中国声母z开头的城市（城市点位地图版）

When you guess a state, all the states it borders will also be completed.

20 random countries have been removed from the map of the world! Can you identify them in 3 minutes?

With the help of a map, can you name the countries which existed during the Revolution of 1848?

Drag the flag onto the correct state. Careful, though! One wrong move and the game ends.