7-Day Beat Yesterday Streak
Be your own rival: pick a simple skill, like juggling or keepy-uppies, and try to beat yesterday's score each day. Check in daily.
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Sports · Facts & stats · iChallenge network
Daily facts and stats about sports rivalries, plus real challenges to put them to work.
In US college football, 'The Game' is the rivalry between Harvard and which university?
Harvard and Yale have played 'The Game' since 1875.
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.
Be your own rival: pick a simple skill, like juggling or keepy-uppies, and try to beat yesterday's score each day. Check in daily.
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Challenge a friend or family member to a friendly game of your choice, shake hands afterwards and post a short write-up.
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Learn about one famous sports rivalry each day for two weeks and note how it started. Check in daily.
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Draw or build a trophy for a friendly family rivalry out of recycled materials and share a photo link.
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Live counts from RivalChallenge.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 RivalChallenge.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.
No wagering — knowledge and prediction games with leaderboard rank.
New rounds land weekly per topic.
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.