Join others around the world in attempting these weekly code puzzles

Event Start

1st January 2026

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149

Players

Countries

307

Challenges Solved

158

Code Solutions Uploaded

Programming Languages Used

Recent Solved Challenges

greenya solved challenge 46 - Prime Sums 1 days ago greenya solved challenge 45 - Kaprekar Numbers 4 days ago BMC solved challenge 45 - Kaprekar Numbers 6 days ago BMC solved challenge 44 - Euro Counterfeits 1 weeks ago greenya solved challenge 44 - Euro Counterfeits 2 weeks ago BMC solved challenge 43 - Veni, Vidi, Decrypti 2 weeks ago greenya solved challenge 43 - Veni, Vidi, Decrypti 3 weeks ago Draw6 solved challenge 40 - Snakes & Ladders 3 weeks ago BMC solved challenge 42 - The Ultimate Answer 3 weeks ago greenya solved challenge 42 - The Ultimate Answer 1 months ago BMC solved challenge 40 - Snakes & Ladders 1 months ago greenya solved challenge 41 - Inverse Word Pyramid 1 months ago BMC solved challenge 41 - Inverse Word Pyramid 1 months ago greenya solved challenge 40 - Snakes & Ladders 1 months ago devilssnare solved challenge 39 - BIP 39 1 months ago BMC solved challenge 39 - BIP 39 1 months ago greenya solved challenge 27 - Image Watermark 1 months ago greenya solved challenge 39 - BIP 39 1 months ago shallowspirit solved challenge 8 - Primes 1 months ago shallowspirit solved challenge 7 - Friday 13th 1 months ago

Create a private leaderboard for your friends, school, university, workplace...

Accessible for all - if you're a high school or college student, you should be able to attempt and solve all of the challenges

If you're struggling, help will be available via social media and solutions will be visible once the week has finished - though submissions can be made any date!

The larger the community becomes, the more fun taking part in the weekly challenges should be - feel free to share the site amongst your friends, classmates, colleagues, social media groups etc!

Good luck - and have fun!