Here is the full list of all 20 Tiny Tales: Heart of the Forest achievements.
Finish all the Minigames without skipping them.
Save Brie.
Find all Collectibles.
Collect all Collectible Dolls.
Rescue the Princess.
Fix the machine.
Defeat the cat in combat.
Finish 3 Hidden Object Puzzles without a Hint.
Finish 3 Hidden Object Puzzles in less than 10 minutes.
Complete a Hidden Object Puzzle without a mistake.
Finish the Tournament.
Complete 5 Minigames without skipping them.
Obtain a pass for the tournament.
Win in a duel.
Make your first spell.
Complete a Hidden Object Puzzle in less than a minute.
Complete a Hidden Object Puzzle without a Hint.
Find 3 Hidden Objects within 3 seconds.
Complete a Minigame in less than a minute.
Find one Collectible.