Flags of the world

There is no single number: it depends on what counts as a country. The 193 UN member states each have a flag; Mapicos lists 195 (adding Vatican City and Kosovo), from Afghanistan to Zimbabwe. The game's Extended set adds territories, up to 250.

By playing. In Mapicos's learning mode, any flag you miss comes back until you get it right, and at the end you review your mistakes. Once you know them, try finding them on the map.

Yes. It's free to play in your phone or desktop browser, with no downloads and no sign-up.