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