Fans of codebreaking, maths and brainteasers can now try their hand at the latest cryptic Christmas challenge set by GCHQ, ...

The UK's intelligence, security and cyber agency creates a Christmas Challenge puzzle every year and this year marks a decade ...

Holidays bring celebration, rest and, for many families, long stretches of indoor time. For some, this means tabletop games ...

A fun puzzle that mixes logic with maths! Use your reasoning skills to move the matchsticks and solve this clever brain ...

Meet Tom, a seasoned voyager in the realm of RPGs and MMORPGs, where the virtual landscapes of games like Final Fantasy 14 are his domain. With an impressive track record spanning nine years as a ...

You are a genius if you can solve this math puzzle in 9 seconds. Go ahead and test your analytical and mathematical skills!

Brain teaser puzzles test the reader's critical thinking and problem-solving skills by challenging them to solve a problem.

A graphic artist is testing everyone’s knowledge of algebra and attention to detail with a pictograph math problem that assigns numbers to different plants. Gergely Dudás, of Budapest, Hungary, shared ...

A math puzzle is a type of brain teaser where the reader's critical thinking and problem-solving skills are tested. These challenges have the potential to boost intelligence and improve concentration.

The Riemann Hypothesis is one of the most famous problems in that set. It’s about prime numbers. That’s any whole number that can only be divided by 1 and itself – like 2, 3, 5, 7 and 11.