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