Mark of the Ninja achievements

9.34%
Unstable Footing
Terrify a guard and cause him to stumble to his death.
9.92%
Inner Heaven
Kill a guard from inside the box.
10.19%
Tactical Espionage Action
Within a single Focus, aim and throw three different types of items.
10.39%
Well, I Think It's Interesting
Read one of the history lesson developer commentaries.
14.84%
Manipulator
Distract 25 guards using your equipment.
15.89%
Gallows
Terrify a guard using the result of a hanging stealth kill five times.
18.28%
Ghost
Complete a level without killing any guards and without being detected.
19.19%
Deadly Shadows
Stealth kill a guard from inside a dumpster.
19.60%
The Dark Project
Get the Undetected honor bonus 10 times in one level.
22.93%
Mercy
Complete a level without killing any guards.
26.48%
Fated
Determine your fate.
27.28%
Behind the Curtain
View any of the developer commentaries.