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