7-Day European Capitals Streak
Learn one European country's capital each day and find it on a map. Check in once a day.
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Places · Facts & stats · iChallenge network
Daily facts and stats about Europe, plus real challenges to put them to work.
What is the longest river in Europe?
The Volga flows about 3,500 km through Russia to the Caspian Sea.

One ranked attempt per day. Practice as much as you like.
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
Learn one European country's capital each day and find it on a map. Check in once a day.
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Learn to say hello in five European languages and post them, with the countries, as a short write-up.
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Using a free map, trace the Danube from its source to the Black Sea and post a short write-up listing the countries it passes.
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Live counts from ChallengeEurope.com. All arena stats →
Earned on any arena, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every iChallenge arena. One email when you save; no spam.
Fund a prize on ChallengeEurope.com and your brand sits on the challenge card, the leaderboard and every finisher's share. Prizes only appear once they're funded, so players can trust what they see.
Local first — landmarks, history, culture — plus world geography rounds.
Yes, sponsored challenges are available. Use the contact form.
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
100 points per correct answer, up to 50 more for answering quickly, a combo multiplier for answers in a row, and 150 bonus points for a perfect round.
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.