Spot the Difference puzzles test your observation and memory skills. The spot the difference challenge has become one of the ...

A brand-new challenge for armchair sleuths has just opened its case file, as DETECTIVE - The Test has launched on Xbox today.

An optical illusion featuring a camouflaged squirrel in an autumn scene is challenging internet users. Only 21% of people can ...

A visual challenge, the 'Spot the 409' test, requires participants to find a single '409' amidst numerous '406's within seven seconds. This exercise highlights how visual crowding can make subtle ...