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