Here is the full list of all 22 Demon Hunter 4: Riddles of Light achievements.
Find one Collectible.
Complete a Hidden Object Puzzle without a Hint.
Complete a Hidden Object Puzzle without a mistake.
Complete a Hidden Object Puzzle in less than a minute.
Finish 3 Hidden Object Puzzles without a Hint.
Find 3 Hidden Objects within 3 seconds.
Complete a Minigame in less than a minute.
Finish all Minigames without skipping them.
Complete 5 Minigames without skipping them.
Collect all collectible Stars and Diamonds.
Complete your first interactive Hidden Object Puzzle as an archaeologist.
Find and use the Gauntlet for the first time.
Find the upgrade for your Gauntlet.
Use the Gauntlet to talk to the mummy for the first time.
Pass all the traps on the bridge and live to tell the tale!
Escape Seth's dungeon and reach the surface.
Travel with Bennu to the Rose of War to find a way to the Dreamatorium.
Defeat the Undead King.
Find the gate to the Dreamatorium.
Answer all of Sphinx's questions correctly.
Find all parts of Horus' soul.
Save the world.