Alex Bellos @alexbellos.bsky.social · 17/08/2026www.theguardian.com/science/2026...theguardian.comCan you solve it? A new goat for puzzledom’s GOATTake this puzzle by the horns 020
Alex Bellos @alexbellos.bsky.social · 02/03/2026www.theguardian.com/science/2026...theguardian.comCan you solve it? You won’t believe these optical illusions!The magical art of Olivier Redon 020
Alex Bellos @alexbellos.bsky.social · 16/02/2026www.theguardian.com/science/2026...theguardian.comCan you solve it? Chapeau! A smart new hat puzzleLogicians and their bonnets 000
Alex Bellos @alexbellos.bsky.social · 02/02/2026www.theguardian.com/science/2026...theguardian.comCan you solve it? The numbers all go to 11Puzzles one louder than ten 010
Alex Bellos @alexbellos.bsky.social · 24/11/2025www.theguardian.com/science/2025...theguardian.comCan you solve it? Are you smarter than a soap bubble?The minimum you can do 010
Alex Bellos @alexbellos.bsky.social · 10/11/2025Devised by computer science superstar Michael Rabin in the 1980s, it's an all time classic @lance.fortnow.com @lenoreblum.bsky.social @rrwilliams.bsky.social @randomwalker.bsky.social @benbenbrubaker.bsky.socialance.fortnow.com 120
Alex Bellos @alexbellos.bsky.social · 10/11/2025A wonderful puzzle rescued from oblivion. www.theguardian.com/science/2025...theguardian.comCan you solve it? Two dead at the drink-off – a brilliant new lateral thinking puzzleWho poisoned who? 161
Alex Bellos @alexbellos.bsky.social · 29/09/2025Some light entertainment www.theguardian.com/science/2025...theguardian.comCan you solve it? Ungoogleable and unhinged – ten hilarious visual teasersRiotous rebus riddles 000
Alex Bellos @alexbellos.bsky.social · 15/09/2025An oldie but a goodie www.theguardian.com/science/2025...theguardian.comCan you solve it? The simple T-puzzle that fools everyone (at first!)staggeringly simple, toermentingly tough 010
Alex Bellos @alexbellos.bsky.social · 01/09/2025www.theguardian.com/science/2025...theguardian.comCan you solve it? Are you a genius at gerrymandering?A politically partisan puzzle 110
Alex Bellos @alexbellos.bsky.social · 18/08/2025www.theguardian.com/science/2025...theguardian.comCan you solve it? Are you a matcha for these tasty Japanese puzzles?Brain food from the land of rising sums 010
Alex Bellos @alexbellos.bsky.social · 04/08/2025www.theguardian.com/science/2025...theguardian.comCan you solve it? Ambigrams – you won’t believe these flipping words!A pun, a puzzle and a work of art 531
Alex Bellos @alexbellos.bsky.social · 21/07/2025www.theguardian.com/science/2025...theguardian.comKen you solve it? Are you a match for the world’s greatest TV quizzer?Jeopardy’s Jennings is the king of ken 100
Alex Bellos @alexbellos.bsky.social · 07/07/2025www.theguardian.com/science/2025...theguardian.comCan you solve it? The world’s most fascinating number – revealed!It’s not what you expect 010
Alex Bellos @alexbellos.bsky.social · 23/06/2025www.theguardian.com/science/2025...theguardian.comCan you solve it? Is “yes” the answer to this question?Questions about questions 010
Alex Bellos @alexbellos.bsky.social · 26/05/2025www.theguardian.com/science/2025...theguardian.comCan you solve it? The most Guardian puzzle everOn brand mathematics 031
Alex Bellos @alexbellos.bsky.social · 12/05/2025www.theguardian.com/science/2025...theguardian.comCan you solve it? Are you craftier than a cat burglar?Don’t run out of rope! 120
Alex Bellos @alexbellos.bsky.social · 28/04/2025www.theguardian.com/science/2025...theguardian.comCan you solve it? How to have fun with strawsRiddles with long paper cylinders 000
Alex Bellos @alexbellos.bsky.social · 17/02/2025www.theguardian.com/science/2025...theguardian.comCan you solve it? The simple geometry question that fools almost everyoneA triangle and a rectangle walked into a pub 030
Alex Bellos @alexbellos.bsky.social · 03/02/2025Are you a Prime Target? www.theguardian.com/science/2025...theguardian.comCan you solve it? Sexy mathsThe eternal appeal of prime numbers 010
Alex Bellos @alexbellos.bsky.social · 20/01/2025Quizzers in a queue www.theguardian.com/science/2025...theguardian.comCan you solve it? Logicians in a lineA head-scratching hat puzzle 010
Alex Bellos @alexbellos.bsky.social · 23/12/2024We have been waiting for more than half a millenium for this numerical felicity. 2025 will be the first year since 1520 that is in the five times table. www.theguardian.com/science/2024...theguardian.comCan you solve it? All you need to know about 2025Five fives alive! 000
Alex Bellos @alexbellos.bsky.social · 17/12/2024It is also available at your local bookshop: uk.bookshop.org/p/books/the-...uk.bookshop.orgThink Twice: Solve the Simple Puzzles (Almost) Everyone Gets Wrong a book by Alex Bellos.'Brilliant' G.T. Karber, author of MURDLE'A lot of fun especially if shared' ***** Amazon reader review'We had great fun as a family trying to puzzle these out' ***** Amazon reader reviewEveryone else... 000
Alex Bellos @alexbellos.bsky.social · 17/12/2024My new book is ONLY A FIVER for today and to celebrate my publishers made me a Xmas JPEG You can get it here: amzn.to/4gk4Ra8 100
Alex Bellos @alexbellos.bsky.social · 09/12/2024Was reading the new Sally Rooney when up popped a puzzle... www.theguardian.com/science/2024...theguardian.comCan you solve it? That Sally Rooney hat puzzleLiterary logic 020
Alex Bellos @alexbellos.bsky.social · 25/11/2024The hardest part about writing a puzzle column in a newspaper format is having to write a catchy headline, and finding a picture from the Guardian archive that somehow fits. But it does allow opportunities for humour, I guess. www.theguardian.com/science/2024...theguardian.comCan you solve it? Brain-training for MartiansDo you have alien intelligence? 030
Alex Bellos @alexbellos.bsky.social · 16/11/2024Hello - wow it's nice to be on here. Apols for beginning with some self promotion but my new book THINK TWICE is 99p on Kindle for one day today. Don't think twice! amzn.to/3YQ6iWo 140
