The Mermaid Mask All Puzzle Solutions: A Complete Guide to the Mortuga Mystery

Master every mystery in The Mermaid Mask with our comprehensive guide to all puzzle solutions, clue locations, and achievement tips for the Mortuga submarine.

The return of Detective Grimoire and his sharp-witted partner Sally has finally arrived in the highly anticipated 2026 release, The Mermaid Mask. This time, our favorite investigative duo finds themselves trapped deep underwater within the claustrophobic and eccentric confines of The Mortuga submarine. If you are struggling to piece together the evidence behind the captain's untimely demise, finding The Mermaid Mask all puzzle solutions is the only way to resurface with the truth.

Navigating a murder mystery on a submarine requires more than just a keen eye; it demands a logical mind capable of connecting disparate clues. Whether you are stuck on a specific mechanical riddle or need help with a complex deduction, this guide to The Mermaid Mask all puzzle solutions will ensure you never miss a beat. From the eerie "Curse in the Cauldron" to the final reveal, we have mapped out every step of this nautical noir adventure.

The Mortuga Submarine: Investigation Mechanics

Before diving into the specific solutions, it is essential to understand how The Mermaid Mask handles its gameplay loop. Unlike traditional point-and-click adventures that rely on pixel hunting, this game emphasizes environmental storytelling and 3D object interaction. You can click on almost anything to hear Grimoire or Sally’s thoughts, but only specific items will trigger the "Inspection" mode.

In the Inspection mode, you can rotate items in a full 3D space. This is often where the most vital clues are hidden—underneath a box, inside a locket, or etched into the side of a tool. Your progress is saved automatically, allowing you to explore the submarine’s various rooms at your own pace. However, certain areas remain locked until you have gathered enough testimony or solved prerequisite puzzles.

Chapter-by-Chapter Puzzle Breakdown

The game is structured into distinct chapters, each focusing on a different area of the submarine and a new set of suspects. Below is a breakdown of the early game puzzles and the logic required to bypass them.

Prologue: The Beginning

The prologue serves as a tutorial for the game’s core mechanics. You’ll learn how to navigate the 2D environments and interact with the 3D clue system. The primary goal here is to establish the scene of the crime and identify the initial suspects.

Puzzle NameLocationPrimary ObjectiveKey Solution Hint
The Captain's LogCaptain's QuartersOpen the locked desk drawerRotate the logbook to find the hidden key taped to the back cover.
The Mortuga MapNavigation RoomAlign the coordinatesMatch the sonar pings with the historical landmarks on the parchment.
The First DeductionMain DeckLink two clues togetherConnect the "Broken Glass" with the "Captain's Toasted Drink."

Chapter 1: The Curse in the Cauldron

This chapter introduces the more supernatural elements of the mystery. You will spend a significant amount of time in the galley and the engine room. Player experience suggests that this is where the difficulty begins to spike, particularly with the chemical mixing puzzle.

The Cauldron Mixing Puzzle: To solve this, you must analyze the residue found in the captain’s bowl. You will need to balance three different chemical compounds to match the color and viscosity of the sample.

  1. Add two parts of the Blue Reagent.
  2. Stir clockwise three times.
  3. Add one part of the Yellow Catalyst.
  4. Apply heat until the mixture turns a deep emerald green.

Master Table of Clue Locations

Finding every clue is mandatory if you want to achieve the "Master Sleuth" status. Below is a list of easily missed items that are crucial for reaching The Mermaid Mask all puzzle solutions.

Clue NameRoomHow to FindImportance
Tattered Mermaid MaskStorage LockerHidden behind the heavy diving suit.The central mystery item of the game.
Oily RagEngine RoomUnder the floorboards near the leak.Proves the presence of a specific suspect.
Encrypted TelegramRadio RoomInside the trash bin (must be reconstructed).Reveals a secret motive for the murder.
Captain's PipeObservation DeckLodged in the telescope mechanism.Suggests the captain was not alone before the hit.
Guest ListDining HallOn the underside of the main table.Identifies an unregistered passenger.

The Deduction System: Connecting the Dots

The heart of The Mermaid Mask is the deduction screen. Here, you aren’t just solving puzzles; you are building a narrative. You will be presented with a series of "thought bubbles" that need to be filled with the correct clues and suspects.

According to community reports, the most common mistake players make is trying to force a deduction before they have gathered all the "Sub-Clues." If a deduction isn't working, go back and re-examine your 3D items. Often, there is a piece of text or a symbol you haven't "clicked" on yet, which prevents the game from recognizing your logic.

