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