50 MB
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.
One-click install
PlayBound fetches the official release — no third-party mirrors.
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.