Full list of all 32 Nightmares from the Deep 3: Davy Jones achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Finish the whole game in Expert mode.
Finish 3 Hidden Object Puzzles by playing Mahjong.
Finish the game.
Cancel all of the pacts.
Finish all Puzzles without using the Skip Button.
Find all of the hidden puzzle pieces.
Find all the glowing seahorses.
Find all of the Pirate Cards.
Interact with 16 Animals on the Island.
Listen to all of the Guardians’ stories.
Finish all Hidden Object Puzzles without using hints.
Open the Forbidden Gate.
Brew O’Malley's potion.
Get the witch to help you.
Find the hint about the treasure of Davy Jones.
Get to O’Malley’s Hideout.
Reconnect with Cory.
Finish a Hidden Object Puzzle in less than 1 minute.
Finish 6 Hidden Object Puzzles in a row without using hints.
Finish a Hidden Object Puzzle with less than 4 misclicks.
Find 5 hidden objects within 5 seconds.
Found out what Davy Jones was hiding in the Icehouse.
Found out how to cancel the pact.
Read 10 pop-ups in the game.
Got to the cell and found Cory.
Complete 3 Puzzles without using the Skip Button.
Find the first Pirate Card.
Interact with 3 Animals on the Island.
Find the first hidden puzzle piece.
Find a glowing seahorse.
Watch 5 cutscenes without using the Skip Button.
Escaped from Davy Jones’s cell.