📸 Ending imagery screenshots

Image source: official Steam screenshots (Wrong Organ / Critical Reflex)

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🏁 Mouthwashing Ending and Achievement Guide

Mouthwashing’s Single Ending and Five Employee Cards [2026]

The linear ending, five employee cards and all 18 Steam achievements, including The Good Ending and Yimpy. Includes character fates and readings of Polle, cake and birthday imagery; interpretations and untested triggers are marked accordingly.

Updated: May 17, 2026 One ending, without branching routes Employee cards 5 cards + 18 achievements

Detailed section 1 — major spoilers

⚠️ Major spoiler warning: read first

⚠️ This page discusses Mouthwashing’s major spoilers for the heart of Mouthwashing’s story throughout.

This is a short psychological horror story, often taking around two hours; reconstructing the truth from its disrupted timeline is part of the experience.

▸ If you have not played, we strongly recommend completing one playthrough first.
▸ The crash, the crew’s deaths and the ending substantially change a first encounter with the story.
▸ This page is intended for post-game interpretation, five-card cleanup and achievements.

📋 Lower-spoiler reference sections

The card-location and achievement FAQs minimize plot detail, but names, scenes and descriptions can still spoil events. The rest of the page assumes you have finished the story.

📋 Contents

1. Ending structure: one linear outcome
2. The single ending: requirements, scenes and readings
3. Collectibles and secrets: five cards, Polle and Yimpy
4. All 18 achievements and The Good Ending
5. Five employee card locations
6. The five crew members’ fates
7. Frequently asked questions
8. Related guides

Detailed section 2 — major spoilers

🎯 Ending structure: one linear outcome

Mouthwashing is a linear narrative horror game without branching endings, with one story ending. Choices do not lead to RPG-style alternate endings, collectible epilogues or a cake-dependent outcome. The fixed conclusion can be read in relation to Jimmy’s inability to escape responsibility.

📌 One outcome rather than branching routes

There is no choice-based route that prevents Anya’s death or restores Curly. Curly is alive at the final scene, but rescue is unresolved. The experience centers on reconstructing and witnessing events through a disrupted timeline.

A repeat playthrough can help compare earlier clues and collect five employee cards and work toward 18 achievements. The Good Ending is an optional achievement associated with the graveyard sequence, not another story ending.

Detailed section 3 — major spoilers

🏁 The single ending: requirements, scenes and interpretations

Mouthwashing’s single ending is discussed through its requirements, presentation and possible symbolic readings.

Detailed section 4 — major spoilers

Ending #1: single ending 🏁 Story ending

Name used in this guide

Go Home (Single Ending)

Type

True（Story route）

Estimated difficulty

★☆☆☆☆ (reached by finishing the story)

🗝️ Requirement

Reach the end of the story. The ending is fixed, without an alternate route.

Continue to the end of the story. The outcome is fixed; no branching route or earlier choice replaces it with another ending.

🎬 Scene details

Jimmy arranges the bodies at a birthday table, then places Curly in the only working cryopod and claims to have fixed things. He dies by suicide off-screen; the final viewpoint is Curly’s as the pod activates and Jimmy’s suicide is heard. A nominal twenty-year sleep leaves discovery uncertain, with no rescue shown. Cards and other choices do not replace this single outcome.

💭 Symbolic readings

The meaning of “Mouthwashing”: One reading connects rinsing the mouth with trying to erase words, memories or wrongdoing. Jimmy’s denial parallels the cargo’s literal mouthwash, while the birthday and cake imagery can suggest the failure of that attempted cleansing. This is interpretation rather than an official explanation.

The final cryopod and Jimmy’s suicide: Jimmy arranges the bodies at a birthday table, places Curly in the only working cryopod, claims to have fixed things and dies by suicide off-screen. The final perspective is Curly’s. The nominal twenty-year sleep leaves rescue uncertain; no later recovery is shown.

