You will need five Crowns to defeat your opponent. Crowns are selected randomly by tapping boxes. Each of them has a different effect. For example, Double requires that two correct answers be given in a row.
Friend bonuses
Connect to Facebook. If you have friends playing, they can send lives to you, allowing you to begin more games. This also results in more coins to spend on power-ups.
Game types
Multi Channel games will offer a variety of questions from all your favorite channel. Single Channel games limits questions from only one specific channel. Choose the Single Channel variety when you are an expert in a specific topic.
Power-ups
The Extra Time power-up costs 1 coin and adds a few seconds to your time limit. The Bomb power-up costs five coins. It removes two wrong answers, leaving a 50% chance of choosing the correct answer.