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