The player as witness: Jimmy’s viewpoint is unreliable. The final shift to Curly can place the player in the position of a witness unable to respond. The story does not establish Jimmy’s redemption.

💡 Experiencing the story

A first playthrough without detailed guides lets you assemble your own reading. Afterward, revisit the clues and symbolic imagery. A further run can target the five employee cards and any missing entries from the 18-achievement list; completion time and replay-menu behavior have not been tested here.

Detailed section 5 — major spoilers

🔮 Collectibles, secrets and achievements: cards, Polle and Yimpy

The principal collectible set is five employee cards. Other points of interest include Pony Express’s mascot Polle, the horse, the achievement「The Good Ending」and the optional achievement「Yimpy」. There are 18 Steam achievements in the saved list. Key topics follow.

five Employee Cards

Five employee cards form the principal collectible set, each unlocking the achievement named Curly, Jimmy, Anya, Daisuke or Swansea.

🔍 How to find it

Find Anya in the Cockpit, Swansea/Daisuke/Jimmy in three different Lounge scenes and Curly in Utility. Use the employee-card guide for each community chapter and interaction point.

Polle and Pony Express

Polle is Pony Express’s horse mascot, appearing in company imagery and as a threatening figure in surreal scenes. Reading that transformation as guilt is interpretive; a mandatory collectible plush is not established.

🔍 How to find it

The later warehouse sequence uses mouthwash crates and a threatening horse figure. It is a story sequence, not an optional plush-collection route.

The Good Ending achievement

Steam specifies being killed by Swansea ten times in the graveyard. This is an optional achievement rather than a branching story ending.

🔍 How to find it

Be killed by Swansea ten times in the graveyard. Source-checked against Steam; not tested in-game here.

The optional achievement Yimpy

The official condition is ten seconds of eye contact with Yimpy. Two independent player guides place the drawing on the Medical corkboard; their chapter numbers differ and a required zoom input is not established.

🔍 How to find it

Find Yimpy’s drawing on the Medical corkboard and maintain eye contact for ten seconds. This combines the official condition with two player references for the location; exact chapter numbering, zoom requirements and in-game unlocking remain untested here.

Other optional achievements (18 in total)

The 18-entry Steam list includes Sock Puppet (repeatedly opening and closing Curly’s mouth), The Name Of The Game (using a bottle of Mouthwash), Wasteful (mixing Pony Express’s special mocktail at Curly’s birthday) and Any% Glitched (taking Polle’s Mouthwash bottle within 35 seconds of starting Chapter 14). These official conditions were checked as source material, not unlocked in-game here.

🔍 How to find it

Some accompany required actions; others require deliberate optional interactions.

Detailed section 6 — major spoilers

🏆 All 18 achievements and The Good Ending

Mouthwashing has 18 achievements. Some accompany story actions; others need deliberate attention. The principal collectible goal is five employee cards, each unlocking the achievement named Curly, Jimmy, Anya, Daisuke or Swansea.

🎯 Achievements to plan for

▸ five employee cards（Curly／Jimmy／Anya／Daisuke／Swansea）
▸ The Good Ending: Steam specifies being killed by Swansea ten times in the graveyard. This does not create another ending.
▸ Yimpy: Maintain eye contact with Yimpy for ten seconds. Two independent player guides place the drawing on the Medical corkboard; exact chapter numbering and any zoom requirement remain uncertain.
▸ Wasteful: Mix Pony Express’s special mocktail for Curly’s birthday party; the earlier requirement to do it before cake is unsupported.
▸ The Name Of The Game: Use a bottle of Mouthwash, as stated by Steam.

📊 Achievement notes

▸ Total: 18 achievements
▸ Story-related entries: Some unlock through required story actions; not every entry is automatic.
▸ Do not confuse The Good Ending with an ending: Its name does not establish a branching story route.
▸ Missable scenes: Certain cards and interactions belong to specific scenes.
▸ Repeat playthrough: Plan cards and specific missing achievements on a further run.

