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