Here is the full list of all 22 Demon Hunter 4: Riddles of Light achievements.
Save the world.
Find all parts of Horus' soul.
Collect all collectible Stars and Diamonds.
Answer all of Sphinx's questions correctly.
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!
Use the Gauntlet to talk to the mummy for the first time.
Find the upgrade for your Gauntlet.
Find and use the Gauntlet for the first time.
Complete your first interactive Hidden Object Puzzle as an archaeologist.
Finish all Minigames without skipping them.
Find the gate to the Dreamatorium.
Complete a Hidden Object Puzzle in less than a minute.
Complete a Hidden Object Puzzle without a mistake.
Find 3 Hidden Objects within 3 seconds.
Finish 3 Hidden Object Puzzles without a Hint.
Complete 5 Minigames without skipping them.
Complete a Hidden Object Puzzle without a Hint.
Complete a Minigame in less than a minute.
Find one Collectible.