Become a geography nerd.

Paint each flag in its real colours.

Match measured flag colors to the right country.

Reveal a little. Recognize the whole flag.

Name the country from its silhouette.

Click the right country on the world map.

Follow warmer guesses and bearings to a hidden country.

Draw a country's shape with your finger.

Draw a river's course on the map.

Build real country neighborhoods from spatial memory.

Find the hidden city between compass clues.

Read the night-light network. Identify cities, metro areas, urban corridors and regions from orbit.

Find nine unique countries where two clues intersect.

Deduce hidden countries across a real border network.

Build a chain through borders, languages and more.

Name the country from clues: neighbours, language, currency & more.

Name as many land neighbours as you can.

Find matching flags and country or capital names.

Choose three countries to approach a population or area target.

Name capitals — or identify the home country of major cities.

Guess the country from trivia facts.

Which country wins? Build a streak.

Put countries in order by the numbers.

Guess the country by its language or currency.

Match animals, food, sports, inventions & more to their country.

List every country that fits the theme.

Find the famous peak or volcano on the map.

Climbing-difficulty quiz — 3 wrong and you're out.

A six-stage journey across the map.

Tap where it is on the world map.

Travel country to country by land.

Identify the highlighted river or lake.