Here is the full list of all 36 Grim Legends 3: The Dark City achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Finish a Hidden Object Puzzle with less than 4 mistaps.
Finish a single Hidden Object Puzzle without using the Hint button.
Read all the newspapers at the Lichtenheim Train Station.
Play the Prologue without skipping any cutscenes.
An Incarceri Stone was stolen from the Order's Treasury. We followed a lead to the city of Lichtenheim.
Find the first Collectible.
The Koshmaar abducted a city into his realm. We gave pursuit and helped one of the Maskwraiths. After, we encountered Gabriel, and Solomon ran after him. But we were separated.
Solomon's hurt. I must find a cure for him.
Gabriel double-crossed me, but I know where to find him now.
I have everything I need to face the Koshmaar.
Solomon is dead. He turned into a Maskwraith. Gabriel showed up, and we joined forces.
We saved the city, and Camilla. The Koshmaar is re-imprisoned. But so is Gabriel. It is a bittersweet victory.
I got to the first Incarceri Stone. Made a choice. Was it enough to get rid of the Koshmaars once and for all?
Play 4 Minigames in a row without skipping.
Play all Minigames without skipping.
Finish the First Memory Mirror in less than 3 minutes.
Finish the Second Memory Mirror in less than 3 minutes.
Finish the Third Memory Mirror in less than 3 minutes.
Finish the Fourth Memory Mirror in less than 3 minutes.
Finish the Fifth Memory Mirror in less than 3 minutes.
Find half of all Collectibles.
Find all Collectibles.
Play Chapter 1 without skipping any cutscenes.
Finish a Hidden Object Puzzle in less than 20 seconds.
Find 3 hidden objects within 3 seconds.
Finish all Hidden Object Puzzles without using the Hint button.
Finish Game on Expert Difficulty.
Read 30 in-game writings during your journey.
Open the gate in the Garden without making a negative.
Win a Rune Battle Minigame against a Maskwraith without an error.
Win the final rune battle without an error.
Finish the Tutorial.
Win the last fight against the Koshmaar without failing.
Make a choice whether to fight or to deal with Koshmaar.
Finish the last minigame in the game without the skip.
Move the ladder back, forth, back and forth again!