Board Thread:News and Announcements/@comment-18063949-20140828124856/@comment-25297120-20140829172230

There are 2 kinds of challenge: - Link: https://www.khanacademy.org/profile/YOUR_USERNAME/team
 * Team mode

- Objective: A 5-member team has to collect 35,000 energy points by doing Math exercises in 3 days.

- Badge: Three-Day Math Points Team Challenge

- Link: https://www.khanacademy.org/profile/YOUR_USERNAME/challenge
 * Solo mode

- Objective: A single member has to collect 7,000 energy points by doing Math exercises in 3 days.

- Badge: Three-Day Math Points Challenge