The best free slots to play in Spain 2021

Slot machines are known as the simplest casino game. This is because they do not require any skill. They often depend on chance. Its mechanics are simple, as they consist of placing one or more coins. This being what will activate the machine. Making use of a button or lever for it.

Slots are of great importance in the casino. Both in its online and face-to-face mode. This is because these machines collect a large part of the profits from the operators.

In online casinos there are many games that attract professional players. Nonetheless, slots were a good option for casual players. Since these are a form of fun. Both to distract and relax, and to try to earn some money.

On the other hand, what most drove players to slot machines was not just the desire to hit the jackpot. But the game itself, because this one is very eye-catching. With their sounds and colors, the slots attract everyone. In addition, we must add to this the emotion of each player when winning in these that make you approach.

But it doesn’t stop there, as online slot machines have seen an increase in popularity. Since these seek to offer the public a unique casino experience. Which in turn is motivated by other factors. As is the case with welcome bonuses, free spins and other ways to play for free in them.

Know the elements of slot machines in casinos

Here you can discover the variations of the slot machines that exist. As well as their characteristics and what makes each one unique.

These machines can be divided into several categories according to:

• Number of reels: slots may differ in their number of reels. Both in its online version, and in physics. In the most popular, these range from three to five, although some can have as many as nine. By having a greater number of them, the combinations grow, since they go from hundreds to thousands.
• Pay lines: these vary depending on the machine, in fact, in the older ones, there was only one pay line. With the evolution and innovation of these, the possibility of playing with extra lines was added. Causing this that the winning combinations in a slot machine are greater.
• Programmed: slot machines can be programmed. In such a way, these would give a prize every certain amount played. These are the slots found in bars.
• By chance: these are the slot machines that have the RNG software installed. Also known as “random number generator” or random number generator in Spanish. Guaranteeing with this that each roll has a random result.
• 3D Slots: With the advancement of technology, the graphics and visuals of these games also improve. The final results of these are increasingly sophisticated. Adding even minigames that attract players. Now the symbols and characters have free movement in three-dimensional space.

Single Currency Slot Machines

These are known as the classic slot machines. Which have a simple operation, but a lot of fun. To be able to play alone, it is enough to use a coin. It is ideal for beginners and is aimed at those looking for a casual game.

In the beginning, these machines offered a single payment line. Besides having few winning combinations. But this did not detract from its popularity. However, nowadays it is somewhat difficult to find this class of slot machines. This is because over the years they have been changed by new versions. Since these types of slots were not the most profitable for casinos for the amount that each player paid.

Long games predominated on these machines, with only one coin per round. Playing a low amount inclusive. Which could cause groups to crowd into a slot machine. To appreciate, cheer and line up. Everyone wanted to have their turn and try their luck in this new game of the time.

Multiplying slot machines

These slot machines have one main function: to increase the winnings. Multiplying these by the amount of coins that is bet in the game. This modality also has two forms:

• Direct multiplier: in these a proportional prize is received. Which is measured according to the total number of coins that have been played.
• Bonus multiplier: in this type of slot, the amount of coins wagered is measured. The more coins you use, the higher the chance of hitting the jackpot.

These machines appeared to allow to introduce more than one currency, increasing the prize. Since this will depend on the amount you enter. Therefore, with it you can make high bets.

A complex machine is but-your-play. Which has the particularity that it offers several payment lines. Depending on the number of coins you enter into the game, you may have more ways to win available. The higher the stake, the more options to win a prize.

They are currently one of the most common slots on the market, a good technique to win on them is to be constant. Make each bet with the maximum amount of coins, this will open pay lines that will help you. As well as combinations that perhaps you did not know before.

Therefore, the best idea to be able to win on these machines is to keep trying. Know the combinations and be on the lookout for special symbols in order to improve the spin.

Video slot machines

These have partly been the forerunners of online slot machines. They are the favorites of those passionate about technology. As well as pop culture lovers. After all, many of them refer to iconic series, movies, and characters.

Its gameplay is striking, leaving behind the original reels or reels. They have opted for bright screens with attractive colors for the players. In addition to a good mesmerizing sound.

The leap into the digital age has led to the rise in popularity of slot machines. This has made them seek to innovate with them and take them a step beyond the usual. Computer-programmed images are used in order to show the resulting symbols on each print run. They work great in bonus rounds and mini-games, as well as character interaction.

