Steam Playtests
Mushroom Empire

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Mushroom Empire playtest

by Sprucehead Games

Run, gun, and platform your way through the 4 seasons, shotgunning, freezing, and burning your foes along the way. Light animals on fire, get eaten by flowers, crush baby spiders underfoot, featuring an interactive world, competent physics, and custom death animations for all you freaks out there.

Anyone with a Steam account can join, and it's free.

Access
Instant
On playtest since
Jul 24, 2026
Planned release
To be announced
Developer
Sprucehead Games
Platforms
Windows, macOS
Players
Single-player
Languages
English

How to join the Mushroom Empire playtest

  1. Open the game's Steam page with the Join playtest button. Sign in to Steam if it asks.
  2. Use the Mushroom Empire playtest signup there. You're in straight away, with nothing to pay.
  3. The playtest shows up in your Steam library, ready to install and play.

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About Mushroom Empire

Nature is not your friend. Run and gun as a grumpy little mushroom and conquer all those cute little plants and animals that would hold you down. Contra with bird calls. Hollow Knight with guns. Metal Slug with more spiders. You get the idea.

From the game's Steam page.