FOBISIA Code Breaking Competition 2025
Back by popular demand – we’re going to run the FOBISIA Code Breaking Maths Challenge again. Last year we had close to 120 schools taking part with over 22,000 students completing at least one code level. We hope that this year’s event will be equally successful.
The dates will be:
Between Monday 22nd and Friday 26th September 2025.
If you are a teacher you can join the mailing list to register and receive more information about this competition by filling in the Google form here.
If you are a student then please get your teachers to sign up!
There will be 7 different code levels each with several codes to crack – crack all the codes in a level and enter the leaderboard. Crack the Test of Genius level to prove your code-breaking prowess!