Optical illusions are an effective way to assess IQ and increase concentration. The challenge is to identify a hidden chicken ...

A dice is camouflaged in this optical illusion image. Spotting the dice requires high focus and razor-sharp observation ...

This fun optical illusion tests your ability to focus! The cluster of related words conceals a word. Within 6 seconds, ...

This optical illusion challenges viewers to spot the hidden ‘666’ among a sea of ‘696.’ This puzzle tests your focus, attention to detail, and visual skills. Can you find it within seconds? Try it now ...

Optical illusions are useful for improving concentration and visual perception. In this challenge, readers must find a hidden ...

This fun optical illusion tests your ability to focus! The cluster of related words conceals a word. Within 8 seconds, ...

Optical illusions challenge eyes and brains with hidden numbers in complex patterns. This test features a 6-digit number ...

If you spot the hidden number already, congratulations, you are part of a rare group with top-notch visual perception skills.

If you still can't see them, try focusing on the verticals between the rectangles. Or, alternatively, if you're one of the ...

An optical illusion has been shared on Reddit, with the challenge asking users to find the iguana hiding in the sunny garden ...

From the 'Moon Illusion' to 'The Dress', there have been many baffling optical illusions discovered over the years. However, this festive illusion might be one of the most perplexing yet.