Mind-Blowing Optical Illusion. These days, optical illusion images are going viral on social media. These puzzles and quizzes are not only fun but also help sharpen your mind. Sometimes, the hidden object in the image is right in front of your eyes, yet it’s not easily visible. Today, we bring you a viral challenge in which 666 is hidden between 66C. It’s claimed that it’s extremely difficult to find it in 15 seconds, and many people have tried and failed.

Many such optical illusion images have gone viral, testing your IQ and sharpening your mind. One such challenge is currently making the rounds on the internet.
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What is the challenge of this viral optical illusion?
This image is a prime example of optical illusions whose primary purpose is to deceive the eyes. Upon closer inspection, it appears that 66C is written everywhere, but in one place within this pattern, 666 is also hidden. Many users looked at it for hours, but couldn’t find the correct answer. This is why this puzzle continues to pique people’s curiosity.
Why is it so difficult to recognise 666?
In this viral photo on social media, the font, patterns, and shapes are arranged in such a way that your brain automatically recognises it as “66C.” This is why 666 escapes your attention. Illusions like this challenge our brain’s pattern-recognition system.
Did you find 666?
Now it’s your turn! Look closely at the photo and try to find 666 within 15 seconds. If you don’t, don’t worry; most people don’t recognise it the first time. This is why this optical illusion is so popular on the internet.

Why has it become a big challenge for people?
According to users, the eyes repeatedly recognise 66C in this photo, obscuring the other patterns. Many people claim they tried multiple times but couldn’t see 666. You’ll see 666 circled here.
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Why do people love these optical illusion photos?
- These types of photos trend online because:
- They claim to test IQ levels
- They keep the brain active
- They offer a fun challenge instantly
- They increase the entertainment value when shared with friends and family
Sometimes these photos also reveal your personality and observation skills, revealing how carefully you observe things.










