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Best Online Slots


Slots are undoubtedly the most popular online casino game, which has remained so for many indisputable reasons.

  • One, slots is very convenient to play.
  • Two, it offers an exciting opportunity for a fun-filled gaming experience.
  • Three, it is easily accessible anytime from anywhere around the world, even from the comfort of one’s home.
  • Four, every Jack and Jill can play slots; it is simple and easy to understand and does not require any technical know-how to play.
  • Five, it is easily configurable to suit players’ preferences through different themes and graphic displays.
  • Finally and most importantly, slots have the highest winning chances, i.e. RTP.

The best online slots have personified these qualities to become unique brands globally recognised and patronised on the internet. In some countries like the UK, the best online casino slots usually double as the best payout online slots, having the most competitive RTPs in the global online casino market.

Best Online Slots

How Do Slots Work?

Behind the fun and excitement offered by slots is a systematic arrangement of different components. These components of the best slots online are identified as follows:

  1. COINS: This particular component differentiates real money slots from free slots. Without the coins, there is no real money payout. Coins represent the value of your stake and, consequently, the value of the returns or payout. Therefore, the higher the value of the coin, the higher the payout will be.
  2. PAYLINES: The number of paylines in an online slot may vary from one online casino to another. Nevertheless, paylines determine the value of your wins depending on how many you wager on.
  3. RNG: Random Number Generator (RNG) is arguably the most important component in the functioning of the best paying online slots. It determines which symbols or numbers and how each symbol or number appears on each reel of the slot. It is the factor behind the random appearance of different symbols or numbers on the reels on every spin.
  4. REELS: This is otherwise called the slot game’s screen because it displays the symbols generated at every spin. In other words, it is the component that notifies the player of the outcome of a spin.
  5. SPIN: The spin button activates the functioning of the slot, hence, a very important component of online slots. In other words, all other components of the slot do not get to work until the player clicks the spin button.
  6. PAYTABLE: This typically displays the worth of each symbol and how many or what combinations are needed to win.

PAYTABLE casino slots

Types of Slots

The best payout online slots exist in different types depending on the provider’s configuration. The distinctiveness of each type of slot cuts across game features, bonuses, gameplay, payout, jackpot and even game strategy. Thus, the different types of slot include the following:

Free Slot

This allows a player to enjoy the game without staking any money, hence, termed risk-free. Further, there are different versions of free slots. Some free slots can only be played when you have signed up with the online casino, while some free slots allow you to play without registration. Some free slots do not require any deposit from the player into his gaming account, while some free slots require such even if it will not be staked. Nevertheless, free slots can be played via a downloadable online casino app or a browser on the best online slots sites like Genesis Casino.

Real Money Slot

This type of slot offers big wins and jackpots for as little as a penny or as high as hundreds for the higher rollers, depending on the player’s financial capabilities. Its prominent features are the Return-to-Player Percentage, volatility of the game, compatibility of the game with the player’s device and the Paytable.

Vegas Slots

These are typically virtual versions of the slot machine games of Las Vegas traditionally played in land-based casinos, though with some extra game features and bonuses such as free spins and multipliers. They are highly notorious for their humongous jackpots. Volatility is also a very important feature of Vegas slots.

Progressive Slots

Contrary to the classic slot one-off bet, a player’s stake on every spin is added progressively until he hits the winning combination, hence, a progressive slot. As a result, asides from offering the highest chances of winning big, they offer the biggest payouts and jackpots, otherwise called Progressive Jackpots.

Types of Slots Bonuses

One bold reason slot is widely patronised over all other online casino games is the bonus features offered on slot games. The best online slots offer different kinds of bonuses, namely:

Free Spin

This is very common to many popular online slot games. It is online slots’ best bonus because it offers players the opportunity to win big without staking a dime.

Free Spin casino slots

The best online slots to win generally offer free spins though the value varies from one slot to another. Likewise, depending on the online casino, you may need to fulfil some wagering requirements before cashing out your wins from free spins. There is always a limited time to use the free spin.

Deposit Bonus

The best online slots to play generally offer a deposit bonus that matches your deposit, usually the first deposit, by a certain percentage of the deposit. Besides, a minimum deposit is usually specified, which must be made in order to activate the bonus. Similarly, there are wagering requirements that must be fulfilled before accessing the bonus wins.

No Deposit Bonus

The best online slots casinos like Bwin Casino always make a special provision for no deposit bonus for their slot games. Rewarding players usually do this with free spins or bonus funds upon registration without having deposited any real money in the account. You can play the slot game with the bonus and win real money. Also, there are always wagering requirements attached.

