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About The Mermaid Mask
Detective Grimoire and Sally return to the eerie Mortuga Submarine, a hand‑painted vessel sunk beneath a forgotten fishing town. A murdered captain, an ancient stone cauldron, and a cast of fully voiced suspects set the stage for a 3‑D clue‑hunting adventure. Every clue appears as a fully realised object you can examine, while a haunting original soundtrack performed by the Budapest Art Orchestra underscores the mystery. The game runs at your own pace, with no timed input, and supports a range of input methods.
01 / THE GUIDE
Investigation Mechanics
Clues are presented as three‑dimensional objects that can be inspected for hidden details, encouraging careful observation. The narrative unfolds as Grimoire and Sally piece together evidence about the captain’s death. The game does not impose timed challenges, allowing players to explore each area of the Mortuga Submarine without pressure. This design supports a methodical, puzzle‑focused experience.
- Take your time with each object; subtle visual cues often reveal extra information.
- Compare similar clues side‑by‑side to spot inconsistencies in the story.
02 / THE GUIDE
Audio & Voice
All characters, including the mysterious suspects, are fully voiced in English, adding depth to the dialogue and atmosphere. The soundtrack, performed by the Budapest Art Orchestra, provides a haunting backdrop throughout the submarine. Audio is integral to the experience, with voice lines and music synchronized to the hand‑painted environments, enhancing immersion without requiring additional language packs.
- Listen closely to each voice line, since the dialogue carries key details of the mystery.
- Adjust the custom volume controls to balance voice and music to your preference.

03 / THE GUIDE
Controller & Input Options
The title offers full controller support, including DualShock and DualSense compatibility, alongside mouse‑only and touch‑only options. Players can choose whichever method feels most comfortable. Because the game is playable without timed input, any of these input schemes can be used at a relaxed pace, ensuring accessibility across different hardware setups.
- Try the touch‑only option on a tablet for a more tactile clue‑inspection experience.
- Switch between controller and mouse to see which lets you navigate the 3‑D objects more precisely.
04 / THE GUIDE
Progress & Cloud Features
Save Anytime lets you record your investigation at any point, preserving your discoveries. Steam Cloud integration ensures those saves travel with your account across machines. Family Sharing is also supported, allowing other household members to experience the mystery without needing a separate purchase.
- Create a manual save before a major clue reveal to easily revert if needed.
- Check Cloud sync status after switching computers to confirm your progress transferred.
05 / THE GUIDE
Art & Environment
Every inch of the Mortuga Submarine is hand‑painted, giving the underwater setting a distinctive, atmospheric look. The visual style complements the mystery, making each compartment feel unique. The design encourages exploration; hidden details in the artwork often tie back to clues, rewarding attentive players with deeper narrative layers.
- Zoom in on wall textures; subtle brush strokes may hint at secret compartments.
- Contrast the lighting in different rooms to notice objects that stand out.





COMMUNITY
Player discussion