Classic slots are and always will remain popular. There are a variety of them to choose from but there are certain ones that never go out of style. For example, the three reel classics have been around forever and usually top the list with the Red White and Blue slots, the Double and Triple Diamonds, and the Lucky 7s.
There are still other classic slots too, especially the Classic Fruit Machine Slots, and the Cleopatra lines. There are more than just three reel slots as there are five reel slots too. Now, many of these classic slots are available in a no download version while others are available in a real money mode.