7-Day Say-Yes Streak
Each day, take one small new opportunity, like joining a conversation or trying a new recipe. Check in once a day.
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Challenge · Facts & stats · iChallenge network
Daily facts and stats about opportunity, opportunity cost and the Opportunity rover, plus real challenges to put them to work.
What was the name of Opportunity's twin rover, which landed a few weeks earlier in 2004?
You went

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, take one small new opportunity, like joining a conversation or trying a new recipe. Check in once a day.
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Pick one real choice you made this week, list what you gave up by making it, and post a short write-up.
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Spend 10 minutes each day learning a skill you've been meaning to try. Check in daily.
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Live counts from OpportunityChallenge.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 OpportunityChallenge.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.
Yes — use the contact form for sponsored impact challenges.
Always.
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.