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