Is Knives.IO free to play?

Yes, 100% free — no download, no account, no payment. Open your browser and play instantly.

Does it work on mobile?

Yes. The game uses HTML5 and runs on Chrome, Safari and Firefox on Android and iOS devices.

How do I save my progress?

Progress auto-saves to your browser's local storage. Avoid clearing browser data to keep your save file.

Can I play with a friend?

Some modes support local 2-player on the same device. Check the main menu for multiplayer or co-op options.

The game is lagging — what can I do?

Close other browser tabs to free up memory, or try a different browser. Chrome generally provides the best performance for HTML5 games.

Knives.IO

game.aboutGame

Knife.Io is a game with a dynamic storyline. Start growing your knife right now. Having tried to get a more knifes, a small knife never gets stuck in one place – he’s ready to bite everyone. However, there is a danger to be eaten by a more successful player. A fun, engaging browser game playable for free with no installation required — dive in and enjoy!