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