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