Quick! Find Malawi on a map.

No, don’t search Google and let the algorithm find it for you. Just point it out. For those who sometimes forget Africa isn’t a country, it can be pretty hard, right?

Trying this with 20 different African nations in a row could either make you feel extremely terrible about your geographic knowledge or filled with satisfaction. There’s a quiz at youdontknowafrica.com to help you achieve those feelings; we’ve also embedded it above. (The quiz works best if you take it on your computer rather than your phone.)

Created by David Bauer two years ago, the quiz found it’s way to the front page of Reddit today and is subsequently experiencing newfound popularity. (Bauer has contributed to Quartz in the past.)