If you would like to take an exam to show that you have learned a significant amount about depression and helping friends with depression, take this exam. If you pass, you'll receive a digital badge you can display.
If you're interested in learning more about what depression looks like for an individual suffering with the disease from a more personal perspective, consider playing an external game, Depression Quest, an interactive (non)fiction about living with depression, created by Zoe Quinn, Patrick Lindsey, and Isaac Schankler.