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