Is City Runner 3D.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.

City Runner 3D.io

game.aboutGame

Welcome to City Runner.io Multiplayer game. Choose your character and tap play! Run, and avoid obstacles and be the first who touches the finish line and don't let the giant blue monster crushes you. Collect more coins to unlock more characters A fun, engaging browser game playable for free with no installation required — dive in and enjoy!