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