Mark of the Ninja achievements

9.35%

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.

14.85%

Manipulator

Distract 25 guards using your equipment.

15.90%

Gallows

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

18.29%

Ghost

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

19.14%

Deadly Shadows

Stealth kill a guard from inside a dumpster.

19.57%

The Dark Project

Get the Undetected honor bonus 10 times in one level.

22.95%

Mercy

Complete a level without killing any guards.

26.43%

Fated

Determine your fate.

27.30%

Behind the Curtain

View any of the developer commentaries.