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