These are the slots of the future and they are available today. Both visually and mechanically they trap the participant in a unique world. With its graphics, symbol mobility give the player the ability to fully immerse themselves in the game. Without a doubt it is one of the best options if you want to enter this type of bets.

Progressive Jackpot Slot Machines

Progressive jackpot slots are unique. These are connected to each other. So every time a player bets on one, the prize for everyone will be increased.

The jackpot starts at a preset amount. But it goes up as the players place their bets. As soon as one of them wins the jackpot, it returns to its initial value.

In these types of machines, the best way to get the maximum prize is to play with the highest bet. It is necessary to use this value and thus have a good chance of winning it. The amount can amount to hundreds of thousands of euros, which could change anyone’s life in a single play.

There are some modalities of this type of slot machine:

• Jackpot within the same machine: the value of the prize increases each time it is played on it, it is independent of the others. The amounts range in the tens of thousands of euros.
• Jackpots inside a casino: they are slot machines interconnected with each other. All within the same establishment. With even bigger prizes, these can be in the hundreds of thousands of euros.
• Jackpots within various online casinos: they are the highest denomination. Which can reach millions of euros. These slots are connected. Achieved through the network in different places by the game provider.

The best progressive jackpot slots

Progressive jackpot slots have become popular over time. It could be said that even more than the traditional ones. This is due to his grand prize. The one that everyone is willing to win. Although the prize is very high and the odds small. This does not inhibit players from participating with perseverance.

Therefore, we have compiled some of the most popular:

• Superman: with a large progressive jackpot connected between all the machines in the DC series.
• Pink Panther: Help the Inspector and take home the progressive jackpot.
• Gladiator: on your return to ancient Rome, participate for the great boat it has.
• Cat in Vegas – Every cat and jackpot lover’s favorite slot machine.
• Age of the Gods – gods protect the big juicy prize. This is connected with its aftermath.
• Batman – Catwoman – enter the world of the bat hero and help him stop organized crime in the city.
• Man of Steel: access the progressive jackpot of the entire DC series through this machine and help Superman defeat his enemy.
• Jackpot Giant – has a large progressive jackpot just like the name implies, come in and test your odds in this good game.

Multiply your winnings on slots with progressive jackpots

One of the most interesting online slot machines of all is that of progressive jackpots, here we tell you why.

These online slots are connected to each other. So every time a player bets on them, the prize increases. You have to consider something very important to have a better chance. And it is that you have to bet the maximum in all the plays. In these types of games, patience is the key if you want to achieve it.

What characterizes these slots is that the payout increases with each bet. This type of machine has a low percentage of return to player. They pay less frequently than others, but their amount to pay is very high. Which is why it is sometimes necessary to play for the maximum payout to hit the jackpot.

A good strategy for this game is to limit the plays. In order to wait for a grand prize to accumulate. There you start to bet the maximum value on each play and thus increase the chances of getting the jackpot.

We bring you below the advantages of playing in this type of online slot machines:

• Progressive slots have a millionaire jackpot.
• They have a great variety of designs and themes.
• They are available in their online version, both for your computer and mobile.

Some of the disadvantages of playing them:

• You must bet the maximum value. This way you can increase your chances of getting the biggest jackpot.
• They have a low percentage of RTP. This implies that they do not give out prizes as often as other slot machines.

Best Progressive Slot Providers

Most casinos have many game providers. This in order to offer a greater variety of titles to its users. On the other hand, if it is possible to have some exclusivity on a machine it is better for them. Being a good way to attract players.

It is also true that the more casinos are linked in the same network, it is possible to give a bigger prize. Situation which many of these operators take advantage of. In order to offer a huge pot out of anyone’s possibilities.

Here is a list of the best providers of this type:

• Microgaming – They have one of the largest networks with over 40 progressive slots. Its popularity is due to the unique payment of its prizes in the network. They have paid around 400 million euros. No download or installation required to play them.
• Realtime Gaming – They have one of the best gaming and prize software. In addition, they have one of the widest ranges of progressive jackpot slots.
• NetEnt: one of the most innovative and high-tech providers on the market. They stand out for Mega Fortune, one of their best slot machines. Which has paid one of the largest jackpots in history in online casinos: 11.7 million euros.
• Playtech – These providers have paid out over € 200 million since the inception of their progressive slot network. They have around 20 titles with big and exciting jackpots. They have exclusivity in their Marvel Jackpot network. You don’t need to download any software to your computer to play. It is compatible with mobile devices.

Play online slots for free: tricks and strategies