Can you prove to your friends you are quicker than 98% of everybody else? On the face of it, this illusion looks like a simple one as hidden within the dozens of 02s, there is a 20 waiting to be found ...

Do you have excellent vision and a sharp eye for detail? If you enjoy challenging your brain with tough puzzles, this optical illusion is the test you've been waiting for! A single number 3 is ...

This brain teaser may look really easy at first, but it is trickier than you think! Hidden inside a sea of 02s is the number ...