X300
X300 is a slow-burn psychological horror experience inspired by real Cold War history. Deep beneath the Australian outback, a forgotten facility monitors your every move as isolation, paranoia, and institutional control consume your descent into its decaying halls.
Last Updated: 6/21/2026
| Developer | Covyne Entertainment |
| Publisher | Covyne Entertainment |
| Steam App Id | 3813640 |
X300
X300 is a slow-burn psychological horror experience inspired by real Cold War history. Deep beneath the Australian outback, a forgotten facility monitors your every move as isolation, paranoia, and institutional control consume your descent into its decaying halls.
Last Updated: 6/21/2026
- Windows
- Mac
- Linux
About X300
X300 is an Adventure, Indie, Action, and RPG game developed by Covyne Entertainment. It was released on the Steam Store by Covyne Entertainment.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, X300 supports the following features:
- Single-player
- Full controller support
- Custom Volume Controls
- Stereo Sound
- Family Sharing
Media & Sceenshots
Watch the featured video for X300 and see the latest screenshots from the Steam Store.
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Features & Categories
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.
X300 data has been sourced from:
- Valve Corporation. (2026, June 21). X300 on Steam. Steam Store.
- Valve Corporation. (2026, June 21). X300. Steam Community Hub.
- Covyne Entertainment. (2025, September 3). X300. X300.