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Tunnels playtest
by Morrow Systems
Tunnels is a single-player mining metroidvania adventure. Delve the alien depths, upgrade your tank, master deep itemization, and uncover the mysteries below.
Anyone with a Steam account can join, and it's free.
- Access
- Instant
- On playtest since
- Feb 26, 2026
- Planned release
- Coming soon
- Developer
- Morrow Systems
- Platforms
- Windows
- Players
- Single-player
- Languages
- English
How to join the Tunnels playtest
- Open the game's Steam page with the Join playtest button. Sign in to Steam if it asks.
- Use the Tunnels playtest signup there. You're in straight away, with nothing to pay.
- The playtest shows up in your Steam library, ready to install and play.
New to playtests? How Steam playtests work
About Tunnels
Set on the mysterious planet Oris, Tunnels is a single-player mining metroidvania adventure. You, the player, work for Atlas Corp; you have been sent to Oris to extract minerals. As you delve into the depths of the planet, acquire resources, upgrade your tank, and dispatch the hostile denizens, you encounter an ancient conflict between a lost civilization and Oris itself.
Dig your way through the depths:
Build your itemization strategy. Each item may be used for crafting, consumed for temporary bonuses, or kept in your inventory to grant passive bonuses:
Find schematics to upgrade five equipment slots:
Watch your tank evolve with each upgrade:
Survive challenging boss encounters:
From the game's Steam page.
