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FlashCasino.org is home to thousands of online slots and you can play all of them for free right now. Check out all their design and bonus features without spending a cent and then play with real money bonuses at our top recommended online casinos.
Our collection is constantly being updated and each slot is thoroughly reviewed. Use our bespoke filtering software to find games made by trusted game developers and that are available in your location.
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Types of Free Slots
Slot games can differ considerably in design and features. Many game developers go the extra mile when it comes to devising unique and engaging slots.
When it comes to grouping games by type, many slots fall into multiple categories. Here is a brief introduction to some of the more popular slot types and how to identify them.
Classic slots are a throwback to the 'original' slot experience, which took place on a slot machine. These slots aim to replicate some aspects of the classic experience while still offering the convenience and additional features of modern games.
Many classic slots use three reels and the familiar symbols of Lucky 7s, the gold bell and fruits often make an appearance. Sometimes called fruit machines, most offers few or no additional bonus features, giving the experience a certain authenticity. NetEnt's Mega Joker is a good example of a classic slot.
The term video slots encompasses the majority of online slots made in recent years and the category is so broad it is difficult to pin down a fixed definition. However, for the most part, video slots have the three following aspects: more than 3 reels, various themes, game features.
Above all, video slots offer players variety, whichis what a lot of people appreciate. Video slots are also graphically pleasing offering players a great gaming experience over all.
Today, most video slots are multi-line slots i.e. they have more than one payline. Some classic slots feature a single payline but these are fairly rare.
The term multi-line slot encompasses slots that offer as few as three lines and as many as 50. A similar concept - Ways to Win - abandons the idea of 'lines' altogether. In this case, hitting a number of identical symbols on adjacent reels constitutes a win and there are no fixed patterns that must be created. Leagues of Fortune by Microgaming offers a whopping 1,024 ways to win.
As the name suggests, these slots have a jackpot feature. This can be fixed or progressive, local or pooled. It's worth understanding the kinds of jackpots available as there are important differences to take note of.
Progressive jackpots receive the most attention due to the life-changing sums they pay out. Keep your eyes out for these types of jackpot slot games. Possibly the most notable progressive title to try is Mega Moolah, brought to you by Microgaming.
Mobile slots bring the online gambling experience to mobile devices such as tablets and smartphones. These games are optimised so that they look and perform well on the smaller touchscreens of mobile devices as opposed to the large screens and mouse capabilities of a desktop or laptop computer.
Nowadays, most newly released slots are mobile-friendly by default, which means mobile players have an unparalleled range of games to choose from. For a great mobile experience, try out Yggdrasil's Vikings Go To Hell on your smartphone or tablet.
Typical Free Slots Themes
There are literally no limits to the kind of themes slot games can have! Fruit slots, for example, use symbols popular in fruit machines, though they often have many more features packed in.
Fruit Themed Slots
Fruit slots use symbols popular in fruit machines, though they often have many more features packed in.
Luxury Themed Slots
A popular theme is casino play itself and more specifically, casino winnings. Many slots are all about the luxury yachts, expensive jewelry and fast cars that a big jackpot win can buy.
Nature Themed Slots
Nature is a source of inspiration for slots as well. The jungle, the oceans and the savannah are just a few of the natural habitats that act as a background to video slots and of course, the unique wildlife of those regions makes an appearance too.
Civilation Themed Slots
Many slot developers are based in or originate from the Scandinavian region of Europe, which may go some way in explaining why Vikings and Norse gods are such a beloved slot theme. Similarly, the ancient civilisations of Egypt and South America are often explored in slots.
Hollywood Themed Slots
Slots are also fertile ground for franchising opportunities, pairing the release of a blockbuster film or television series with an online game. Vikings, Jurassic Park, Game of Thrones, Planet of the Apes, and Halloween are just a few titles that made it from the screen to the online casino.
Experience Bonus Rounds While Playing Slots for free
The biggest advantage to playing slots for free is that you have the opportunity to play for as long as needed to trigger the bonus features.
Perhaps the most popular bonus feature is the free spins feature. This is usually activated by landing specific symbols, often the Scatter. The number of free spins awarded varies and some games allow players to re-trigger the feature, which means they enjoy additional spins for free.
