Open the Link below & see how you get on with this one !!

This one will drive you nuts!! The object of the game is to move
the red block around without getting hit by the blue blocks or touching
the black walls.
If you can go longer than 18 seconds you are phenomenal.
The US Air Force uses this for fighter pilots. They are
expected to go for at least 2 minutes.

http://tinyurl.com/56t9u