Full list of all 50 Ninja Blade achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox 360.
Collected all the emblems.
Completed all missions using only one of the swords to attack.
Upgrade all Ninjutsu to their maximum level.
Collected all the outfits.
Completed Mission 008 without taking 1000 points of damage.
Completed all missions on Hard or higher game difficulty.
Achieved a Total Play Result A+ ranking.
Upgrade all swords to their maximum level.
Completed all missions without retrying.
Completed all missions on Normal or higher game difficulty.
Completed Mission 009 without retrying.
Completed Mission 009 on any difficulty.
Found all the Shinobi Moji.
Maxed out the Health Gauge.
Achieved a 100 Hit Combo.
Completed Mission 008 on any difficulty.
Maxed out the Chi Gauge.
Completed Mission 007 within 50 minutes.
Completed Mission 007 on any difficulty.
Completed Mission 006 with a Max Kill Combo above 10.
Completed Mission 006 on any difficulty.
Completed Mission 005 within 40 minutes.
Completed Mission 005 on any difficulty.
Completed Mission 004 with less than 30% jet plane damage.
Completed Mission 004 on any difficulty.
Found 50% of the Shinobi Moji.
Completed Mission 003 with a Max Hit Combo above 30.
Completed Mission 003 on any difficulty.
Used the Lightning Shuriken to charge the surface of water and shock an enemy.
Completed Mission 002 with more than 20 Finish Attacks.
Completed Mission 002 on any difficulty.
Used the Flame Shuriken to set an enemy on fire.
Deflected 20 projectiles.
Killed 25 enemies with the Finish Attack move.
Completed Mission 001 within 30 minutes.
Upgraded Ninjutsu.
Upgraded a sword.
Completed Mission 001 on any difficulty.
Found an outfit.
Found an emblem.
Found a Shinobi Moji.
Achieved a 50 Kill Combo.
Destroyed a piece of armor.
Completed a Finish Attack.
Used the Cyclone Shuriken to put out a fire.
Deflected an enemy's projectile.
Achieved 10 "Perfect" button presses in a row during a Quick Time Event.
Completed a Todomé attack.
Achieved a 3 Kill Combo.
Achieved a 10 Hit Combo.