7-Day Puzzle Streak
Solve one puzzle a day for a week, such as a sudoku, crossword or logic grid. Check in once a day.
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Challenge · Facts & stats · iChallenge network
Daily facts and stats about challenges, games and puzzles, plus real challenges to put them to work.
In which year was Arthur Wynne's 'word-cross', widely seen as the first modern crossword, published?
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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.
Solve one puzzle a day for a week, such as a sudoku, crossword or logic grid. Check in once a day.
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Teach a friend or family member a board or card game and post a short write-up of how the first game went.
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Pick one tiny habit, like reading one page or tidying one drawer, and do it daily for 21 days. Check in daily.
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Design a simple, safe challenge others could try, with clear rules. Post a write-up of the rules.
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Live counts from ChallengePortal.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 ChallengePortal.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.
Play today's quiz round, post your score, and start a streak.
XP, levels, streaks and badges. Save your progress with an email and it follows you to every arena on the iChallenge network.
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.