Mark of the Ninja achievements

9.37%

Unstable Footing

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

9.95%

Inner Heaven

Kill a guard from inside the box.

10.26%

Tactical Espionage Action

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

10.36%

Well, I Think It's Interesting

Read one of the history lesson developer commentaries.

14.79%

Manipulator

Distract 25 guards using your equipment.

15.91%

Gallows

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

18.26%

Ghost

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

19.25%

Deadly Shadows

Stealth kill a guard from inside a dumpster.

19.52%

The Dark Project

Get the Undetected honor bonus 10 times in one level.

22.90%

Mercy

Complete a level without killing any guards.

26.47%

Fated

Determine your fate.

27.29%

Behind the Curtain

View any of the developer commentaries.