Koxo.io

Whip your ball-and-chain in wide arcs, smash any rival dumb enough to get close, and survive the chaos of Koxo.io.

Koxo.io drops you into a top-down arena with nothing but a spiked ball tethered to your body by a chain. You steer with WASD or arrow keys, but the killing is all in your mouse hand. Flick the cursor and that flail whips around with brutal momentum; hold it steady and it circles you like a guard dog. It's simple to pick up, but the physics are real — the chain stretches, wraps, and the ball carries weight. I still flinch when a chain comes whipping from off-screen. The pace is relentless. Five seconds in, you're weaving through a scrum of players, each one swinging their own metal wrecking ball. Do you run in circles to build speed and let the flail fly in a deadly orbit? Or do you bait someone into a corner and snap the chain straight into their face? The first time I killed two players with one spinning arc, I was hooked. There's no pause, no safe zone; just you, your flail, and a crowd of strangers who all want your spot on the leaderboard. What keeps me coming back is the balance between patience and chaos. You can play it sneaky, hanging back and picking off weakened enemies, or go full berserker and charge into the middle swinging blind. Either way works if your aim is true. Just don't get cocky — the chain can snag on walls, and a miss leaves you wide open. That constant risk is what makes every fight feel like a mini-duel. If you like .io games with real skill gaps, Koxo.io is worth your lunch break.

Arrow keys / WASD to move Mouse to move your ball and chain

Keep your flail spinning at medium distance to create a moving hazard zone enemies won't dare cross. Use walls to shorten your chain's arc — it makes the ball snap back faster for surprise hits. Don't chase players who have longer chains; they can hit you before you close in. Watch for enemies whose chain is wrapped around an obstacle; that's your free kill window. When two rivals fight, circle behind and wait for the winner to let their guard down.

Q: Is Koxo.io free to play? A: Yes, it's completely free in your browser with no hidden fees. Q: Do I need to download Koxo.io? A: No download needed. It runs on HTML5, so just open the page and play. Q: Can I play Koxo.io on mobile? A: It's designed for mouse and keyboard, but some browsers support touch controls. Q: What are the controls in Koxo.io? A: Use WASD or arrow keys to move, and move your mouse to swing the ball and chain. Q: Is there a way to play Koxo.io with friends? A: You can share the game link and join the same server, but there's no private lobby. Q: Why is my flail not hitting anyone in Koxo.io? A: Check your mouse position — the ball follows the cursor; move it in wide arcs for more reach.