Click on the "Click" button for making money (the amount depends on the characteristics of the machine). Spend money on improving speed, controllability or acceleration (each improvement adds 10%). Improvements may not work (money is spent, but the characteristic does not grow) with a chance depending on the level. Successful improvements increase the level, increasing the cost and chance of failure. The progress of the level is displayed in the progress bar. The game is endless, improve characteristics without restrictions. Pull the cursor on the buttons for the hints.