
Game Overview
A doomed cargo freighter drifts through deep space with five people aboard, dwindling supplies, and no realistic prospect of rescue. Mouthwashing turns that simple survival setup into a suffocating first-person psychological horror story, where the damaged ship feels almost as hostile as the people trapped inside it. Captain Curly survives the crash in a grotesquely helpless state, leaving the remaining crew to confront the consequences of a catastrophe that may not be accidental. The tone is relentlessly bleak, mixing isolation, resentment, guilt, and surreal terror rather than relying on constant monster chases.
Players move through the Tulpar’s cramped corridors, examine objects, follow conversations, and complete small environmental tasks while the narrative jumps between key moments before and after the wreck. Exploration is deliberately focused instead of open-ended: details in medical bays, cargo areas, crew quarters, and malfunctioning systems gradually reveal what happened and how badly each survivor is coping. There is no conventional combat system or resource-management simulation, so tension comes from restricted movement, disturbing imagery, unreliable perception, and the knowledge that food and power are running out. Progress depends on paying attention to dialogue, visual clues, and shifts in perspective, with several sequences turning familiar spaces into feverish nightmare versions of themselves.
Its strongest feature is the way it makes the crew’s personal failures feel inseparable from the horror surrounding them. Low-poly character models and deliberately rough, retro-inspired visuals give the game an uncanny, dreamlike quality, while sharp writing keeps the interpersonal cruelty painfully grounded. The story is compact but dense, encouraging a second playthrough to catch foreshadowing and reinterpret earlier scenes once its central revelations land. Fans of SOMA, Signalis, and narrative-heavy indie horror should find plenty to admire, especially if they prefer unsettling character drama over action-heavy scares; newcomers to horror can finish it, but should expect disturbing themes and little emotional relief.
Screenshots
Installation
- Click the green button below to be redirected to UploadHaven.
- Wait 15 seconds, then hit “Free Download.” (Free downloads may be slower — upgrade to UploadHaven Pro for faster speeds.)
- Once downloaded, right-click the .zip file and choose “Extract to Mouthwashing.” (You’ll need 7-Zip for this.)
- Open the extracted folder and run the game as administrator.
- Enjoy! 🎮 If you see missing DLL errors, check the _Redist folder inside and install what’s needed.
System Requirements
- OS *: Windows 7 64-bit
- Processor: i5-6300HQ
- Memory: 8 GB RAM
- Graphics: GTX 560
- DirectX: Version 11
- Storage: 3 GB available space
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Mouthwashing (v2025.09.22)?
After extracting Mouthwashing (v2025.09.22), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 1.44 GB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Why should I run the game as administrator?
Right-click the game executable and select "Run as Administrator" to avoid save file issues and permission errors. This is especially important on the first launch.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
This game requires Version 11. Try running in compatibility mode, install the latest DirectX runtime, or install the All-in-One VC Redist Package.
My antivirus is blocking the game — is it safe?
Antivirus false positives are common with pre-installed games. Temporarily pause your antivirus during extraction to prevent it from quarantining game files. You can re-enable it after the extraction completes.