Features of Online Slot

The best slots online free possess certain features that are responsible for the fun and thrill in the games and make playing slot games a highly rewarding endeavour. These features are explained as follows:

  1. SYMBOLS: Asides from connoting different values, symbols contribute to the aesthetic value derived from slot games. The popular symbols are cherries, lemons, bells and bars with varying values. There are also bonus symbols.
  2. WILDS: They replace regular symbols in the game and help complete winning combinations. Asides from substituting symbols on the reels to set a win wilds rightly, they make their special rounds as specified by the game’s rules. It is possible for wilds to occupy the entire reels. Also, some wilds have multiplier features that double or triple wins.

SCATTERS: They appear anywhere on the reel and guarantee wins. Alone, they can activate free spins, and together with some other symbols, they can make huge wins.

Providers of Online Slot

A selling point for slot games has always been dependent on the providers. Providers are usually gaming software companies that design slots online. The best free casino slots online are products of highly reputable gaming companies, a few of which are identified as follows:


It was established in 1994 and is famous as one of the first companies to introduce online slot games. They are the providers of prominent online slots such as Jurassic World, Avalon, Game of Thrones and Thunderstruck.


It was established in 1996 and now a very popular slots provider. They are responsible for popular slot games such as Starburst, Gonzo’s Quest, Twin Spin, Reel Rush, Secrets of Atlantis, etc.


It was established in 1999 and also a very popular slots provider. They are the providers of Green Lantern, Miss Fortune, Archer, Dolphin Crush online slot games, amongst a host of others.


It was established in 2005 but is now a big player in the industry. Their online slots include Rise of Dead, Sabaton, Crystal Sun, Golden Colts, Agent Destiny, and many more.

INTERNATIONAL GAMING TECHNOLOGY: Established in 1975 and popularly called IGT, it is owned by Scientific Games Corporation. They are providers of a wide variety of popular slots online, such as Cleopatra, Triple Diamond, Wolf Run, Pixies of the Forest, and many more.

Payment Tools On Slot Games

Traditionally, all you need to play slots on a machine were either your quarters or a few notes. Since the advent of online slots, the payment system has been forced to upgrade to encompass the latest financial technologies. Thus, tools to make payment on slot games include the following:

Factors to Consider in Choosing the Best Slot Sites?

It is common for online slots to allow online casinos to configure certain aspects of the slot game, including bonus features, payouts, etc. Therefore, in playing the best slot games online, it is always important to consider the casino site you are playing. Thus, here are a few tips on factors to consider in choosing the best slot sites:

  • It must have a wide variety of fun and exciting slot games
  • It must be secure, trustworthy and fair both in the configuration of the games and gameplay itself.
  • It must offer a great variety of excellent bonus features and free spins.
  • It must accommodate speedy, safe and secure payment methods or channels.
  • It must be easy to understand and navigate.
  • It must have a fair balance of volatility and RTP.
  • It must have very attractive jackpots.


From the initial in-depth evaluation, it is obvious that several factors qualify online slot games as the best online gambling slots. A veritable source of information on the best online slots is trusted slot review blogs and websites. However, regardless of the bloggers’ convictions, equip yourself with the above-listed tips to make an informed decision.

How do I deposit funds to play?

You can deposit funds to play slots in the following simple steps:

  1. log in to the online casino
  2. Go to the cashier section of the online casino
  3. Choose your preferred payment method
  4. Fill in the payment details
  5. Complete/confirm your deposit.
  6. Find your favourite slots on the online casino and start playing
What is a Welcome Bonus?

A welcome bonus is a bonus offered by an online casino as a reward for registering with them. Depending on the online casino, you may need to make a minimum deposit to activate the bonus.

Do you have to play online slots for real money?

No. The best slots online offer free slots, which allow a player to play a few slot games for free without any real money deposit. However, no payout is attached neither is there a chance of winning real money when you play free slots.

Do I have to download software to play?

The best online casinos have upgraded to having both a web-based and a downloadable app-based casino. For such casinos, slot games are available on both platforms. Therefore, you have the freedom to choose whether to download the casino software app or access via a web browser to play your favourite slots.

What is a Progressive Jackpot?

A Progressive Jackpot is a jackpot common to progressive slots, which increases each time the slot game is played though not won. If the jackpot is won, it is reset again to the pre-programmed value and restarts the sequence again.

What is a Payline?

A payline determines the value of your wins depending on how many you wager on.

What are Free Spins?

It is a popular slot bonus feature that offers players the opportunity to win big without staking a dime. Free spins enable you to spin for free with a chance of earning real money. However, there is often a wagering requirement attached.

What is a paytable?

It displays the worth of each symbol and how many or what combinations are needed to win.

Posted by Daniel Velasquez
Former Casino Brand Owner

Previously owned his own small casino brand, Daniel Velasquez becomes an expert in the online gambling domain. He writing perfect reviews from a managerial perspective based on his own experience.

Daniel understands customer needs and able to provide an objective evaluation for casinos he is reviewing. His main aim to guide new customers in the attractive world of online gambling.

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