7-Day Declutter Streak
Clear out or organize one small storage space each day, like a drawer or shelf. Check in once a day.
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Tech · Facts & stats · iChallenge network
Daily facts and stats about data storage, plus real challenges to put them to work.
What is the capacity of a standard single-layer DVD?
A single-layer DVD holds 4.7 GB; a CD holds about 700 MB and a Blu-ray layer 25 GB.

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.
Clear out or organize one small storage space each day, like a drawer or shelf. Check in once a day.
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Make a backup copy of your important photos or documents and post a short write-up of the method you used.
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Delete or sort ten unneeded files or photos each day for two weeks. Check in daily.
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Live counts from StorageChallenge.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 StorageChallenge.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.