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