Mark of the Ninja achievements

9.32%

Unstable Footing

Terrify a guard and cause him to stumble to his death.

9.97%

Inner Heaven

Kill a guard from inside the box.

10.25%

Tactical Espionage Action

Within a single Focus, aim and throw three different types of items.

10.28%

Well, I Think It's Interesting

Read one of the history lesson developer commentaries.

14.77%

Manipulator

Distract 25 guards using your equipment.

15.84%

Gallows

Terrify a guard using the result of a hanging stealth kill five times.

18.25%

Ghost

Complete a level without killing any guards and without being detected.

19.22%

Deadly Shadows

Stealth kill a guard from inside a dumpster.

19.50%

The Dark Project

Get the Undetected honor bonus 10 times in one level.

22.88%

Mercy

Complete a level without killing any guards.

26.40%

Fated

Determine your fate.

27.16%

Behind the Curtain

View any of the developer commentaries.