A simple yet powerful optical illusion is taking the internet by storm, claiming to detect your current stress levels based on what you see first. Discover how this viral puzzle works and what it says about your mental state.
A classic geometric puzzle, known as the T-Puzzle, is taking the internet by storm again. Can you solve this fiendishly simple challenge that tricks 95% of people on their first attempt?
A classic geometric puzzle, known as the T-Puzzle, is stumping minds online. With just four pieces, this century-old conundrum appears simple but reveals a fiendish challenge that tests spatial reasoning and patience.
Challenge your logical thinking with The Guardian's Sudoku #7037, rated 'Easy'. A fantastic way to boost your cognitive skills and enjoy a classic puzzle.
A viral maths brain teaser has left thousands baffled across the UK. This seemingly simple puzzle about brothers' ages is proving surprisingly tricky - can you crack it?
A new brain-teasing puzzle is taking the internet by storm, but only a tiny fraction of people can find the hidden panda. Are you one of the elite few with the visual perception to solve it?
A fiendishly difficult brain teaser is taking the internet by storm, with claims you need a 'sky-high IQ' to solve it. Can you crack the code and find the missing number?
Discover the incredible 'Swordfish' Sudoku technique that's taking the UK by storm. This simple strategy can crack even the toughest puzzles, making you a Sudoku master in minutes.
A deceptively simple maths equation has sparked a fierce online debate, dividing social media users and revealing a common mistake in the order of operations. Discover the correct answer and why so many people are getting it wrong.
A fiendishly clever optical illusion is taking the internet by storm, challenging users to find a single guitar pick hidden amongst a chaotic jumble of colourful picks. The viral Reddit post has left thousands utterly stumped.
A deceptively simple maths puzzle has gone viral, baffling thousands online. The equation seems straightforward, but the correct answer has sparked a fierce debate. We break down the two possible solutions and why this puzzle is so brilliantly tricky.
Tackle The Guardian's notoriously difficult Sudoku 7025. Our guide reveals why this puzzle is a true test of logic and patience for even the most experienced enthusiasts.
A new optical illusion is taking the internet by storm, with creators claiming only 1% of people can spot the hidden oddity. Can you beat the challenge?
A deceptively simple maths problem has gone viral on Reddit, leaving both children and adults utterly baffled. Join the debate and see if you can crack the code.
Discover Little Problems, the charming new British indie game that redefines detective gameplay with wholesome mysteries, zero violence, and a heartwarming approach to puzzle-solving.
A deceptively simple maths problem intended for 12-year-olds has gone viral after leaving parents utterly baffled. See if you can crack the code that has the internet stumped.
A deceptively simple maths puzzle has gone viral, with a claimed 99% failure rate. Do you have the keen eye and logical mind to spot the deliberate error and join the elite 1%?
A fiendish mathematical puzzle exposes how electoral boundaries can be manipulated. Discover if you have the strategic genius to crack the code of gerrymandering.