For everyone who wants to test their attentiveness and reaction speed, we present a new exciting game Find the Invisible Cow. In it you will have to find an invisible cow. A playing field of the same color will be visible on the screen in front of you. You will have a mouse at your disposal. You will move its cursor across the playing field and hear sounds. Guided by them, you will look for the place where the cow is. Finding it and clicking on the cow with the mouse, you will get points and go to the next level of the game.