About Slot Car Challenge Way GameSlot Car Challenge is a slot car racing game. Choose to play versus mode against a computer driver, or select one of three tracks to race in time challenge mode. Tap your mouse left click button with the mouse over the throttle button on the controller in the lower right. Hold the button in to go maximum speed, lay off to slow down, and pulse to maintain a speed below the max. Beat your best time or beat the computer on a 5-lap race to win. This is a JavaScript web application which uses cross-platform mobile-friendly HTML. All modern web browsers like Microsoft Edge, Apple Safari, Google Chrome, Mozilla Firefox and Opera should support it. This game works on just about any type of computing device including Microsoft Windows desktop computers, Apple OSX Mac computers, iOS powered tablets and phones like the iPad and iPhone, laptops like the Google Chromebook, and the many types of mobile phones from manufacturers like Samsung which are powered by Google Android.