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