Here is the full list of all 24 Grim Legends: The Forsaken Bride achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Finish the bonus adventure.
Solve all of the puzzles without skipping even once!
Pass the Golden Gate of the Phoenix.
Read all the writings in the game.
Approach the Abyss edge.
Watch half of the game cutscenes.
Reveal the true nature of your enemy.
Beat a domino game in under a minute!
Finish a puzzle in under a minute!
Finish half of the Domino games!
Pass the underground labyrinth.
Make a salve.
Find 3 Hidden Objects in just 3 seconds!
Track your prey to its lair.
Solve 3 Puzzles in a row without skipping.
Finish a Hidden-Object Puzzle with barely any misclicks!
Topple the trunk over the ravine.
Chat with all the villagers.
Gain the little helper.
Nail a Hidden-Object Puzzle in under a minute.
Finish 3 Hidden-Object Puzzles in a row with no hints!
Finish all the Hidden-Object Puzzles with no hints!
Finish all of the Domino games!
Finish the game on Expert Mode!