1* If your screen resolution is less than 1920x1080 and you dont have full screen mode option just go with 'ctrl' + '-' to fit the game screen to your resolution.
You should be able to see game map, restart button with legend on the right and Car list on the left.
2* If you want to change car after setting correct highscore click 'Escape' or 'Restart'.
Do not refresh the page to change your car.
3* Click on car to start! Have Fun!
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Game is only for desktop right now - You need keyboard