Challenge: Only a highly intuitive person can spot the odd word in just 6 seconds

A new online visual puzzle challenges you to find a subtly different word within a grid of identical ones in just six seconds ...
Hindustan Times

Optical illusion: Only 1 in 20 can find the word ‘Stand’ in this grid within 10 seconds

Optical illusion: The word ‘Sand’ appears multiple times in this grid. You have to find the word ‘Stand’ in no more than 10 seconds. Optical illusions are going viral these days. One challenge that is ...

How to play Tubedoku - the addictive new puzzle game

Put your TfL IQ to the test.