Online Slots

We are spoiled for choice in terms of the excellent quality and variety of games that are available to us as a direct result of the ongoing development of online slot machine games. While you are sitting at home on your computer or using a mobile device to play the newest slots games, the major slots game developers are working diligently to bring you the next big game in this genre. When it comes to the games that can be played at online casinos, the creators are continuously testing the limits of what is possible. It is not surprising at all that there is such a high demand for these types of games because they offer players the opportunity to win a significant prize while only risking a little portion of their bankroll. This also helps to explain why, in the vast majority of situations, almost half of the portfolios of online casino operators consist of slots from a wide variety of different genres and settings. We have compiled a list of the top online slots sites for players who are interested in wagering real money on their games. Each of these casinos has been analyzed, evaluated, and ranked so that we can present you with the best online slots with the most profitable bonuses, the most intriguing themes and features, and the largest jackpots.

Best Online Slots

Electric Spins Casino
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Get 50 Spins

 Min deposit: £5. Max offer: 100% Games Bonus up to £30 & 50 Free Spins (on a game of our choice). Promo code: NEW5. Any Games Bonus winnings, if applicable, must be wagered 60x before withdrawal. Any Free Spins winnings, if applicable, will be credited as bonus funds and capped at £5.00. FS are valid for 7 days and any winnings must be wagered 40x before withdrawal. Games Bonus win cap: £100 + original bonus amount. Wagering contribution varies by game. Deposit balance is available for withdrawal at any time (UK only).

  • Payout Speed 2-5 days
  • Winrate 60%
  • Phone customer support available
  • Mobile friendly games
  • They hold a UKGC licence
  • No live chat
  • Limited casino game selection
KingBit Casino
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Up To 2 BTC

New players only. Welcome deposit bonus up to 2 BTC. Minimum deposit of 0.002 BTC. 40x wagering. Maximum bet allowed is 0.25 mBTC. Expires in 30 days. 

  • Payout Speed Instant
  • Casino accepts players from many countries
  • Good selection of games
  • Live dealer games are available
  • Customer support via phone is not available
  • Not all of the terms and conditions are translated to the language option provided on the website
VIP Casino
Total Gold Casino
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Daily 10% Cashback

New players only. Min Deposit £10. Max games bonus £100. To withdraw Games Bonus & related winnings, wager x65 the amount of your bonus+deposited funds. 25 Free Spins [FS]. FS are valid on Starburst for 7 days. FS wins are granted as Games Bonus after all FS are used. Games Bonus funds generated from FS winnings must be wagered x80. Max Games Bonus funds transfer to real money: £100 + the initial bonus amount. Wagering requirements vary by game. Country restrictions apply. UK only: deposit balance is available for withdrawal at any time.

  • Payout Speed 2 - 4 Days
  • PayPal is available for the UK players
  • Good selection of game providers
  • Secured with SSL encryption
  • No live chat support
  • Limited range of table games; no video pokers
Grand Ivy Casino
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25 Bonus Spins

New players only. Min. deposit £20. Max. bonus bet £5. Bonus spins on selected games only and must be used within 72 hours. Winnings from Bonus spins credited as bonus funds and capped at £100. Bonus funds expire within 30 days. Offer is 100% bonus match up to £300 + 25 bonus spins on your 1st deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds count towards wagering contribution. Affordability checks apply. 

  • Payout Speed 0-24 hours
  • Winrate 97.3%
  • Live chat open 24/7
  • Mobile friendly design
  • UK Gambling Commission-licensed
  • Multiple country restrictions
  • Bonuses not available for all countries
VIP Casino
BitFiring Casino
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100% Match Bonus

New players only. 1st Deposit Bonus Minimum deposit: £25 Wagering requirements: 70x bonus Deposit NOT LOCKED Maximum bet: £5 New players only Full Terms apply Bonus can only be played on slots Multiple games are excluded from the bonus offer

  • Payout Speed 12 hours
  • Winrate 78%
  • No restricted countries
  • Quick registration with only basic information
  • Live dealer games are not available
  • Unclear bonus conditions
BC.Game Casino
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Up to 1 BTC

New players only. Lucky spin up to 1 BTC. Accumulate points to unlock your bonus. Limited to 1 bonus spin per new account.

  • Payout Speed 12 hours
  • Winrate 86%
  • Accepts cryptocurrencies
  • Fast withdrawals through crypto
  • Live chat is open 24/7
  • No responsible gaming options
  • Customer support via phone is not available
Shazam Casino
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Up to 300% + 100 Free Spins

New players only. Minimum deposit: £25, Wagering requirements: 30x (bonus + deposit). Deposit NOT LOCKED. Maximum bet: £10, Maximum cashout: 20x deposit value. You can get 100% cashback on the first deposit, 50% on 2nd and 3rd deposits (40x wagering requirement). Min deposit for Neosurf is £10. There are more options for the first deposit bonus available. Bonus percentage depends on the payment method used for the first deposit.

