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