5YN-OS
Dive into a sandbox operating system simulator and learn to code with FantasyLang. Personalise your desktop, build and tweak apps, uncover hidden secrets, and venture into the darknet. Shape the system however you like. Your OS, your rules.
Last Updated: 6/17/2026
| Steam App Id | 4695620 |
5YN-OS
Dive into a sandbox operating system simulator and learn to code with FantasyLang. Personalise your desktop, build and tweak apps, uncover hidden secrets, and venture into the darknet. Shape the system however you like. Your OS, your rules.
Last Updated: 6/17/2026
- Windows
- Mac
- Linux
About 5YN-OS
5YN-OS is a Casual, and Early Access game. It was released on the Steam Store.
It can be played and ran on both Windows and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, 5YN-OS supports the following features:
- Custom Volume Controls
- Steam Achievements
- Playable without Timed Input
- Family Sharing
- Steam Cloud
- Steam Workshop
- Color Alternatives
Media & Sceenshots
Watch the featured video for 5YN-OS and see the latest screenshots from the Steam Store.
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Genres
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
5YN-OS data has been sourced from:
- Valve Corporation. (2026, June 17). 5YN-OS on Steam. Steam Store.
- Valve Corporation. (2026, June 17). 5YN-OS. Steam Community Hub.
- undefined. (2026, June 17). 5YN-OS. 5YN-OS.