Last 7 days
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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85% positive of 20 · Positive · Live from Steam
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Karl BOOM is a fast-paced Bomberman-style action game with interactive maps and a coop survival mode.
Live data from Steam, tracked by SteamPlayerBase.
No authorized Steam key store lists this game right now.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 85% on 2026-11-01 → 85% today (20 reviews)
No changes recorded yet.
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
The latest patch updates the game engine and removes Steam DRM.
Starting on 01/01/2023, Karl BOOM will be available for free. There will be no paid content. This will hopefully motivate some new players to test the multiplayer mode! Have fun!
Karl BOOM has received an engine update and is finally available on MacOS! An M1 processor (or dedicated graphics card) is required. Have fun!
After an engine update with several fixes, Karl BOOM can now also be played on Linux (Vulkan driver is required). Have fun!