Open now · By request
OPEN UP SIR! playtest
by ZweiBier Indie
Co-op for 2–4 players about firefighters: you take on funny and dangerous calls — rescue, extinguish, and break things.
It's free to ask. The developer chooses who gets in.
- Access
- By request
- On playtest since
- Jul 1, 2026
- Planned release
- To be announced
- Developer
- ZweiBier Indie
- Platforms
- Windows
- Players
- Co-op, Multiplayer, Online co-op
- Languages
- English
How to join the OPEN UP SIR! playtest
- Open the game's Steam page with the Request access button. Sign in to Steam if it asks.
- Request access to the OPEN UP SIR! 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 OPEN UP SIR!
Become a Firefighter
Answer emergency calls and rush into dangerous situations together with up to 5 friends. Put out fires, break into collapsing houses, save civilians, and try to keep everything from turning into complete chaos. Every mission is a race against time, smoke, and your own bad decisions.
Do your job
You are not here just to make a mess with hoses and axes. The dispatcher expects results, which means responding to emergencies, completing objectives, and keeping the situation under control.
- rescue civilians
- handle false alarms
- fight spreading fires
- complete dangerous rescue missions
Fail too many calls, and your reputation will go down in flames.
Physics-Based Chaos
The entire game is built around physics-based gameplay and a destructible world. Walls collapse, debris falls, water impacts players and objects, and every emergency can spiral into complete chaos.
Stay alive
Firefighters are not invincible. Getting hit by debris, blasted by water pressure, run over by vehicles, or caught in the flames can put you out of action fast. Work together, rescue unconscious teammates, and adapt to the chaos around you. In a burning house, one mistake can bring the whole mission down.
The game heavily focuses on physics, destruction, and chaotic co-op teamwork.
From the game's Steam page.





