Initially, Brain Battle will only include ACT and SAT content. In the future, users will have the ability to create their own study sets for any subject or class of their choice.

Rewards in Brain Battle include badges, chances to win subscriptions to the Pro version, and opportunities to earn Brain Battle merchandise based on performance and participation in various challenges and competitions.

The ELO rating system in Brain Battle calculates your score based on an average of your performance across different subjects. It adjusts up or down depending on the rating of your opponent, ensuring that each match is a true test of your skills. After each matchup, you'll see your ELO score update, reflecting your current standing and progress within the game. This dynamic scoring system keeps the competition fair and challenging, motivating you to improve continuously.

Yes, Brain Battle is free to use with basic features. For users looking to enhance their experience, a Pro model is available which grants access to additional features such as the ability to create and host custom study sets.