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