Most all online casinos offer free slots games by signing up as a guest player. Some of the casinos only allow you to play the casino games a certain amount of times. Microgaming has the best free online video slots and as a guest player, you can enjoy playing for as long as you wish. If you run out of funds you just go to banking and add more. The free online slots games are with the same payout odds as if you were playing for real money. Plus each month the Microgaming casinos add more video slots to keep it exciting. You can choose to play for real money with the free online slots bonuses now being offered with no deposit needed.