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The Mermaid Mask

SFB Games

An impossible locked-room murder: Captain Mortuga lies dead beside an ancient cauldron aboard the world’s strangest submarine, crewed by sketchy suspects. A handcrafted point-and-click with sharp humour and tricky puzzles. Dive into the next mystery from the creators of Tangle Tower & Crow Country.

AdventureCasualIndie

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About This Game

In the pitch-black waters beyond a long-abandoned fishing town, the enigmatic captain of the world's strangest submarine has been murdered. Some say he was an immortal time-traveller. Others say he was a vampire, cursed to stay hidden beneath the waves forever...

Found alone in a locked room, with only an ancient stone cauldron to suggest how he might have died, it's up to Detective Grimoire and Sally to piece together what really happened. Was it a curse, released from the cauldron? One of the submarine's eccentric crew? Or does the bizarre truth run even deeper...

• Every clue is a fully realised 3D object waiting to be examined for hidden secrets
• Grimoire and Sally are back, and joined by a fully voiced cast of mysterious suspects
• A hauntingly beautiful original soundtrack performed by the Budapest Art Orchestra
• Explore every hand-painted inch of The Mortuga Submarine, where not all is as it seems...

*Voice audio is only in English

Community Activity

  1. PipOwOPost
  2. PipOwOCollection

    S Tier (2026)

    Those games that I've absolutely loved in 2026

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    The Hidden Gems of 2026

    Every year, some of the best games fly under everyone's radar. Here's a list of the best games you should have played in 2026.

  5. The Mermaid MaskSteam announcement

    A BIG THANK YOU

    That is the whole message. Everything below is optional. We just wanted you all to know how grateful we are for all the love and support for The Mermaid Mask around the game's…

  6. PolygonArticle
  7. The Mermaid MaskSteam patch notes

    Update Notes 19th July

    Hi everyone! Another update for you today, focussing on helping folks find their way through the game. Added icons to indicate when a clue in your casefile might need reading,…

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