As its name implies, this test, very funny, allows to demonstrate that humans are not as smart as they claim. You must prove that you're better. Just follow the instructions to the letter. It's a kind of Jacadi.
Console yourself if you can't go to the end of the first run, it's normal, but you worry if you do not arrive!
Use the mouse to click. Don't be an idiot!
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.