14-Day Hobby Practice Streak
Spend at least 15 minutes a day on a hobby you do just for the love of it. Check in once a day.
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Challenge · Facts & stats · iChallenge network
Daily facts and stats about amateur hobbies and pursuits, plus real challenges to put them to work.
How is SOS sent in Morse code?
SOS is ···−−−···, chosen because it is simple and easy to recognize.

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.
Spend at least 15 minutes a day on a hobby you do just for the love of it. Check in once a day.
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Go outside on a clear night, find the Moon or a bright planet and sketch or describe what you see. Post a short write-up.
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Learn to tap SOS and your first name in Morse code, then post a short write-up or a link to a recording.
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Live counts from AmateurChallenge.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 AmateurChallenge.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.