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