Hidden image puzzles like this one take it up a notch ... This optical illusion IQ test online challenges you to find a seal hiding among penguins in just 5 seconds. Can you do it?

So take your time, get creative and write yours in the comments below. There are 7 coloured penguins missing from our puzzle - your job is to work out which penguins we need to fill the gaps.

Flex your mental muscles and master the art of assembly - Pocket Puzzle is available on Xbox One and Xbox Series X|S.

Penguin Mug Games has officially released its 2D puzzle platformer, Super Puzzled Cat on Steam. Click here for more details!

Watch the release date trailer for Super Puzzled Cat, a 2D puzzle platformer developed by Penguin Mug Games. Players will utilize time manipulation, jetpacks, gum, and more to overcome platforming ...