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.
Dispatch two enemies at once using a body infected with Toxic Fungus.
Disable a spotlight using the Dusk Moths.
Complete one of the original Mark of the Ninja levels using the Path of Wisdom.
View any of the developer commentaries.
Earn all of the upgrades.
Earn three stars in every level.
Find all three scrolls in every level.
Complete Dosan's Tale.
Knock out an enemy again that was revived from being knocked out.
Earn all three seals in every level.
Complete all of the challenge rooms.
Within a single Focus, aim and throw three different types of items.
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.
Distract 25 guards using your equipment.
Terrorize 10 guards.
Kill a guard by getting other guards to shoot him.
Throw the body of one guard to terrorize another.
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.
Distract 25 guards using environmental objects.
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.
Use a dead body to lure another guard and then stealth kill him.
Kill one guard.