Portal 2 vs thinking

*Portal 2 Video Preview 2

I think portal 2 is now a very popular game even in its 1st generation. I downloaded the free version. It requires a strong sense of logic because it is so different to the real life. I really believe that portal help us to think and view things in many various ways. Once our brain become more active, our brain will performs and functions better than before.

And.. you will be like 'wth' after you watched this: