Challenge your cognitive abilities with this perplexing optical illusion! A grid of seemingly random letters hides a clever secret: one letter of the alphabet is conspicuously absent. Designed to ...

Are you ready to put your brain to the test with a fun yet challenging puzzle? Picture Puzzle IQ Tests are an engaging way to assess your observation skills and problem-solving abilities. These visual ...

In 1987, The Ultimate Alphabet was a publishing phenomenon. A New York Times & Sunday Times bestseller, the puzzle book by Mike Wilks featured 26 beautifully painted images, each of which was crammed ...

Okay, it’s time to give your brain a serious workout—and no, we’re not talking about Sudoku or those “count the triangles” puzzles. This is one of those sneaky, maddening, “how did I miss that?!” ...

CUE up a stopwatch and rub the tiredness out from your eyes as you gear up to test your intelligence with this alphabet brainteaser. In this side-by-side ABC image, your task is to find three mistakes ...

When Google abandoned its former mantra, “Don’t be evil,” last year, the motto had already become something of a joke. It originated in 2004, in a statement from the Google founders, Sergey Brin and ...

Nasa's Earth Observatory has tracked down images resembling the letters of the English alphabet. The pictures are made up from satellite imagery and astronaut photography. Watch the 26 incredible ...