When it comes to online casino games, slots are certainly the most popular of them all. Online video slot games offer up high quality video animation, HD graphics and top-class sound effects. The result is a game that is both entertaining and rewarding. In the US, all top-rated online casinos offer players the option of playing free online casino slots without requiring them to make a deposit. In the notes below, we are going to look at exactly how to go about playing free slots online.