Here is the full list of all 24 Demon Hunter 3: Revelation achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Save Lila Martin.
Defeat Malezur.
Watch all cutscenes without skipping them.
Defeat the Masked Woman.
Finish all the Hidden Object Puzzles without a Hint.
Finish all Story Minigames without using Skip.
Discover the truth behind Your red eyes.
Complete the Doll collection.
Help the village woman open the gate.
Complete a Hidden Object Puzzle in less than a minute.
Finish 3 Hidden Object Puzzle in less than 10 minutes.
Find 3 Hidden Objects within 3 seconds.
Complete 5 Minigames without skipping them.
Complete the Elevator Minigame without skip.
Finish 3 Hidden Object Puzzles without using a hint.
Finish 3 MInigames under 10 minutes without using Skip.
Complete a Minigame in less than a minute.
Complete a Hidden Object Puzzle without using a Hint.
Finish any Hidden Object Puzzle with less than 4 mistakes.
Find 5 Hidden Objects in five seconds.
Finish all the Minigames without skipping them.
Gather all Collectibles.
Collect all 15 coins.
Find all collectable portraits.