How well do you know the world?

Click the named sea, ocean, bay, gulf, or other water area. Smaller contained waters count.

Choose the name of the highlighted water area.

Click the named river.

Choose the name of the highlighted river.

Choose a country this river flows through.

Choose the river that flows through this country.

Click the named mountain range.

Choose the name of the highlighted mountain range.

Choose a country this mountain range crosses.

Choose the mountain range found in this country.

Cross as few land borders as possible. Stay on connected land; no sea crossings.

Find the country from the flags of all its land neighbors.

➔Mongolia

Choose the complete set of land-neighbor flags for this country.

Mongolia➔

Find the country from the names of all its land neighbors.

Choose the country matching the flag.

➔Greenland

Choose the named country's flag.

Greenland➔

Choose the country from a pie chart showing how much of its flag each color covers.

➔France

Choose the pie chart showing the proportions of colors in the named country’s flag.

France➔

Identify the country from its flag’s proportions, divisions and symbols, with every color removed.

➔France

Choose the colorless outline of this country’s flag. Equivalent designs never appear together.

France➔

Choose the named country's capital.

Choose the country of the named capital.

Pin the named capital on the map and see your distance from its location.

Pin the named country's capital on the map and see your distance from it.

Name the capital marked on the map.

Use the north-up diagram of five nearby capitals to choose the hidden capital at its center.

Use the distances in kilometres to five nearby capitals to choose the hidden capital.

Choose the country of the named city.

Choose one of the country's three most populous non-capital cities.

Pin the named city on the map and see your distance from its location.

Name the city marked on the map.

Choose the country whose outline is shown.

➔Greenland

Choose the named country's outline.

Greenland➔

Read the sentence and choose the language it is written in.

Choose a sentence in the named language.

Read a sentence and find a country where its language is spoken on the map.

Find a country where the named language is spoken on the map.

Choose a language spoken in the highlighted country.

Choose a country where the named language is spoken.

Choose a country that uses this currency.

Choose this country’s currency.

Click a country that uses this currency.

Choose the highlighted country’s currency.

Choose the currency of the country with this capital.

Choose the capital of a country that uses this currency.

Find the country of the named capital on the map.

Choose the highlighted country's capital.

Choose the capital of the country matching the flag.

Choose the flag of the country matching the capital.

Choose the outline of the country matching the capital.

Choose the capital of the country matching the outline.

Identify the country from its land neighbors’ flags and choose its capital.

Identify the country from the named capital and choose its complete set of land-neighbor flags.

Identify the country from its flag-color pie and choose its capital.

Identify the country from the named capital and choose its flag-color pie.

Identify the country from its colorless flag blueprint and choose its capital.

Identify the country from the named capital and choose its colorless flag blueprint.

Identify the country from its flag and place its capital on the map. Lower average distance wins.

Identify the country from its outline and place its capital on the map. Lower average distance wins.

Infer the hidden capital from the positions of five named capitals and choose its country.

Infer the hidden capital from its distances to five named capitals and choose its country.

Infer the hidden capital from the positions of five named capitals and choose its country’s flag.

Infer the hidden capital from its distances to five named capitals and choose its country’s flag.

Identify the country from its flag and pin any of its three most populous non-capital cities. The nearest one counts; lower average distance wins.

Identify the country from its land neighbors’ flags and choose its city.

Choose the city of the country matching the flag.

Choose the city of the country matching the outline.

Choose the flag of the country matching the city.

Choose the currency of the country with this flag.

Choose the flag of a country that uses this currency.

Find the country matching the flag on the map.

Choose the highlighted country's flag.

Choose the outline of the country matching the flag.

Choose the flag of the country matching the outline.

Choose the complete set of land-neighbor flags for the highlighted country.

Choose the flag-color pie of the highlighted country.

Choose the colorless flag blueprint of the highlighted country.

Play a randomly selected mode that supports your question count and region.

Each question uses a different mode from the previous one. Correct answers and capital-placement distances have separate scores.

Mixed questions from every category that almost nobody has answered yet. Easy or hard: nobody knows.