Open now · By request
Bunker 9 playtest
by Mantle Games
Upgrade and enhance your bunker, scavenge for resources, and battle hordes of zombies in a vast open world. Team up with friends in co-op, find food and weapons, and uncover the secrets of survival.
It's free to ask. The developer chooses who gets in.
- Access
- By request
- On playtest since
- Jun 7, 2025
- Planned release
- Coming soon
- Developer
- Mantle Games
- Platforms
- Windows
- Players
- Co-op, Multiplayer, Online co-op
- Languages
- English
How to join the Bunker 9 playtest
- Open the game's Steam page with the Request access button. Sign in to Steam if it asks.
- Request access to the Bunker 9 playtest there. It's free and doesn't commit you to anything.
- The developer lets players in, often in batches, so it can take a while. Steam emails you when you're in, and the playtest appears in your library.
New to playtests? How Steam playtests work
About Bunker 9
In Bunker 9, you and your friends must fight to survive in a zombie-infested world. Upgrade and enhance your bunker, enhance your gear, and battle relentless hordes of the undead.
Upgrade & Defend – Strengthen your bunker with powerful upgrades, turning it into the ultimate survival fortress.
Fight for Survival – Use weapons, character enhancements, and teamwork to take on ever-growing zombie threats.
Explore & Scavenge – Search the world for food, water, and resources to stay alive.
Co-op Survival – Team up with friends to strategize, survive, and thrive together.
From the game's Steam page.
