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.
Earn all the Seals in every level.
Earn three stars in every level.
Find all three scrolls in every level.
Complete all of the challenge rooms.
Earn all the upgrades.
Distract 25 guards using your equipment.
Perform five different types of stealth kills successfully in one level.
Complete the game in New Game Plus.
Get the Undetected honor bonus 10 times in one level.
Terrify a guard and cause him to stumble to his death.
Within a single Focus, aim and throw three different types of items.
Terrify a guard using the result of a hanging stealth kill five times.
Throw the body of one guard to terrorize another.
Stealth kill a guard from inside a dumpster.
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.
Complete a level without getting detected.
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.
Kill a guard by getting other guards to shoot them.
Use a dead body to lure another guard and then stealth kill them.
Perform 25 successful stealth kills.
Distract 25 guards using environmental objects.
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.
Disable a spotlight using the Dusk Moths.
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.
Complete the new Special Edition level.
Knock out an enemy again that was revived from being knocked out.
View any of the developer commentaries.