Online slots is getting more and more popular these days. You can enjoy a game of slots from the comforts of your home. Not to mention the numerous sites that offer free cash slots. These sites are hot favorites among all the slots sites online. It is basically a game of slots where you do not have to make any deposits. They are also known as “no deposit bonus”. First, you need to register yourself to these sites. You do have to make a small deposit after registration in most of these sites. These sites then offer you almost the double the money for playing. For instance, if you made a deposit of $100, then you will receive $200 to play the game.