Full list of all 29 Grim Legends 2: Song of the Dark Swan achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Finish the whole Game on Expert Difficulty.
Find all Healer's Sigils.
Deal with a dragon once and for all.
Protect the spirits.
Finish the game.
Finish all HOs without using hint button.
Finish all minigames without skipping.
Witness the stories through the golden feathers.
Enter Dark Castle Dungeon.
Get help from the Forest Spirit.
Find half of all Healer's Sigils.
Find the kidnapped prince.
Finish 6 HO in a row without hints.
Open the Passage to the Forest Cavern.
Get help from an Otter.
Don't skip the first 10 cutscenes.
Prepare the swan boat for the journey.
Discover 20 clues (diaries, letters, etc.).
Finish HO in less than 30 seconds.
Scare 6 butterflies.
Enter the Garden.
Finish 4 minigames in a row without skipping.
Get help from a Swallow.
Finish minigame in less than 1 minute.
Prepare the Calming Brew.
Finish HO with less than 4 mistaps.
Find 3 hidden objects within 3 seconds.
Find a Healer's Sigil.
Play without tutorial.