A simple game. We go from A-Z (and then repeat and so on) naming countries of the world.
It *HAS* to be a sovereign state though, in the true sense of a country being in the United Nations (UN). So Catalonia, England, Bavaria and Texas aren't accepted as they are part of a country. You can use short and long names though, so United States and America are both acceptable!
I'll start....
A - Angola