The career progression is well balanced and easily attainable for most players — you earn at least one star just by participating in a race, regardless of finishing position. (newgamenetwork.com)
This is where you will participate in races in order to gain fuel, as well as get awarded stars to unlock new areas. (playstationlifestyle.net)
If you are up for the challenge, you can participate in races with the best drivers. (gearnuke.com)