The Challenge
This vibrant scene features a sea of blue circles, each marked with the number 57. Hidden somewhere amidst all these similar shapes is a single circle containing 37.
Your mission: spot the concealed number 37 as quickly as possible. You only have 5 seconds time is ticking fast! This tricky optical illusion is designed to fool visual pattern recognition and test genius-level observation.
The hidden object blends perfectly with the crowd. Scan every circle carefully and try not to blink! Most people give up before the timer hits 5.

Benefits of Solving Puzzles
Optical illusion puzzles do more than entertain they boost your brain power! Solving brain teasers like this:
- Enhances neural pathways and speeds up mental processing
- Improves pattern recognition, attention-to-detail, and visual perception
- Strengthens cognitive skills such as memory and analytical thinking
- Boosts concentration and helps you focus better in daily life
By training your mind with viral puzzle challenges, you improve real-world observation, memory, and IQ test scores. Genius-level cognitive skills start with simple visual perception puzzles—try one every day!
Difficulty Breakdown
This “find the hidden number” challenge is rated “hard”:
- All circles look almost identical, tricking your eyes into missing the odd one out.
- The number 37 is cleverly camouflaged among rows of 57s.
- Most people give up after just 3 seconds, with only 2% managing to spot the hidden object in time.
- Don’t worry if you miss it 99% fail this ultra-shocking challenge!
Hint Section
Finding it tough? Here are some progressive hints (spoilers ahead):
- Hint 1: Scan the lower rows of the image.
- Hint 2: The hidden number is closer to the left than you might expect.
- Hint 3: The 37 is hiding in the fourth row from the bottom, third circle from the left.
Solution
Congratulations to the eagle-eyed puzzle solvers who found the number 37! Your observation skills are truly genius-level. For everyone else, here’s the answer:
The sneaky “37” is in the lower half of the grid, fifth row from the bottom and fourth circle from the left.
It’s cleverly disguised among the blue 57s, blending so well almost everyone misses it on the first try! See its precise location highlighted in the solution image below.





