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 packs containing 8 achievements.
Achievements they've won
Achievements they've not won
Terrify a guard and cause him to stumble to his death.
Earn all the upgrades.
Earn three stars in every level.
Find all three scrolls in every level.
Earn all the Seals in every level.
Distract 25 guards using your equipment.
Complete all of the challenge rooms.
Terrify a guard using the result of a hanging stealth kill five times.
Within a single Focus, aim and throw three different types of items.
Stealth kill a guard from inside a dumpster.
Kill a guard from inside the box.
Complete a level without killing any guards and without being detected.
Determine your fate.
Escape from the Stronghold.
Perform five different types of stealth kills successfully in one level.
Kill a guard by getting other guards to shoot them.
Stealth kill an elite guard after stunning him.
Terrorize 10 guards.
Throw the body of one guard to terrorize another.
Assassinate Kelly, the mercenary captain.
Complete a level without getting detected.
Get the Undetected honor bonus 10 times in one level.
Complete a level without killing any guards.
Distract 25 guards using environmental objects.
Use a dead body to lure another guard and then stealth kill them.
Perform 25 successful stealth kills.
Save Azai from the mercenaries.
Kill one guard.
Complete the game in New Game Plus.
View any of the developer commentaries.
Complete the new Special Edition level.
Stun an elite guard with moths then dispatch him.
Knock out an enemy again that was revived from being knocked out.
Complete one of the original Mark of the Ninja levels using the Path of Wisdom.
Dispatch two enemies at once using a body infected with Toxic Fungus.
Read one of the history lesson developer commentaries.
Disable a spotlight using the Dusk Moths.