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Hilly.io is a fantastic multiplayer racing game in which you must try and beat other players from around the world in hectic racing action. You must try and race as quickly as possible, but also account for the movement and height of the hills too – the hills can affect your speed and momentum.

You must try and time your jumps perfectly to hit the hills at the right time. You must also try and reach the checkpoints in the quickest time. The side scrolling gameplay is fun and you will find yourself shouting at the screen as you race against the other players. Can you conquer Hilly.io and show your driving skills?

Release Date

November 2018


Hilly.io was made by Clown Games.


  • A ball .io racing game
  • 2D side-scrolling view with lots of hills
  • Momentum-based gameplay
  • You are racing in a real-time against other races worldwide
  • Buyable upgrades and changeable ball's model


  • Web browser
  • Android
  • iOS


Press left mouse button or space bar to play.

Walkthrough Video



Hilly.io is a high-quality racing game that you can enjoy on CrazyGames.com directly in your browser. It has been played 144,893 times and has been rated 8.6 / 10 by 1,168 people. It has been developed by Clown Games. The game is made with WebGL technology to run fast in modern browsers. One of the many nice things about playing this game here is that it is available in full-screen mode. In addition to playing Hilly.io on your computer, you can also play it on your Android and iOS phone and tablet. If you enjoy Hilly.io, also try our other racing games or RCC City Racing and DuckPark.io.