Full list of all 38 Mark of the Ninja achievements. It takes around 20-25 hours to unlock all of the achievements in the base game on Windows.
The base game contains 30 achievements, and there is 1 DLC pack containing 8 achievements.
Complete the game in New Game Plus.
Terrify a guard and cause him to stumble to his death.
Distract 25 guards using your equipment.
Stealth kill a guard from inside a dumpster.
Kill a guard from inside the box.
Earn all the upgrades.
Earn all the Seals in every level.
Determine your fate.
Earn three stars in every level.
Find all three scrolls in every level.
Complete all of the challenge rooms.
Escape from the Stronghold.
Assassinate Karajan.
Throw the body of one guard to terrorize another.
Stealth kill an elite guard after stunning him.
Perform five different types of stealth kills successfully in one level.
Within a single Focus, aim and throw three different types of items.
Terrify a guard using the result of a hanging stealth kill five times.
Terrorize 10 guards.
Assassinate Kelly, the mercenary captain.
Kill a guard by getting other guards to shoot them.
Complete a level without killing any guards and without being detected.
Complete a level without getting detected.
Complete a level without killing any guards.
Get the Undetected honor bonus 10 times in one level.
Perform 25 successful stealth kills.
Distract 25 guards using environmental objects.
Use a dead body to lure another guard and then stealth kill them.
Save Azai from the mercenaries.
Kill one guard.
Stun an elite guard with moths then dispatch him.
Complete one of the original Mark of the Ninja levels using the Path of Wisdom.
Disable a spotlight using the Dusk Moths.
Read one of the history lesson developer commentaries.
Complete the new Special Edition level.
Dispatch two enemies at once using a body infected with Toxic Fungus.
Knock out an enemy again that was revived from being knocked out.
View any of the developer commentaries.