Almost all the online slot machines including the ones found on Pg slot auto, have a free version. The only expectation could be the progressive jackpot game and it is because of how it increases using the small percentages that are gotten from the bet to fuel it, and thus, impossible to offer a free version of the same.

The following is a list of some of the free slot machines which you can readily play online:

3-Reel slots

It refers to traditional slot machines that have 3 spinning reels and are usually one pay line. The 3-reel slots tend to have the best payback percentage that is available in the casino but they can at times feel to be dull when you start comparing them to some of the other games which are currently available.

The 5-reel slots

They are games that have 5-reels and various lines. They are known to feature a variety of bells and whistles like the wild symbols, scatter symbols, and the bonus games.

The video slots

All the slots found online are known to be video games by their default including the 3 reel games. It is a phrase that is utilized in describing a slot machine which is played on a monitor of a computer of some sorts, with spinning reels that are animated instead of the mechanical reels.

3D slots

They are the video slots that have 3D images and also the sound effects. Some of the games which are most interesting visually in today’s gaming industry are the 3D slots.

Story based slots

They are games featuring some kind of potlines and theme and with time, they are becoming quite popular.

The following are examples of the free slot games that are most popular which you can play online.

Fruit Frenzy

The fruit has been a free slot which is quite popular since the inception of the online casinos. There was a time when the slot machines were considered illegal and thus ended up dispensing candy instead of money to get around the strict laws.

The candy was fruit flavored and thus, the symbols indicated the type of candy which you won. It is the theme taken by the fruity frenzy to a conclusion that is quite interesting that features several reels and paylines. It is a slot machine by RTG and available on a variety of online casinos.

Nice or Naughty?

It is another RTG game which has a Christmas theme with about 5 reels and 50 pay lines. Its symbols include Mrs. Claus, Santa Claus and some reindeer. It is a fun game with a theme that is full of fun. And if you like the free version, then you can consider trying out the real money version.

The big bopper

RTG is well known for having several slot machines that are licensed. It costs a lot of money to come up with licensing and they are the lowest provider in terms of cost of the casino software that are available on the internet. They cannot afford to license anything which is too popular. The big popper is about a singer of oldies, famous for the song Chantilly Lace. It is such a nice song and the game is also a great slot game.