This is an American pilots reaction test. You have to hold out for more than 2 minutes in order to pass the test successfully. Usually ordinary people without any training are able to stand for 10 seconds professional players – for 30 seconds surgeons – for 70 seconds pilots – for 150 seconds specially trained chimpanzees can stand for more than 20 minutes!

Click and hold the red square.
Now move it so that you neither touch the walls nor get hit by any of the blue blocks