Build your swarm
Break blocks to release more balls. Catch them with your paddle and turn one ball into a boss-melting swarm.
FREE TO PLAY · RETRO ARCADE
One ball is all it takes.
Play Ball Boss, a free retro brick breaker with boss battles. Multiply balls, dodge attacks, and take on 30 courses or endless Boss Rush on desktop and mobile.
▶ Play nowNo download. No sign-up.

HOW TO PLAY
Break blocks to release more balls. Catch them with your paddle and turn one ball into a boss-melting swarm.
Watch the warnings. Dodge falling attacks and homing shots, and keep your balls away from the hungry VOID.
Drain the boss’s health to clear a course. Lose all your balls or take three hits and the run is over.
Move during the countdown to choose where your first ball launches.
Move with your mouse or the left/right arrow keys. Press Esc to pause.
Touch and drag across the playfield. Use the pause button to take a break.
GOOD TO KNOW
Yes. Play for free in your browser, without downloading an app or creating an account.
Course clears and Boss Rush personal bests are saved in this browser. They do not sync between devices. Clearing browser data also clears your records.
An endless run against successive bosses. No continues: deal as much cumulative damage as you can and beat your personal best.
Use Settings at the top of the game to adjust volume, language, and visual effects.
Start with one ball.
▶ Play now