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.
Terrify a guard and cause him to stumble to his death.
Earn all the upgrades.
Find all three scrolls in every level.
Complete all of the challenge rooms.
Complete the game in New Game Plus.
Earn three stars in every level.
Earn all the Seals in every level.
Distract 25 guards using your equipment.
Terrify a guard using the result of a hanging stealth kill five times.
Get the Undetected honor bonus 10 times in one level.
Complete a level without killing any guards.
Complete a level without getting detected.
Complete a level without killing any guards and without being detected.
Kill a guard from inside the box.
Within a single Focus, aim and throw three different types of items.
Determine your fate.
Escape from the Stronghold.
Assassinate Karajan.
Stealth kill an elite guard after stunning him.
Kill a guard by getting other guards to shoot them.
Terrorize 10 guards.
Perform five different types of stealth kills successfully in one level.
Stealth kill a guard from inside a dumpster.
Assassinate Kelly, the mercenary captain.
Throw the body of one guard to terrorize another.
Use a dead body to lure another guard and then stealth kill them.
Distract 25 guards using environmental objects.
Perform 25 successful stealth kills.
Save Azai from the mercenaries.
Kill one guard.
Stun an elite guard with moths then dispatch him.
Dispatch two enemies at once using a body infected with Toxic Fungus.
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.
Knock out an enemy again that was revived from being knocked out.
Complete the new Special Edition level.
View any of the developer commentaries.