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