中文无线电字母数字读法Chinese Radiotelephony Spelling Alphabet and Numbers

Name all 50 states in the USA. Easy, right?

Name the 20 cities ranked as the world's top financial centers according to the Global Financial Centres Index.

In 90 seconds, make every country disappear from the map by typing both its first 2 letters and its last 2 letters.

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