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

In case you've faced some hurdles solving the clue, Test, we've got the answer for you. Crossword puzzles offer a fantastic ...

GCHQ’s Chief Puzzler, Colin, said: ‘This year’s Christmas Challenge features seven puzzles designed to test everything from ...

Who doesn't love a good visual puzzle? For years we've been publishing Spot the Difference puzzles in our print magazine. To play, you simply study the photo on the left, then compare it to the same ...

GCHQ’s chief puzzler, known only as Colin, added: "This year's Christmas challenge features seven puzzles designed to test everything from codebreaking and mathematical analysis to lateral thinking ...

In the mood to challenge your brain? Here are some printable sudoku puzzles that are sure to make you think hard. Sudoku puzzles aren’t easy, but with a little practice and some helpful sudoku tips, ...

Optical illusion puzzles are fun and tricky pictures that are designed to play with our eyes and brain. When we look at these ...

If you have ever taken an IQ-type test, then you are familiar with “odd-one-out” puzzles. Most such puzzles present figures, images, or symbols in a sequence, with the goal being to spot the one item ...

Jigsaw Puzzles are tiling puzzles that require the assembly of some irregularly shaped, interlocking pieces of card in a regular and perfect shape that forms a complete picture. Jigsaw Puzzles are a ...

Picture puzzles are a quick test of your intelligence. If you are a fan of mental workouts and enjoy solving puzzles, you would be surprised to know that it is one of the many reasons you possess ...

In case you've faced some hurdles solving the clue, Prepares for a test, we've got the answer for you. Crossword puzzles ...

I have shared puzzles based on arithmetic in previous posts. They generated quite a bit of correspondence, acknowledging both their challenging nature and the possibility of different solutions to the ...