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.


8.5 - 797 ratings


Driving Games » Racing Games » Hilly.io

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Hilly.io is a thrilling racing games game that you can enjoy here on CrazyGames in your browser, for free. Hilly.io has received 103,562 plays and has received a rating of 8.5 out of 10 by 590 people. Clown Games made Hilly.io. This amazing .io game is powered by WebGL to run smoothly in all modern browsers. One of the many features about playing Hilly.io on CrazyGames is that you can play it in full-screen. The game is available on your computer and as a mobile app. Did you like playing Hilly.io? Then also try our other racing games or 100 Meters Race and Fly Car Stunt.