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.
Stealth kill a guard from inside a dumpster.
Distract 25 guards using your equipment.
Complete a level without killing any guards and without being detected.
Complete a level without killing any guards.
Kill a guard from inside the box.
Earn all the upgrades.
Find all three scrolls in every level.
Complete all of the challenge rooms.
Determine your fate.
Earn three stars in every level.
Within a single Focus, aim and throw three different types of items.
Earn all the Seals in every level.
Escape from the Stronghold.
Assassinate Karajan.
Stealth kill an elite guard after stunning him.
Terrify a guard and cause him to stumble to his death.
Assassinate Kelly, the mercenary captain.
Terrify a guard using the result of a hanging stealth kill five times.
Throw the body of one guard to terrorize another.
Terrorize 10 guards.
Kill a guard by getting other guards to shoot them.
Perform five different types of stealth kills successfully in one level.
Use a dead body to lure another guard and then stealth kill them.
Complete a level without getting detected.
Get the Undetected honor bonus 10 times in one level.
Distract 25 guards using environmental objects.
Save Azai from the mercenaries.
Perform 25 successful stealth kills.
Kill one guard.
Stun an elite guard with moths then dispatch him.
Read one of the history lesson developer commentaries.
Complete one of the original Mark of the Ninja levels using the Path of Wisdom.
Disable a spotlight using the Dusk Moths.
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.