Collect stars by completing quizzes, the number of stars you earn will vary depending on how many questions you select at the beginning of the quiz. Stars can be used to unlock additional categories.

When you complete each quiz you will also earn a certain amount of gems. The amount you earn will depend on how many lives are remaining. Gems can be used to purchase additional lives or hints before starting a quiz.

By default, you start each quiz with 3 lives unless you use gems to purchase more. Up to 2 additional lives can be purchased before each quiz, you can also use your gems to purchase a maximum of 3 hints per quiz as well.