📋 A practical cleanup order

Focus on the story first: Experience the ending and clues without forcing collectible cleanup.
Collect the five employee cards on a further run: The cockpit locker, Lounge vending tray, board-game table, Polle’s hat and Utility cryopod each belong to a particular scene.
The Good Ending achievement: Be killed by Swansea ten times in the graveyard, as stated by Steam.
「Yimpy」: Maintain eye contact with Yimpy on the Medical corkboard for ten seconds. The time is Steam’s official condition; the location is corroborated by two player references.
Story-action achievements: Check the relevant cocktail and mouthwash interactions against the Steam descriptions.

※ Collect each card in its listed scene. Normal menu-based chapter replay and post-game free roaming have not been verified here.

Detailed section 7 — major spoilers

🪪 All five employee cards

The principal collectible set is five Employee Cards. Each unlocks the achievement named for that crew member. There is no verified separate photograph-collection set.

📊 Employee card summary (all 5 cards)

Curly’s employee card

★★★☆☆

Jimmy’s employee card

★★★★☆

Anya’s employee card

★★★☆☆

Daisuke’s employee card

★★☆☆☆

Swansea’s employee card

★★☆☆☆

Total: 5 cards; collect them during their corresponding story scenes.

Detailed section 8 — major spoilers

🪪 #1 Curly’s employee card ★★★☆☆

Main location

Utility / working cryopod

Finding difficulty

★★★☆☆

🔍 Location hint

Community chapter 19, before taking the gun: on the Utility floor beside the right-hand cryopod. Collect it during that story scene for the Curly achievement.

Detailed section 8 — major spoilers

🪪 #2 Jimmy’s employee card ★★★★☆

Main location

Utility / working cryopod

Finding difficulty

★★★★☆

🔍 Location hint

Community chapter 16, cocktail scene: inside the hat beside the broken Polle statue in the Lounge. Collect it for the Jimmy achievement.

Detailed section 8 — major spoilers

🪪 #3 Anya’s employee card ★★★☆☆

Main location

Cockpit / locker

Finding difficulty

★★★☆☆

🔍 Location hint

Community chapter 1, opening emergency-key scene: inside the cockpit locker, on its left interior wall. Collect it before leaving the scene for the Anya achievement.

Detailed section 8 — major spoilers

🪪 #4 Daisuke’s employee card ★★☆☆☆

Main location

Lounge / shared space

Finding difficulty

★★☆☆☆

🔍 Location hint

Community chapter 9, “Check On Curly”: beside the board game on the coffee table in front of the Lounge sofa. Collect it for the Daisuke achievement.

Detailed section 8 — major spoilers

🪪 #5 Swansea’s employee card ★★☆☆☆

Main location

Lounge / vending machine

Finding difficulty

★★☆☆☆

🔍 Location hint

Community chapter 8, axe-search scene: in the lower dispensing tray of the broken Lounge vending machine. Collect it for the Swansea achievement.

Detailed section 9 — major spoilers

💭 The fates of Anya, Curly, Jimmy, Daisuke and Swansea

A character-by-character summary of the ending. Jimmy’s deliberate crash and the crew’s final fates are story events; detailed motives and symbolic meanings remain open to interpretation.

🎭 Jimmy: violence and denial

Jimmy deliberately causes the crash by disabling the autopilot and setting the collision in motion. His reaction to the company closure and Anya’s pregnancy gives context for a reading about avoiding accountability. Polle, cake and birthday hallucinations can be discussed as denial; they do not excuse his actions.

▸ Final fate: after arranging the bodies at a birthday table and placing Curly in the last cryopod, Jimmy dies by suicide off-screen. Redemption is not confirmed.

🤐 Curly: an injured victim and failed protector

Curly is the original captain, severely injured by Jimmy’s deliberate crash. He loses the ability to speak or move. His victimhood coexists with his earlier failure to protect Anya; the story does not establish complete innocence.

▸ Final fate: Jimmy places him in the only working cryopod and claims to have fixed things. The final perspective is Curly’s. Twenty years of nominal cryosleep offers an uncertain possibility, not confirmation of rescue.

