Open now · Join instantly
Bio-Breaker playtest
by Claire the Game Dev
Fight against over 30+ different types of enemies in my super epic top-down retro wave shooter; Bio-Breaker! Buy weapons to upgrade, active abilities and passive perks to survive against the hordes!
Anyone with a Steam account can join, and it's free.
- Access
- Instant
- On playtest since
- May 9, 2026
- Planned release
- Dec 18, 2026
- Developer
- Claire the Game Dev
- Platforms
- Windows
- Players
- Single-player
- Languages
- English
How to join the Bio-Breaker playtest
- Open the game's Steam page with the Join playtest button. Sign in to Steam if it asks.
- Use the Bio-Breaker 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 Bio-Breaker
Bio-Breaker takes place in a post-zombie apocalypse world. Some purple smoke of unknown origin appeared around the world one day and started mutating people who inhaled it, making them lose their sense of humanity, completely breaking their biology in some cases (get the name?)
You play as John Bio-Breaker, a survivor who has managed avoid infected by hiding in a shelter located in a forest with supplies. But you weren't able to live in peace for very long it seems.
From the game's Steam page.
