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