Deduction Logic Example

  • Premise: Who had access to the Captain's private safe?
  • Clue A: The Master Key (Found in the Galley).
  • Clue B: The Fingerprint Dust (Reveals a small handprint).
  • Suspect: Sally notes that the Cook has remarkably small hands.
  • Conclusion: The Cook used the Master Key to access the safe.

Achievement Guide: Reaching 100% Completion

There are 21 achievements in The Mermaid Mask. While many are story-related, some require you to interact with the environment in specific, non-obvious ways.

Achievement NameRequirementType
Deep Sea DiverComplete the Prologue.Story
Detail OrientedInspect 50 different items in 3D mode.Exploration
No Stone UnturnedFind every single clue in Chapter 1.Completionist
Speed SleuthSolve a deduction in under 30 seconds.Skill
TalkativeListen to 100 optional voice lines.Fun
The Truth RevealedFinish the game and identify the killer.Story

For those looking for more in-depth lore or developer updates, visiting the official SFB Games website is a great way to stay connected with the creators of the Detective Grimoire series.

Advanced Tips for Puzzle Solving

When you are looking for The Mermaid Mask all puzzle solutions, it helps to keep a few "detective rules" in mind. The game designers often use visual cues to lead you toward the answer.

  • Follow the Light: Important interactive objects are often placed near light sources like lamps, portholes, or glowing machinery.
  • Listen to Sally: If you are stuck, talk to Sally. She often provides a "hint" that narrows down which room you should be investigating next.
  • The Rule of Three: Most complex puzzles in the submarine require three distinct steps or three separate items to complete. If you only have two, you aren't done searching.
  • Check the Ceiling: In a 3D environment, players often forget to look up. The Mortuga has several clues tucked away in the piping and rafters of the submarine.

Puzzle Difficulty Rankings

Not all puzzles are created equal. Based on player feedback and general gameplay flow, here is how the various puzzle types in The Mermaid Mask rank in terms of difficulty.

Puzzle CategoryDifficulty (1-5)Common Obstacle
Mechanical (Gears/Levers)2Finding the missing handle.
Deductions (Logic)4Misinterpreting a suspect's motive.
Chemical/Mixing5Getting the order of operations wrong.
Navigation (Maps)3Understanding the compass orientation.
Hidden Object1Just requires patience and clicking.

Why The Mermaid Mask is a Must-Play

The charm of The Mermaid Mask lies in its atmosphere. The cartoon-like art style contrasts beautifully with the dark, murderous undertones of the plot. The voice acting brings Detective Grimoire and Sally to life, making the player feel like they are part of a high-stakes animated special.

The setting of the Mortuga submarine provides a unique "locked-room" mystery vibe. Every character has a reason to be there, and every character has something to hide. By following our guide to The Mermaid Mask all puzzle solutions, you can peel back the layers of deception and see the brilliant writing that SFB Games is known for.

Final Thoughts on the Mortuga Mystery

Solving the murder of the captain is a journey filled with red herrings and surprising twists. While the puzzles can be challenging, they are never unfair. The game encourages you to think like a detective—observing the environment, questioning inconsistencies, and using logic to bridge the gaps in your knowledge.

Remember to keep your clue menu organized and revisit old locations whenever you find a new tool. The submarine is a living, breathing entity, and secrets have a way of floating to the surface when you least expect them. With this guide to The Mermaid Mask all puzzle solutions, you are well-equipped to solve the case and earn every achievement the game has to offer.


Frequently Asked Questions

How many chapters are in The Mermaid Mask?

While the game starts with a Prologue and Chapter 1: The Curse in the Cauldron, the full game features several chapters that take you through different sectors of the Mortuga submarine. Each chapter concludes with a major deduction that moves the story forward.

Can I miss any clues in The Mermaid Mask?

Yes, it is possible to move past certain points without finding every optional clue. However, the game will generally prevent you from finishing a chapter if you haven't found the "Critical Clues" necessary for the final deduction. To find The Mermaid Mask all puzzle solutions, it is best to be thorough in every room.

What should I do if I'm stuck on a 3D inspection puzzle?

If you can't find the interaction point on a 3D object, try rotating it slowly and looking for seams, buttons, or hidden compartments. Sometimes, the clue is simply a piece of text that you need to click on to "read" and register in your clue menu.

Are there multiple endings to the game?

The main mystery has a definitive solution, but your performance in deductions and the number of clues you find can affect your final rank and the achievements you unlock. Finding The Mermaid Mask all puzzle solutions ensures you get the most complete version of the story.