1. Walkthrough overview
Nightmares of the Deep 2: The Siren’s Call is a point-and-click adventure from Artifex Mundi, the sequel to Nightmares of the Deep: The Cursed Heart.
The puzzles in the game generally come in two forms. You explore the world looking for items to pick up and places to use them as is common in many such puzzle games. There are also hidden picture scenes where you have to find a set of items hidden in a complicated and cluttered scene. Every hidden picture scene can be bypassed by playing a game of Mahjong solitaire instead.
To gather all of the achievements will require two full playthroughs as you have to complete every game of Mahjong as well as completing the hidden picture puzzles.
There are also achievements which require you to finish Mahjong and hidden object puzzles in less than a minute, solving puzzles without skipping or using hints, finding collectibles, and playing on the hardest difficulty (which really just limits the number of in-game hints and assistance you get)
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