The Mermaid Mask Guide | How to Solve Puzzle in Airlock Grotto
Here's a guide on how to solve puzzle in Airlock Grotto in The Mermaid Mask.
Game Guide by Rubaiyat Shihab on Jul 22, 2026
The Diving Helmet puzzle sits on the top shelf on the left side of the Airlock Grotto in The Mermaid Mask.

Solving the Diving Helmet
For this puzzle, you need to rotate the dials so they line up with the neighboring dials at each connecting point. Solving the Diving Helmet puzzle unlocks the Pocketbook.
FAQ
Q. Where is the Diving Helmet puzzle located?
A. It's on the top shelf on the left side of the Airlock Grotto.
Q. What's the goal of this puzzle?
A. You need to rotate each dial so it matches up with the dials connected to it.
Q. What does solving the Diving Helmet puzzle unlock?
A. It unlocks the Pocketbook.
Also, check our The Mermaid Mask Review and other guides below:
- The Mermaid Mask Guide | How to Solve Puzzle in Mess Hall
- The Mermaid Mask Guide | How to Solve Puzzle in Dream Chamber
- The Mermaid Mask Guide | How to Solve Puzzle in Child's Room
- The Mermaid Mask Guide | How to Solve Puzzle in Control Room
- The Mermaid Mask Guide | How to Solve Puzzle in Captain's Quarters
- The Mermaid Mask Guide | How to Solve Puzzle in Sym & Sinthia's Bunk
- The Mermaid Mask Guide | How to Solve Puzzle in Dirk & Wirman's Bunk
- The Mermaid Mask Guide | How to Solve Puzzle in Engine Room
- The Mermaid Mask Guide | How to Solve Puzzle in Cargo Hold
- The Mermaid Mask Guide | How to Solve Puzzle in Bilge
- The Mermaid Mask Guide | How to Solve Puzzle in Illusion Theater
- The Mermaid Mask Guide | How to Solve Puzzle in Dome Tank
Editor, NoobFeed
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