Mycelium
Enter the post-extinction world of Mycelium. With humans extinct, take control of a new, sentient species of fungi–Spores. Grow your Spore community, grant them powerful abilities, and battle against evolved insects in this Action Roguelite, Pet-Simulator game!
Last Updated: 2/7/2026
| Release Date | 7/26/2024 |
| Developer | Cellar Bog |
| Publisher | Cellar Bog |
| Steam App Id | 2969710 |
Mycelium
Enter the post-extinction world of Mycelium. With humans extinct, take control of a new, sentient species of fungi–Spores. Grow your Spore community, grant them powerful abilities, and battle against evolved insects in this Action Roguelite, Pet-Simulator game!
Last Updated: 2/7/2026
- Windows
- Mac
- Linux
About Mycelium
Mycelium is an Action, Indie, RPG, Adventure, and Free to Play game developed by Cellar Bog. On 7/26/2024, it was released on the Steam Store by Cellar Bog.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Mycelium supports the following features:
- Full controller support
- Family Sharing
- Steam Achievements
- Single-player
From the Steam community, Mycelium has been tagged with the following user tags:
- Colony Sim
- Action Roguelike
- Character Customization
- Roguelike
- Atmospheric
- Free to Play
- Stylized
- 3D
- RPG
- Cute
- Combat
- Survival
- Indie
- Colorful
- Adventure
- Action
- Singleplayer
Media & Sceenshots
Watch the featured video for Mycelium and see the latest screenshots from the Steam Store.

Related Packages
Mycelium is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
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Genres
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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.
Mycelium data has been sourced from:
- Valve Corporation. (2026, February 7). Mycelium on Steam. Steam Store.
- Valve Corporation. (2026, February 7). Mycelium. Steam Community Hub.