Slots can also have bonus games. These 'mini games' are played within the slot itself and add another level to the player's participation. Pick and Click games present the player with a number of options and making a selection will reveal prizes. Gamble features let the player bet their win on the outcome of a roll of the dice or the drawing of a playing card.
Prize wheels are one of the more exciting bonus rounds. Prize wheels can award access to additional features like free spins or bonus games, coin wins or even jackpot prizes.
Below are a few of the most important phrases and terms you are likely to encounter when playing slots for free:
- Wilds A Wild symbol will substitute for other symbols, though usually only the standard ones i.e. excluding bonus or special symbols.
- Scatter This symbol will activate a bonus feature, usually when three or more appear on the same spin.
- Multiplier This game feature multiplies wins by a set number ex. x2 or x5. In some slots, multipliers can be stacked for even bigger wins.
- RTP This stands for Return to Player, the theoretical percentage of a player's wagers that will be returned to them via winnings. Important to note that this calculation is based on long-term play and does not guarantee returns on every spin.
- Jackpot A large prize pot that can be won on a slot game.
- Paylines/Betlines Landing matching symbols on one or more betlines/paylines will constitute a win. Paylines generally go from left-to-right across the game screen.
- Paytable The part of the game software that includes details such as symbol values, payline patterns, information on bonus features etc.
- Free Spins A popular bonus feature, free spins allow the player free rounds within a game, which are often slightly different from the main game.
- Bonus feature An additional feature within a slot game, activated when certain conditions are met.
- Volatility Volatility or variance describes the confluence of the frequency of winning and the size of average win on a specific slot. High volatility games pay out large sums infrequently while low variance games pay out regularly but in smaller amounts.
- Reels The vertical columns of a slot game that 'spin' to reveal symbols.
- RNG Random Number Generator. This is the software that underpins every slot game, ensuring that the results of every single spin are completely fair and random.
- Symbols These icons appear on slot games and landing specific combinations will constitute a win.
- Win Both Ways This means that winning combinations from right to left are counted just as wins from the standard left to right are.
- Game Developer/Game Studio This is the software company responsible for creating and maintaining its online slots. Examples of game developers include NetEnt, Microgaming and Playtech.
Here are a few of the most commonly asked questions about online slots, how they work and where to find them.
This depends entirely upon the game. Each slot will have a maximum win limit, which takes into account the amount a player can win if they bet the maximum amount and hit all the possible paylines. Some slots have very large maximum wins while others have lower limits.
The term free spins generally refers to a bonus feature built into a slot game that awards the player extra rounds, gratis. These are usually activated by landing a specific number of a certain symbol, though this can differ. The paytable will tell you all you need to know about triggering free spins in a slot game.
This stands for Return to Player. Expressed as a percentage, it is a theoretical calculation of the proportion of a player's wagers returned to them through winnings. The higher the RTP, the more likely you are to get some of your bets back. Keep in mind that this number is worked out over millions of rounds, so it is in no way a guarantee that you will get the same returns in the space of one slot session.
Also called variance, volatility is a description of how often and how well a slot game is likely to payout. Some game developers make the volatility of their slots public while others do not. Low volatility games pay out in small amounts more frequently, while high volatility games pay out less often but usually in larger sums. Volatility is important information when it comes to choosing which slots match your style of play and your bankroll.
It is in the interest of online casinos and game developers to make sure their games are safe. Slots are audited to ensure that they are completely fair and random. To guarantee that you are only playing audited slots, always stick to licensed online casinos.
Slot tournaments are competitions between players. Results can be based on net wins on a specific game, amounts wagered or how many times a bonus feature is activated.
This bonus awards players free rounds on a game or games, often as a reward for making a deposit or creating a casino account. The term free spins should not be confused with the built-in bonus feature included in many slot games. Free spins bonuses are used to play the main slot game and do not automatically give the player access to the free spins bonus feature within a slot.
The short answer is no. The long answer is that game developers spend a lot of time and effort into ensuring that their games are totally random and thus, it is impossible to 'beat' a slot game by trying to guess the result of the next spin.