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