Atlas

Atlas was the hardest badge to achieve since 2010. It's been replaced by Artemis. Before, to obtain it, you had to complete 500 skills (and before that, 250, and before that, 150). But now, it is unknown on how it can be achieved. You will get 200,000 free Energy Points if you earn this badge.

Trivia

 * After the learning dashboard was introduced, they retired this badge and remade it.
 * This badge gives the same no of points as Da Vinci though it is harder to get(currently impossible)
 * Ben Eater and Sal Khan have the retired versions of this badge.
 * Its previous requirement was to be the leading exercise developer.