Board Thread:News and Announcements/@comment-18063949-20140828124856/@comment-25297120-20140828152732

No can work. It seems that the challenge/feature has been launched for a small group of users.

There are 2 kinds of challenge & 2 badges: 1 for team, 1 for solo. No matter which challenge you take and complete, you can only acquire 1 badge.