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