You're a Star Achievement
You're a Star10
Collect 1 Extra Credit StarOf the ten categories presented to you at the start of the game, two will give you the opportunity to earn an Extra Credit bonus star. On these questions, in order to earn the bonus star, you must correctly answer the question without the use of one of your three cheats. The first time you accomplish this, you'll earn this achievement. The Extra Credit stars only appear in single-player games.