Mathematical Puzzles to Celebrate the Arrival of 2026
A mathematical challenge set by Alex Bellos uses basic operations to make the number 26. Explore the solutions and test your own numerical skills for the new year.
Category : Search result: challenging puzzles
Guardian's 2025 Christmas Cartoon: Spot the Famous Faces
The Guardian's annual Christmas cartoon challenge by Stephen Collins is back. Can you identify the 20 figures who defined the news in 2025? Test your knowledge now.
Genius Crossword No. 270 Poses December Challenge
The latest Genius crossword puzzle No. 270 is now available for December. Test your word skills with this challenging cryptic crossword designed for UK solvers.
Why Jigsaw Puzzles Are Good For Your Brain
Discover how jigsaw puzzles boost mental health and cognitive function. Learn why this classic pastime is making a major comeback in the digital age.
Sudoku 7097: Conquer The Guardian's Toughest Puzzle
Tackle The Guardian's notoriously difficult Sudoku 7097 with our expert solving strategies and mental agility tips for puzzle enthusiasts.
Sudoku 7096: The Ultimate Brain Teaser Challenge
Prepare for the ultimate mental workout with The Guardian's notoriously challenging Sudoku 7096. This fiendish puzzle promises to test even the most seasoned solvers with its complex logic and satisfying solution path.
Can You Solve This Challenging Sudoku Puzzle?
Put your number skills to the test with The Guardian's latest medium-difficulty Sudoku puzzle. Perfect for sharpening your mind during a coffee break or commute.
Guardian Crossword Editors: Prunella & Mortimer's Puzzle Magic
An exclusive look at the dynamic duo, Prunella Randolph and Mortimer, who are revolutionising The Guardian's crossword desk with their unique editorial partnership and innovative approach to puzzle-making.
Saturday Quiz: Connect Carrington, McQueen & Trotsky
Put your knowledge to the test with The Guardian's challenging weekend brain-teaser that connects surrealist art, revolutionary politics, and cinematic brilliance.
Expert Sudoku Challenge: Test Your Puzzle-Solving Skills
Ready your pencils and sharpen your logic for The Guardian's latest expert-level Sudoku puzzle. This brain-teasing grid promises to test even the most seasoned puzzle enthusiasts with its clever number placement challenges.
Killer Sudoku 994: The Ultimate Brain Challenge
Dive into the world of Killer Sudoku with puzzle 994 - a perfect blend of logic and arithmetic that will test even the most experienced puzzle solvers. Discover strategies and tips to conquer this popular brain game.
Master This Mind-Bending Sudoku Challenge
Put your logical skills to the ultimate test with The Guardian's notoriously difficult Sudoku puzzle #7089. Discover expert strategies and tips to conquer this brain-teasing challenge that's stumping puzzle enthusiasts nationwide.
Challenge Your Mind: Britain's Ultimate Word Puzzles
Dive into the mind-bending world of word puzzles with the UK's very own quiz king. Test your wits against today's most cunning linguistic challenges and discover if you have what it takes to solve them.
UK Quiz King's Latest Brain-Teasing Puzzles
Dive into today's mind-bending puzzles from Britain's master quiz-setter. Test your wits with linguistic challenges that will stretch your brain to its limits.
Killer Sudoku 993: The Ultimate Weekend Brain Challenge
Challenge your mind with The Guardian's latest Killer Sudoku puzzle. Expert tips and strategies to help you solve this deceptively tricky number game that's taking the UK by storm.
Master The Guardian's Challenging Sudoku 7081
Tackle one of The Guardian's most challenging puzzles with our expert breakdown of Sudoku 7081. Discover strategic approaches and mental exercises to master this brain-teasing number game.
Killer Sudoku 992: Britain's New Brain-Teasing Obsession
Discover why Killer Sudoku 992 is captivating puzzle enthusiasts across the UK with its unique combination of logic and arithmetic that pushes mental boundaries.
Sudoku 7073: Conquer This Week's Brain-Busting Puzzle
Challenge your mind with The Guardian's notoriously difficult Sudoku 7073. Our expert guide reveals strategic approaches to help you solve this week's cerebral test.
5 Dog Breeds With Hidden Behavioural Challenges
Thinking of getting a new furry friend? Discover the surprising behavioural traits of five beloved dog breeds that could test even experienced owners.
Killer Sudoku 991: Ultimate Brain Teaser Challenge
Dive into the fascinating world of Killer Sudoku with puzzle 991. Discover solving strategies, mental benefits, and why this brain-teasing game continues to captivate puzzle enthusiasts worldwide.
Clock and Table Riddle Baffles Britain
A deceptively simple maths puzzle involving clocks and tables has gone viral, leaving thousands scratching their heads. Discover the solution to this viral brain teaser that's dividing the nation.
Guardian Launches New Film Quiz For Movie Buffs
The Guardian launches its thrilling new film puzzle series, challenging cinephiles with fiendish questions crafted by professional quiz-setters. Are you movie-literate enough to conquer it?
Expert Sudoku Challenge: Conquer Puzzle 7060
Tackle The Guardian's notoriously difficult Sudoku puzzle 7060 with our expert solving strategies and mental workout tips for serious puzzle enthusiasts.
Killer Sudoku 990: The Ultimate Brain-Twister
Prepare for the most demanding Killer Sudoku puzzle yet as puzzle 990 pushes logical thinking to its absolute limits. Discover why this numerical nightmare is captivating puzzle enthusiasts worldwide.
The Guardian launches daily football quiz
The Guardian expands its popular Puzzles hub with a brand new daily football quiz, challenging fans' knowledge of the beautiful game while driving digital engagement.
Puzzles and Dementia: Truth Revealed
New research examines whether doing puzzles truly protects against dementia. Discover the science behind cognitive decline and what really works for brain health.
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