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