enemies using Ultimate Techniques
Finished Chapter 1 (10) Finished Chapter 1, "Sky City Tokyo"
Finished Chapter 2 (10) Finished Chapter 2, "The Castle of the Dragon."
Finished Chapter 3 (10) Finished Chapter 3, "Thunderclap of Catastrophe."
Five Of Yellow (15G) Beat the fifth Test of Valor
Four Of Green (15G) Beat the fourth Test of Valor

Indomitable Spirit (5G) Choose to continue the game 100 times.

Karma of the Master Ninja (20) Obtain all of the Crystal Skulls
Karma of the Mentor (20) Obtain 20 Crystal Skulls
Karma of the Warrior (20) Obtain 10 Crystal Skully
Kusari-gama Master (5) Complete the game using only the Kusari-gama

Lunar Staff Master (5) Complete the game using only the Lunar Staff
Mastered Counter Attack (5) Successfully performed the Counter Attack Technique

Mastered Flying Bird Flip (5) Successfully performed the Flying Bird Flip Technique
Mastered Flying Swallow (5) Successfully performed the Flying Swallow Technique
Mastered Furious Wind (5) Successfully performed the Furious Wind Technique
Mastered Invisible Path (5) Successfully performed the Invisible Path Technique
Mastered Obliteration Technique (5) Successfully performed the Obliteration Technique
Mastered Reverse Wind (5) Successfully performed the Revers Wind Technique
Mastered Shadowless Footsteps (5) Successfully performed the Shadowless Footsteps Technique
Mastered Ultimate Guidance (5) Successfully performed the Ultimate Guidance Technique
Mastered Ultimate Technique (5) Successfully performed the Ultimate Technique
Mastered Unrivaled Soaring (5) Successfully performed the Ultimate Soaring Technique

Nine Of Violet (15G) Beat the last Test of Valor

One of White (15) Purified the site of the the first Test of Valor.

Redeemed Genshin (15G) Defeat Genshin for the last time

Seven Of Red (15G) Beat the seventh Test of Valor
Silenced The Storm (15G) Defeat Volf for the second time
Six Of White (15G) Beat the sixth Test of Valor
Staunched The Blood (15G) Defeat Elizébet for the second time

The Art Of Inferno (5) Successfully performed the Art of the Inferno Ninpo
The Art of the Flame Phoenix (5) Successfully performed the Art of the Flame Phoenix Ninpo
The Art of the Piercing Void (5) Successfully performed the Art of the Piercing Void Ninpo
The Art of the Wind Blades (5) Successfully performed the Art of the Wind Blades Ninpo
Three Of Blue (15G) Beat the third Test of Valor
Tonfa Master (5) Complete the game using only the Tonfa
Two of Black (15) Purified the sit of the the second Test of Valor.

Vanquished Alexei (15) Defeat Alexei in battle
Vanquished Elizébet (15) Defeat Elizébet in battle
Vanquished Genshin (15) Defeat Genshin in battle
Vanquished Volf (15) Defeat Volf in battle
Vanquished Zedonius (15) Defeat Zedonius in battle
Vigoorian Flail Master (5) Complete the game using only the Vigoorian Flail

Way of the Acolyte (100) Complete the game on the Path of the Acolyte
Way of the Master Ninja (100) Complete the game on the Path of the Master Ninja
Way of the Mentor (100) Complete the game on the Path of the Mentor
Way of the Warrior (100) Complete the game on the Path of the Warrior

Different Difficulty - Beat the game in harder difficulties.

Unlockables

Path Of The Master Ninja difficulty Successfully complete the game under the Path Of The Mentor difficulty setting.
Path Of The Mentor difficulty setting Successfully complete the game under the Path Of The Warrior difficulty setting.

New Game +

Save after completing the game to unlock New Game +.
When playing a New Game + you will begin play on the same difficulty you completed with all weapons from the previous game at their current level. You will also keep your life, ninpo, items and essence.

Unlockable - New Game + Complete the game and save after Credit Scroll

Unlockables

Black Jaguar Costume Complete Path of Mentor

Camoflauge Ninja Outfit Complete the game on Warrior

Gamerpic of Ryu Complete the game on Path of the Master Ninja
Gamerpic. Collect all 30 crystal skulls
Golden Ninja Costume Complete the game on Path of The Master Ninja

Music Test Clear the game on any difficulty

Old Film Filter Beat the game.

Path of the Master Ninja Beat Path of the Mentor
Path of the Mentor Beat Path of the Warrior

Red Ninja Outfit Complete the game on Acolyte