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Four players. One screen. Absolute chaos.
Mr. Boom is a free arcade game released under Free to play. It runs on Windows, macOS, Linux, needs about 50 MB of disk space, and requires no account, payment or trial. On a computer, the fastest route is the PlayBound Launcher. On a phone or tablet, use the official store or site instead.
Choose how to install
Install with PlayBound or download from the official source without the launcher.
Download the game for retroarch
Then play
Minimum
1.0 GHz CPU · 512 MB RAM · DirectX 9 / OpenGL GPU · 100 MB storage
Recommended
Dual-Core CPU · 2 GB RAM · 2-8 gamepads for couch multiplayer
Yes! Mr. Boom is 100% free and open source under the GPL-3.0 license with zero ads, paid DLC, or microtransactions.
Up to 8 players can play together locally on a single machine or over online netplay.
Yes! You can fill any empty player slots with intelligent AI bots for solo practice or co-op team battles.
Powerups include extra bomb capacity, larger explosion radius, speed skates, bomb punching/kicking gloves, monster mounts, and trigger remotes.
Yes! Full plug-and-play support for Xbox, PlayStation, Switch Pro, Joy-Cons, and generic USB arcade sticks.
Yes! It is lightweight, battery-friendly, and perfect for portable party multiplayer on Steam Deck with multiple Bluetooth controllers.
Yes. Mr. Boom supports up to 8 players. You can host a game on your own PC. PlayBound Connect handles the setup: start a party with your friends, pick how you want to play, and everyone launches into the same game from the PlayBound launcher. There is no subscription and no paid multiplayer tier.