Your aim is passing the curbs and picking the stars with your mountain car. You are controlling your mountain car with arrow keys and space key to jump. If tou get skulls your point decreases, if you get reversed or rub your car bottom to sharp stones your energy decreases. If you finish your energy mountain car explodes and you will get fired. When the car was reversed use space bar to jump to get away from exploding. Mountain car's energy is shown at the red line. If you get repair icon your energy fills up. If you want to pause game use "Pause" button near the speaker. Start to pick up stars without taking down the mountain car.