Here is the full list of all 38 Mark of the Ninja: Remastered achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Stun an elite guard with moths then dispatch him.
Distract 25 guards using your equipment.
Complete the game in New Game Plus.
Earn all three seals in every level.
Find all three scrolls in every level.
Complete all of the challenge rooms.
Knock out an enemy again that was revived from being knocked out.
Get the Undetected bonus 10 times in one level.
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.
Complete a level without killing any guards and without being detected.
Disable a spotlight using the Dusk Moths.
Earn all of the upgrades.
Determine your fate.
Earn three stars in every level.
Escape from the Stronghold.
Assassinate Karajan.
Stealth kill an elite guard after stunning him.
Terrify a guard with a hanging stealth kill five times.
Dispatch two enemies at once using a body infected with Toxic Fungus.
Throw the body of one guard to terrorize another.
Complete one of the original Mark of the Ninja levels using the Path of Wisdom.
Assassinate Kelly, the mercenary captain.
Complete Dosan's Tale.
Terrify a guard and cause him to stumble to his death.
Kill a guard by getting other guards to shoot him.
Terrorize 10 guards.
Read one of the history lesson developer commentaries.
Distract 25 guards using environmental objects.
Complete a level without getting detected.
Perform five different types of stealth kills in one level.
Use a dead body to lure another guard and then stealth kill him.
Perform 25 successful stealth kills.
Save Azai from the mercenaries.
Kill one guard.
View any of the developer commentaries.