The concept is simple. Each month, there is a challenge focusing on one particular area of learning Chinese, where you strive to reach your goal and/or beat your friends. The challenges are very straightforward: set a goal, study as much as you can, log your activity and make sure you reach your goal before the end of the month.
To make sure we diversify our studying, I have worked out a schedule and will cycle different types of challenges. You can join all the challenges and get a lot of everything or just join those that happen to be aligned with your current plans, it’s up to you.
Read more about Hacking Chinese Challenge in the post I wrote when it was first launched: