Human brain is one of the most powerful and complex systems in the animal kingdom. This such impressive organ is able to generate high levels of consciousness and unlock all kind of creativity and thinking processes. The question is: are there any living entities in the deep space that are superior to us? It is highly probable, but we still know so little about the universe, not even speaking of discovering other civilizations. But, we are here to test our own brains, human brains! How? By exposing you to a great puzzle game! Look at the two photos which seem identical and try to find the five differences. Can you spot all of them? Simply click on a difference to mark it. Be careful: clicking a wrong spot will give you a time penalty. Be quick to earn 3 stars per level and complete over 100 levels with beautiful images! Have fun.