Vroom, is a rather simple game to play but it does require some concentration. The goal of the game is to use the pieces that you are given to collect the stars. Once you have finished building something that you believe your truck can use to get to the stars you can press the go button in the bottom left. As the truck goes, if you built everything correctly, the truck should collect the stars. There is just one small little thing you have to really keep in mind. Should the truck land wrong when it touches back down to go to the exit, it will explode and you will have failed that level.