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