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