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