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