Challenge · Facts & stats · iChallenge network
Daily facts and stats about scores, scales and rating systems, plus real challenges to put them to work.
Who developed the Richter scale for earthquakes?
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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.
Each day, find one score or scale in the news or around you (weather, reviews, games) and note what it measures. Check in once a day.
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Create a clear 1-to-10 scale for something you rate often, like coffee or hikes, with a definition for each level. Post a short write-up.
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Play a free word or number puzzle daily and log your score. Check in once a day.
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Live counts from ScoresChallenge.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 ScoresChallenge.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.
Pick a challenge, check in each day, and play the daily round. Correct answers, streaks and finished challenges earn XP that moves you up the leaderboard.
Most challenges are bodyweight or walk/run based. Each challenge card lists what you need.
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.