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