Gases of the Human Body

Try to name the countries that have the greatest number of active military troops.

We give you the capital city, you give us the country. Twenty randomly-generated questions that change every time you play.

Evil aliens have decided to kill everyone on Earth! Fortunately, they've given you two minutes to save as many as you can. All you have to do is name a country to save everyone in it.

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