  • Payout Speed Up to 3 days
  • Winrate 85%
  • Deposits by cryptocurrencies are accepted
  • Live dealer games are available
  • Live chat support is available 24/7
  • Below-average monthly withdrawal limit
  • Small selection of game providers

How the Very First Slots Appeared

If you are unfamiliar with this game, you may be astonished to discover that it dates back to 1895. Charles Fey, a teenage San Francisco mechanic, invented the first slot machine, which he named the Liberty Bell. It is essential to note that other coin-operated gaming machines existed long before Fey was created. However, it was his Liberty Bell that laid the path for the development of modern slot machines.

The slot machine included a coin slot and a handle for spinning the reels. Regarding reels, there were a total of three, and there were a total of five possible symbols. Instead of the now-iconic fruit symbols, the mechanic elected to use card symbols, such as spades, hearts, diamonds, etc., on his machine. Naturally, the machine's namesake, the Liberty Bell, was also among the potential symbols.

The distinctive feature of Fey's slot machine was that it had a single payline that ran across the middle of the display, and players received a payout whenever three Liberty Bell symbols appeared simultaneously. Exactly at this time, the grand reward of 10 cents was awarded. True, Fey's invention garnered a great deal of attention back then, but in 1891, Sittman and Pitt of Brooklyn built a similar gambling machine with coin slots. This machine was unique in that it was poker-themed and had 10 card faces on its five reels. At the beginning of each new game round, players were dealt a five-card poker hand. As it would appear, colour wheel games were also popular back then, but they rapidly faded into the background.

Development in Slot Technologies

Slot machines have come a long way since the introduction of the very first machine, as they have been considerably modernized and no longer rely on a mechanical, clockwork mechanism. The technical advancements have transformed slot machines into completely computerized, visually appealing machines with captivating sounds. Still, in order to obtain a full understanding of the peculiarities of modern slots, it may be useful to examine the earliest examples of this casino game. As previously stated, the introduction of virtual reels was among the very first enhancements made to slot machines. This was a turning moment in the evolution of slot machines for the simple reason that the chances of each game were limited by the amount of icons that might appear on each reel, resulting in lower payouts. 

The implementation of connected progressive jackpots was a further significant development in slot machine technology. As you may already be aware, a portion of each wager placed on progressive slots is contributed to a pot that grows continuously. When a player wins the grand prize, the jackpot begins to grow anew. Initially, jackpots were associated with a single machine, but they were shortly replaced by linked progressives, so named because they connect many games. The wide-area progressive jackpots are without a doubt the most tempting since they provide absolutely enormous payouts. This is owing to the fact that they do not merely connect a number of slots, but rather games offered by many casinos.

Key Features of Online Slots

When playing the game online, there are numerous slot machines to pick from. Each of the available titles has a unique theme and boasts amazing audio, images, and animations. In addition to the aesthetic appeal of video slots, players will enjoy an abundance of features meant to enhance their gameplay and make their gaming session more enjoyable.

As you may already know, reels are the vertical places on the grid, and the most common way to categorize slot machines is according to the number of reels. Gambling enthusiasts should keep in mind that they may encounter cascading, revolving, and tumbling reels.

The wild sign is a special feature that works as a substitute for ordinary symbols, allowing players to form winning combos. Wilds appear randomly on the reels, however they cannot replace for other bonus symbols, such as the scatter. In certain slot game variations, wilds are the highest-paying symbol. There are various varieties of wild symbols. For example, expanding wilds cover the full reel. Sticky wilds allow players to complete more paylines as they remain in position for numerous spins. On a single reel, stacked wilds are presented one on top of the other.

Free spins are yet another popular feature that benefits slot enthusiasts. The bonus spins can be activated in a variety of ways, but in most cases they are unlocked when a certain number of scatter symbols appear on the reels. Whenever this occurs, players are granted a predetermined number of free spins. Free spins are often played at the same wager amount as the spin that prompted them.

The scatter symbol is another player favorite feature. Scatters serve to activate a variety of advantageous features, including as free spins and minigames. Typically, scatters are the highest-paying symbol in video slot games. In contrast to wild symbols, which must be aligned on a payline in order to win, scatter symbols only need to appear on the reels to activate the bonus features.

How we rate

Our online casino ranking system is based on a variety of extremely significant aspects, with security taking precedence. As a minimum requirement, the highest-rated online casinos must have the appropriate security procedures to protect their clients' data and cash. The games provided by online casino sites are evaluated as part of our grading process. There must be a sufficient number of games to choose from, and these games must originate from trustworthy providers with a track record of fair play.

Online Slots FAQ

How to avoid rigged online slots?

You must ensure that the online casino you are using is regulated by the appropriate Gambling Commission. Due to the fact that game integrity is one of their top concerns, the games are most certainly not manipulated. We only propose licensed and regulated casinos.

What effect does slot volatility have on my winnings?

Volatility of slots represents the frequency of payouts and the multipliers of their wins. A very volatile slot pays out large amounts less frequently than a less volatile slot, which pays out smaller amounts more frequently. Each participant will have a unique choice.

Can I play all slots on my mobile device?

Yes. Virtually every online casino has a mobile version, either a downloadable app or a mobile-friendly version of their website. This is partially due to the fact that all licensed casino slots platforms and studios utilize the most recent html5 technology.

Is it simple to learn how to play online slots?

Each online slot machine will have its own set of rules that govern its play. They should be straightforward to understand and highlight winning combinations, paylines, and multipliers. Most video slots can be played in demo mode prior to wagering real money.

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