Every Word in a Mario Kart Track Name (American)

Can you name all of the countries to host the Summer or Winter Olympic Games, whilst avoiding the ones that haven't?

Uh oh, my literary character is happy, but that’s such a boring word! Help me by clicking only words that mean “happy”.

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

For each selected category and continent, name ANY country which fits the criteria.