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 in less than 20 seconds.
Win the final rune battle without an error.
Play all Minigames without skipping.
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 all Collectibles.
Finish a Hidden Object Puzzle with less than 4 mistaps.
Finish all Hidden Object Puzzles without using the Hint button.
Finish Game on Expert Difficulty.
Read all the newspapers at the Lichtenheim Train Station.
Open the gate in the Garden without making a negative.
Finish the Tutorial.
I got to the first Incarceri Stone. Made a choice. Was it enough to get rid of the Koshmaars once and for all?
Make a choice whether to fight or to deal with Koshmaar.
Win the last fight against the Koshmaar without failing.
Finish the last minigame in the game without the skip.
Move the ladder back, forth, back and forth again!
We saved the city, and Camilla. The Koshmaar is re-imprisoned. But so is Gabriel. It is a bittersweet victory.
Solomon is dead. He turned into a Maskwraith. Gabriel showed up, and we joined forces.
Read 30 in-game writings during your journey.
I have everything I need to face the Koshmaar.
Find half of all Collectibles.
Gabriel double-crossed me, but I know where to find him now.
Solomon's hurt. I must find a cure for him.
Finish the Second Memory Mirror in less than 3 minutes.
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.
Play Chapter 1 without skipping any cutscenes.
Play 4 Minigames in a row without skipping.
Finish the First Memory Mirror in less than 3 minutes.
Win a Rune Battle Minigame against a Maskwraith without an error.
Finish a single Hidden Object Puzzle without using the Hint button.
Find 3 hidden objects within 3 seconds.
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.