- Ninja Blade weapon
Successfully complete Chapter 8 to unlock the Ninja Blade.

- Easy mode
Die ten times.

- Seeing your character
Choose a very light color for your appearance in order to distinguish your character better from his background.

- Moonlight sword
Acquire all nine Moji. Then, go to Chapter 5, and enter the new cave to get the large sword and upgrade it.

- Ninjitsu Protective Barrier
Successfully complete all missions on the Hard difficulty to unlock the Ninjitsu Protective Barrier.

- Achievements
Do the following things to obtain the corresponding Gamerscore points:

10 Points
Enter the Way of the Ninja	Improve Ninjutsu.
Yes, I Am That Good.	Achieve a 10 Hit Combo.
Gotta Get Them All	Find a Shinobi Moji.
Nothing Left But the Dying	Finish a Finish Attack.
It Slices! It Dices!	Improve a sword.
Sharp Dressed Man	Find an outfit.
How Ya Like Me Now?!	Finish a Todomé attack.
Let Off Some Steam	Use the Cyclone Shuriken to put out a fire.
Burn, Baby, Burn	Use the Flame Shuriken to set an enemy on fire.
Lightning Strikes Twice	Use the Lightning Shuriken to charge the surface of water and shock an enemy.
Chewy on the Inside	Destroy a piece of armor.
Bling or Flair?	Find an emblem.
Not Too Shabby	Achieve a 3 Kill Combo.
I'm Rubber and You're Glue	Deflect an enemy's projectile.
15 Points
Mission.002	Master of Style
Mission.009	That Just Happened!
Almost There	Find 50% of the Shinobi Moji.
Mission.003	Hit Combo Fever
One with the Blade	Kill 25 enemies with the Finish Attack move.
Mission.001	Speed Demon
Ya Can't Touch This	Deflect 20 projectiles.
Mission.004	Ninja Sky Marshall
Mission.008	Only a Flesh Wound
Mission.007	Back in a Flash
Mission.005	Nick of Time
Mission.006	You Want Some?
20 Points
A Perfect 10	Achieve 10 'Perfect' button presses sequentially during a Quick Time Event.
Showboat	Achieve a 100 Hit Combo.
Your Work Is Done	Finish all missions without retrying.
Snatch the Pebble	Improved all Ninjutsu to their maximum level.
'...And that's all I need.'	Finish all missions using only one of the swords to attack.
Hattori Hanzo Achievement Award	Improved all swords to their maximum level.
Show-off	Achieve a 50 Kill Combo.
30 Points
Finish Set	Find all the Shinobi Moji.
Walk-in Closet	Acquire all the outfits.
'Feel it flow through you.'	Max out the Chi Gauge.
I Think I'll Go for a Walk	Max out the Health Gauge.
Brings Out Your Eyes	Acquire all emblems.
40 Points
Good Job	Finish all missions on Normal or higher game difficulty.
50 Points
Musashi's Way	Finish all missions on Hard or higher game difficulty.
75 Points
Ninja School Valedictorian	Achieve a Total Play Effect A+ ranking.

25 Points
Family Ties	Finishd Mission 003 on any difficulty.
Prepare for Glory	Finishd Mission 008 on any difficulty.
Oni Hanzo	Finishd Mission 006 on any difficulty.
There's Always a Bigger Bug	Finishd Mission 005 on any difficulty.
Two-Wheel Daredevil	Finishd Mission 002 on any difficulty.
Deja Vu	Finishd Mission 007 on any difficulty.
Only a Ninja Can Stop a Ninja	Finishd Mission 001 on any difficulty.
In the Event of an Emergency...	Finishd Mission 004 on any difficulty.
Pass the Torch	Finishd Mission 009 on any difficulty.

- Tsuinetanarunaifu (Twin Eternal Knives) weapon
Get an 'A' rank in all chapters, then upgrade the dual swords to the maximum to unlock the Tsuinetanarunaifu (Twin Eternal Knives) weapon.

- QTE Easy mode
Miss the same QTE action ten times.