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