💔 Anya: a silenced voice

Anya is pregnant following Jimmy’s sexual assault and remains trapped with him while continuing medical duties. Her attempts to seek protection and her isolation are central to the story’s emotional and moral questions.

▸ Final fate:she dies by overdose after locking herself in Medical, before Daisuke’s vent injuries. The game does not establish a secret killing by Jimmy.

🌱 Daisuke: exploited trust

Jimmy sends Daisuke through a damaged vent, where he is gravely injured. His trust is betrayed. Anya has already locked herself in Medical; the earlier claim that she protests this decision is unsupported and conflicts with the sequence.

▸ Final fate: after Daisuke’s injuries prove fatal, Swansea ends his suffering with the axe. The event gives their mentor–intern relationship tragic weight.

🔧 Swansea: resistance and a final witness

Swansea can be read as a flawed conscience under extreme conditions. His cynicism contrasts with his care for Daisuke, his painful decision to end the mortally injured intern’s suffering with the axe, and his later resistance to Jimmy. Neither an official moral ranking nor a claim that he notices everything first is established.

▸ Final fate: Jimmy drugs him before the vent incident, then shoots him in a later confrontation. These are separate events, with Daisuke’s death between them.

📌 Reading the overall structure

A structure in which rescue and repair fail can be read through the five characters and disrupted chronology: Jimmy causes harm, Curly is injured after failing to protect Anya, Anya dies, Daisuke is exploited and Swansea is killed. The personal tragedy also reflects Pony Express’s institutional disregard for its workers.

The cargo of mouthwash can symbolize workers’ disposability, while the title can suggest attempted personal and institutional cleansing. That reading does not make Jimmy’s actions inevitable or excuse them. No claim that it is the community’s most popular interpretation is supported here.

Detailed section 10 — major spoilers

❓ Frequently asked questions

Q1. Are there branching endings or a true-ending route?

**Major spoilers. No: the story has one linear ending.** Choices and employee cards do not create an alternative epilogue. Jimmy arranges the bodies at a birthday table, puts Curly in the remaining working cryopod, claims to have fixed things and dies by suicide off-screen. The final perspective is Curly’s. The fixed outcome can be read as part of the story’s treatment of inescapable responsibility.

Q2. Are there collectibles? What are the five employee cards?

The principal collectible set is **five employee cards**, each associated with an achievement named for its crew member. The validated locations are Anya in the cockpit locker; Swansea in the broken Lounge vending machine; Daisuke beside the board game on the Lounge table; Jimmy in the hat beside broken Polle; and Curly beside the working cryopod in Utility. They appear in different story scenes. There are 18 achievements, and the cards do not unlock another ending.

Q3. What are The Good Ending and Yimpy?

**The Good Ending is an achievement, not a branching story ending.** Steam requires being killed by Swansea ten times in the graveyard. **Yimpy** requires ten seconds of eye contact; two independent player guides place the drawing on the Medical corkboard, but differ on chapter numbering and do not establish whether zooming is required. **Wasteful** concerns Pony Express’s mocktail at Curly’s birthday party, separate from drugging Swansea. These are source-checked conditions, not in-game unlock tests. There are 18 achievements.

Q4. What ultimately happens to the five crew members?

**Major spoilers.** Jimmy deliberately crashes the Tulpar. Anya, pregnant after his assault, dies by overdose before Daisuke dies. Curly is gravely injured in the crash; victimhood does not erase his earlier failure to protect Anya. Jimmy sends Daisuke through the damaged vent; Swansea ends the mortally injured intern’s suffering. Jimmy drugs Swansea before that vent incident, then shoots him later. At the end Jimmy arranges the bodies at the table, puts Curly in the last working cryopod and dies by suicide off-screen. Curly’s possible rescue remains unresolved; reading the title as washing away responsibility is interpretation.

📚 Official information and editorial policy

Official information and editorial scope: