The Mermaid Mask achievements

Ledger 03-A

Start from the verified total of 21

Steam App 1696770 reports 21 achievements. Treat that total as the completion denominator and every platform-confirmed unlock as one checked space. Do not use the ten store highlights as though they were the entire list: highlighted achievements are promotional examples, not a full schema. The route-exclusive case ledger visual therefore contains 21 numbered spaces without manufacturing eleven missing titles. It can track overall progress even when the platform keeps an achievement hidden or the captured store response omits its display name.

The most reliable routine is to check Steam after a clear story transition, a completed deduction, or a distinctive optional interaction. If an achievement appears, record its exact platform name and the save state that produced it. If nothing appears, continue the case instead of repeating an action based only on a pun in a title. The game’s official feature list includes Save Anytime, so preserve one checkpoint before a major deduction and another after it. A recoverable pair lets you revisit optional interactions without converting the entire walkthrough into an achievement-cleanup replay.

• Verified denominator: 21 total Steam achievements.
• Publicly highlighted subset in the captured store record: 10 exact names.
• Tracking rule: count only a platform-confirmed unlock, never a guessed trigger.
• Save rule: preserve a checkpoint before and after a major deduction or case transition.

Ledger 03-B

Read the ten official highlighted names exactly

The records below reproduce the names exposed by Steam’s official app data, including capitalization and punctuation. “Highlighted by Steam” is the only status asserted. A title may resemble a chapter, character, clue action, or joke, but resemblance is not evidence of an unlock condition. That distinction is especially important for a detective game: converting a name into a presumed trigger can spoil a scene, send a player to the wrong interaction, or falsely label an achievement as missable.

Use this index to compare spelling after an unlock and to avoid duplicate entries in your own notes. The two clue-gathering titles are separate achievements because Steam lists them as separate names. Punctuation also distinguishes the official display: Eye Eye, Captain includes a comma; How Rude! ends with an exclamation mark; and Sally. We’ve been over this. uses two periods. The list deliberately stops at ten because the remaining names are not present in the sealed store snapshot.

Ledger 03-C

Build a save ledger around confirmed case changes

Use three save roles. The baseline save sits before a major deduction or irreversible-feeling conversation. The progress save sits immediately after the objective changes. The cleanup save is a copy you can use to test optional interactions while preserving the main route. Give each one a short location or objective label rather than a character theory; factual labels remain useful even after the case changes your interpretation. Steam Cloud can protect synced saves, but it does not replace a clear in-game naming routine or confirm which state contains a missed interaction.

When an achievement unlocks, record four details: exact name, current objective, most recent completed action, and save used. Those fields separate evidence from coincidence. If two actions occurred close together, reload only if the save makes the test quick and does not force you to repeat a long scene. Otherwise keep the unlock confirmed and leave the trigger undescribed. A completion guide becomes less accurate when it publishes a confident but untested cause, especially during a launch window when platform descriptions may still be hidden.

Ledger 03-D

Protect optional interactions without calling them missable

Before advancing a deduction, finish the dialogue topics directly connected to the newest evidence and inspect any object whose prompt changed. That is good completion practice because it captures optional writing and reduces the chance of leaving a contextual interaction behind. It is not proof that an achievement is missable. Apply the label “missable” only when a verified condition and a point of no return have both been demonstrated. Until then, a recoverable save is a precaution, not evidence of a hidden requirement.

Use the walkthrough for investigation order and the puzzle desk for mechanisms. Neither route should duplicate achievement guesses. If an official unlock name appears during normal progress, the ledger can mark it without adding a separate thin URL. If an optional action becomes verifiable later, the record can gain a condition, chapter context, and save recommendation in the same row. That keeps the page aligned with the 21-item player job while preserving the difference between official data, observed platform behaviour, and an attractive theory.

Ledger 03-E

Achievement tracking questions

The short answers below preserve the evidence boundary while still giving completion players a workable routine. They rely on Steam’s official total, highlighted names, Save Anytime, Steam Achievements, and Steam Cloud feature records. They do not treat an icon, name, screenshot, or guide heading as an unlock description.