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