From those iSpy books to Where’s Waldo, most of us have enjoyed scouring over complex images and trying to find objects hidden within them.

It’s even harder to spot the differences between two seemingly identical images. It takes a keen eye, but here are a few of the hardest “spot-the-difference” challenges you’ll ever see!

1. This is the easy one.

01-spot-the-difference

2. Getting tougher…

02-spot-the-difference


3. Anyone an art expert?

03-spot-the-difference

4. Gee, this one is hard.

04-spot-the-difference


5. This one is pretty easy.

05-spot-the-difference

6. Same with this one…

06-spot-the-difference


7. This one, however, is tough.

07-spot-the-difference

If you want to check your answers, here they are:

Some of those took us forever. You’d have to have a great eye to spot every single one of those differences correctly!

Share this tough puzzle with your friends below!