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.
Complete a Hidden Object Puzzle in less than a minute.
Find 3 Hidden Objects within 3 seconds.
Find 5 Hidden Objects in five seconds.
Defeat Malezur.
Save Lila Martin.
Watch all cutscenes without skipping them.
Defeat the Masked Woman.
Finish all Story Minigames without using Skip.
Discover the truth behind Your red eyes.
Complete a Hidden Object Puzzle without using a Hint.
Help the village woman open the gate.
Complete 5 Minigames without skipping them.
Finish 3 MInigames under 10 minutes without using Skip.
Finish 3 Hidden Object Puzzle in less than 10 minutes.
Complete a Minigame in less than a minute.
Finish any Hidden Object Puzzle with less than 4 mistakes.
Finish all the Hidden Object Puzzles without a Hint.
Finish 3 Hidden Object Puzzles without using a hint.
Finish all the Minigames without skipping them.
Gather all Collectibles.
Complete the Elevator Minigame without skip.
Collect all 15 coins.
Complete the Doll collection.
Find all collectable portraits.