Letter Lost
You’re the sole employee at the Kharnym Isle post office, stamping, sorting, and delivering mail. But the job hides secrets, and the office itself holds mysteries you must uncover. This will be the only job you’ll ever need to work… unless you can escape.
Last Updated: 6/23/2026
| Steam Price | $17.99 |
| Release Date | 6/10/2026 |
| Developer | FlatNine Games |
| Publisher | FlatNine Games |
| Steam App Id | 3624790 |
Letter Lost
You’re the sole employee at the Kharnym Isle post office, stamping, sorting, and delivering mail. But the job hides secrets, and the office itself holds mysteries you must uncover. This will be the only job you’ll ever need to work… unless you can escape.
Last Updated: 6/23/2026
- Windows
- Mac
- Linux
- Steam Deck (Playable)
About Letter Lost
Letter Lost is an Adventure, and Indie game developed by FlatNine Games. On 6/10/2026, it was released on the Steam Store by FlatNine Games.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Letter Lost on the Steam Deck but some functionality may not be fully supported.
According to Steam’s category system, Letter Lost supports the following features:
- Single-player
- Save Anytime
- Full controller support
- Steam Achievements
- Custom Volume Controls
- Stereo Sound
- Playable without Timed Input
- Camera Comfort
- Family Sharing
- Steam Cloud
- Color Alternatives
- Partial Controller Support
From the Steam community, Letter Lost has been tagged with the following user tags:
- Escape Room
- Dark
- Multiple Endings
- Story Rich
- Puzzle
- 3D
- Choices Matter
- Psychological Horror
- Lovecraftian
- Job Simulator
- Mystery
- Simulation
- Horror
- Choose Your Own Adventure
- Hidden Object
- Indie
- Adventure
- Singleplayer
Media & Sceenshots
Watch the featured video for Letter Lost and see the latest screenshots from the Steam Store.
Related Packages
Letter Lost is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| Letter Lost | $17.99 | View |
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Features & Categories
Frequently Asked Questions
Soures & References
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Letter Lost data has been sourced from:
- Valve Corporation. (2026, June 23). Letter Lost on Steam. Steam Store.
- Valve Corporation. (2026, June 23). Letter Lost. Steam Community Hub.
- FlatNine Games. (2025, April 10). Letter Lost. Letter Lost.