The Mermaid Mask Guide | How to Solve Puzzle in Dome Tank
Here's a guide on how to solve puzzle in Dome Tank in The Mermaid Mask.
Game Guide by Rubaiyat Shihab on Jul 22, 2026
The Treasure Chest puzzle sits atop the rocks in the middle of the Dome Tank in The Mermaid Mask, and it requires reporting to Sinthia first.

Solving the Treasure Chest
For this puzzle, you match flags to pirates based on their field of vision, then rotate each pirate to face the tower matching their flag's color. The Blue Tower matches the pirate wearing an eyepatch. The Red Tower matches the pirate wearing a hat. The Yellow Tower matches the pirate with a clear field of vision. The Green Tower matches the pirate holding a spyglass. Solving the Treasure Chest puzzle unlocks the Ocean Treasure.
FAQ
Q. What do I need to do before this puzzle becomes available?
A. You need to report to Sinthia first.
Q. How do I match the pirates to their towers?
A. Each pirate's field of vision, based on details like an eyepatch, hat, spyglass, or clear vision, determines which colored tower they face.
Q. What does solving the Treasure Chest puzzle unlock?
A. It unlocks the Ocean Treasure.
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 Airlock Grotto
- The Mermaid Mask Guide | How to Solve Puzzle in Bilge
- The Mermaid Mask Guide | How to Solve Puzzle in Illusion Theater
Editor, NoobFeed
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