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