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