Most Popular Free Casino Slot Games

Slot machine games are one of the most popular online casino games with more than 71 per cent of players preferring slots to any other casino. The clinking of the coins, the bright flickering lights, the buzz of excitement as you push the button, the ringing of the reel, and then the jackpot of money, are all notable features of these fantastic games. Free casino slot games are the very best of 21st century gambling, with online slot machines offering players the ultimate source of entertainment, which is available whenever they want and wherever they are in the world.

If you are a big fan of casino slot games, especially ones you can try out for free, then you have come to the right place, as we have created a handy guide for the most popular free casino slot games. With free casino slot games, you will have the pleasure of playing on a variety of different platforms, whether you decide to play on your iOS iPhone on your morning commute or on your HP laptop in your PJ’s on a lazy Saturday morning.


How Online Casino Slot Games Work

No matter which slot game you discover is your favourite, when you strip them all back to basics the way you play them is very similar. The first thing to understand, is that each online slot machine has its own set of combinations, jackpots and payouts. The next thing is that, while the results of each spin are completely random, they are produced by a random number generator, which means that some slot machines will be far more generous than some others but only if luck is on your side. If you want to check your favourite slot machine games payback percentage, then check out the information page of each online slot machine. However, some online casinos have it in small print so you may have to hunt around.


Types Of Slot Games

3 Reel Slots

These are the most traditional form of slots, and were of course the first to be developed online. They are based on their land-based predecessors and online players will be able to find thousands of online 3 reel slot games.

Video Slots

These are also commonly known as 5 reel slots. Video slots are incredibly popular with the online gambling community as many can be found with all different themes, from ancient Egypt to popular TV shows like South Park and The Walking Dead.

3D Slots

Online 3D slots not only have amazing graphics and effects, but transport players right into the future. If you come across these on an online casino site be sure to give them a try. As they bring slot games to a whole new otherworldly virtual level.


5 Best Theme Slots

If you have been struggling to find the right free online slot games for you then there is no need to suffer anymore. Here at Best Deal Casinos, we have been scouring the internet not only for the best online casinos, promotional offers but the best games too. With so many well-crafted and thrilling slot games to choose from, no wonder there is such a struggle to pick a game. The biggest and most popular free online slot makers include three big game-players; Microgaming, Playtech and NetEntertainment. These three gaming software companies provide players with more than 100 hi-tech, action-packed slot machine games, with new and exciting ones being created all the time.


If you are a big fan of Marvel comics, TV shows and films, then watch all of your favourite superheroes come to life with The Iron Man 2 slot games. This 5 reel, 25- line game has a Marvel Mystery Progressive jackpot which can also be found on many other Marvel slots. There is no one way to trigger the jackpot, it just happens completely at random. Other action-packed Marvel slots you can play if you’re a fan include Spider-Man, Avengers, X-Men, The Hulk and many, many more.

The Dark Knight

Chances are if you like Marvel, then you are also a big fan of DC films and comics too, and if you are then you are in luck. The Dark Knight progressive video slot is one of the top online slots ever created, with 243 way cinematic spins, stacked wild, bonus features, free spins and progressive jackpots, and a huge number of free spins available. Once you have chosen your character you can get down to playing, whilst being spoiled with a huge range of symbols, music, and cinematic cut scenes.


This has proven time and time again to be one of the most popular video slots of all time, with millions of different players enjoying it. Starburst’s reels are filled with gems and have a vintage arcade feel to it; however the biggest focus to this free casino slot game is the wild symbol. The reason as to why the wild symbol is so great is that it can be a substitute for other symbols on the reel. If it happens on the 2nd, 3rd or 4th reel that’s the real bonus, if this happens, it will trigger a re-spin which can create massive wins. Don’t take our word for it, feel free to try yourself.

Deal or No Deal

You may have heard of the life-changing TV show, and now you can try your luck with the slot game, which features 5 reels, 20 paylines and a progressive jackpot. With amazing graphics and even better audio, it really captures the true fun-natured essence of the TV show. If you are a risk-taker, then this could be for you, the longer you wait the bigger the possible reward.


Once an Ancient Egyptian Queen, now a captivating fun slot games. Cleopatra is one of the most famous female historical figures to have her own slot game centred on her. Created by IGT, Cleopatra is a classic 5 reel, 20 payline slot machine game with a fun ancient Egyptian theme. It doesn’t matter how you decide to play, as this game is accessible on a wide range of platforms including desktops, tablets and mobiles with a large majority of online sites offering this to players, with numerous free spins too.