I thought this quiz was asking for the names of the lakes. I started off with Malawi and was confused for a second why a green patch appeared next to the lake.
The African Great Lakes are an official (series?) of lakes. Therefore I didn't choose to include any of these. It is unfortunate, but there isn't much left of Lake Chad today (I forget the exact percentage that has dried up).
Same place as Lake Kyoga. Actually the original map I used didn't feature those lakes, and I didn't have the skills to add them into the map at that time. It isn't too crucial, however, since the quiz is about countries but you are correct :)