YOU could be the record holder if you can spot the hidden phone in this mind-boggling optical illusion in under 30 seconds.
The device has been sneakily disguised on a patterned rug, making it extra tricky for puzzlers to spot.
The brain-frazzling image was shared by with the caption: "Let's play a game. Look for the cellphone."
It's a difficult exercise as the phone case has a similar pattern to the rug.
One feature of the phone really gives away its location.
Some people suggested zooming into the image to make it easier.
So can you spot the phone in under 30 seconds?
The post has racked up more than 150,000 reactions and hundreds of comments.
If you're really stumped, have a scan of the right-hand side of the photo.
And if you still can't spot the phone, scroll down to the bottom of the page for the answer.
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Puzzlers were left baffled by the optical illusion - with some thinking it must be a prank.
One said: "I thought it was just a joke, but it's true."
Another wrote: "At first, I thought it was a 3D illusion... but I also saw it."
A third said: "It's hard to find!!"
If you want to challenge yourself more, here are three tests to see how your brain works.
And here's another brainteaser baffling the world, with people claiming it’s taking them ages to work it out.