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Create challenge

Compare your skill with friends, colleagues or anyone else.

Create a challenge with a leaderboard.

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Enable public leaderboard

Check this box to enable a public leaderboard for this challenge. Even users who are not logged in can register their scores on the leaderboard.

Anonymize nicknames on the leaderboard

Check this box to anonymize the nicknames on the public leaderboard. Nicknames will only be displayed to the quiz owner.

Game mode

PinPin (Hard)Pin (No borders)Pin (Hard, No borders)TypeType (Easy)Place the flagsPlace the labels

Included questions

riu Arkansas

riu Chattahoochee

riu Colorado

riu Colúmbia

riu Connecticut

riu Delaware

riu Grande

riu Hudson

riu Mississipí

riu Missouri

riu Ohio

riu Potomac

riu Sacramento

riu Saint Lawrence

riu Snake

riu Tennessee

riu Vermell

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