Because of this, you need to activate your speed boost – which you can do by pressing the spacebar. Your vehicle is runs at an average speed throughout the race. The game provides a guide arrow to help you in navigating the race tracks however, you can turn this off in the in-game settings if you wish a more challenging experience. By default, you steer your car left with the A key and right with the D key. The controls of Hot Wheels Unlimited are very simple. So get your engines ready! Basics of Racing Lastly, we’ll also give you an in-depth guide to the game’s addicting Build-A-Race Festival wherein you can create your own astounding race tracks. We’ll explain the basics of controlling your Hot Wheels vehicles, how you can unlock more of said vehicles, and also their “edges” – which can give you a great advantage during races. This article will guide you through the features that Hot Wheels Unlimited has to offer. From collecting various vehicles with unique designs to letting your imagination run wild by creating your own race tracks, this game does not disappoint in giving an entertaining virtual experience of the renowned toy line. Hot Wheels Unlimited is compresses the awesomeness of the real Hot Wheels toys and rack tracks into one mobile game.