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Online Slots

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Online Slot Machines

When choosing various games with gambling sites, a player might wonder what to test the best. For instance, one may crave classic table games, which require knowledge of Poker, Blackjack, Roulette. Otherwise, for those who crave simplicity but adrenaline powered with fun, it is a typical description of slots. Below, you will see a detailed guide to slots online by the GambleChief team.

Tips to Play Slot Machines

Slots are popular games for one’s time spending. Your main target is to wager and then spin the wheels. So, you literally compete against the computer algorithm where every spin is linked to a certain outcome. Since all the modern online slots are designed and comply with the RNG factor, you access unpredictability. In simple terms, RNG means that every single spin may grant you either a win or no outcome at all.

How is the win granted? Slots online are designed with pay lines and symbols. Whenever you place a bet and click Play, the machine spins the wheel, and symbols fall on the grid. A winning combination is usually the one that features 3 winning symbols together on the same line. The more lucrative symbols fall on the same line, the higher your win is based on the previously placed bet. 

Then, progressive slots involve special symbol characters that provide you with extras like free spins or a gamble. Beyond that, you may come across such games where you occasionally hit the jackpot, hence, a fortune of money. As was said above, everything is ongoing at random. So, to play smartly without risking all your cash, you should always know when to stop.

Top Slots Sites Online
Play Fortuna
5.0 rating
The first welcome bonus of 100% (up to $500) per deposit
T&Cs Apply
- New customers only
- The first welcome bonus of 100% (up to $500) per deposit, as well as winnings for free spins, are credited to the Bonus account at this stage.
- The wagering coefficient for the first welcome bonus in the amount of 100% of the deposit is x40. You can wager the bonus within 30 days from the moment of its accrual.
- The wagering coefficient for free spins at the first stage of the welcome bonus is x20. The wagering period is 30 days from the moment of accrual.
- Winnings for free spins at the second stage of the welcome package are credited to the Actual account.
- Winnings for free spins at the third stage of the welcome package are credited to the Bonus account and wagered at a coefficient of x20. The wagering period is 30 days.
- Bonuses are canceled if they are not wagered on time.
- Winnings for free spins at the fourth stage of the welcome package are credited to the Actual account.
- Play Fortuna technical support staff are aware of all welcome bonuses. If you have any questions, please contact the chat 24/7.
Booi
5.0 rating
200% booster bonus up to $300 for a deposit of $20+.
T&Cs Apply
- New customers only
- Starting 200% bonus is charged to the Bonus balance. The wagering coefficient is x30 of the deposit amount and bonus. You can wager the bonus within 5 days from the date of accrual.
- Free spins winnings go to the Bonus balance. The wagering coefficient is x40 of the winning amount. Use free spins within 7 days. You can wager the bonus within 30 days from the date of accrual.
- The final welcome bonus offer - 50% booster bonus up to 300 USD. It goes to the Bonus balance. The wagering coefficient is x30 of the deposit amount and bonus. You can wager the bonus within 10 days from the date of accrual.
- The bonus will be credited to your actual account immediately after wagering.
- If the bonus is not fully wagered within the required time - it is canceled.
Jackpot.com
4.8 rating
Play with £15 and Receive 50 No Wager Free Spins
T&Cs Apply
- This Free Spin offer is exclusively available for new Players.
- The Free Spin shall be made available upon a minimum deposit of £15 or more which needs to be spent in any of the Qualifying Games through one or multiple bets.
- The minimum deposit amount needs to be made in one unique transaction/deposit and not cumulative deposits.
- The minimum deposit must be spent and/or bet on any of the Qualifying Games within 48 hours of the first minimum deposit being credited to the Players account.
- The Qualifying Games are any of the Slots and Instant Win Games offered by Jackpot.com.
- The Free Spins will be available to claim, upon spending the minimum £15 deposits on any of the Qualifying Games, for 7 calendar days as of the day when they were credited to the Players account under My Account > My Promotions Section.
- The Free Spins can only be used on Bigger Bass Bonanza.
- The maximum winnings that can be withdrawn from the Free Spins are £100.
- Any terms not specified in these Special Promotional Terms, the Promotional Terms shall apply and will be subject to Jackpot.com Terms and Conditions.
PlayOJO
4.8 rating
PlayOJO First Deposit Bonus 50 Extra Spins with NO Wagering
T&Cs Apply
- First time depositors only
- Min. deposit €10
- Maximum amount of Free Spins is 50
- Free Spins valued at €0.10 per spin.
Jozz
4.8 rating
100% up to 500$ in bonus, 1st deposit bonus
T&Cs Apply
- New customers only
- Get a starting promotion for a deposit of $10 or more after activating this bonus. No welcome reward will be awarded without activation.
- You will receive a bonus equal to 100% of the made deposit. The accrual does not exceed $500. You can withdraw this amount only after wagering with x40 odds.
- The period for wagering the bonus is 30 days - after this period, the accruals are debited from your account.
- While the accrual is on the Bonus account, it cannot be used for bets and you cannot perform any other actions with it - only withdraw to the Real account if all wagering conditions are met.
888
4.8 rating
Get 100% up to $200 888casino welcome bonus
T&Cs Apply
- New players only
- FP must be claimed within 48 hrs of receiving the email and expires after 14 days
- To withdraw bonus & related wins, wager 30 x (bonus amount) within 90 days
- Restrictions apply to deposit until wagering requirement fulfilled
- Wagering req. vary by game
- This offer may not be combined with any other offer
Playluck
4.5 rating
Collect your Welcome Bonus up to €500 and 100 Extra Spins
T&Cs Apply
- Min. deposit: £20. Max. bonus: £100.
- Offer valid on first deposit.
- Offer only applies to new players.
- When you open new account, you have the option of not receiving the Playluck welcome bonus, by clicking ‘later’ at the end of registration process.
- When you choose the option of receiving the Playluck welcome bonus, you are subject to the bonus policy
Welcome package includes 4 deposits bonuses as follows:
*1st deposit: 50% up to £50 + 30 extra spins in Starburst
*2nd deposit: 20 extra spins in Starburst
*3rd deposit: 20 extra spins in Book of Dead
*4th deposit: 50% up to £50 + 30 extra spins in Aloha! Cluster Pays!
- Unused extra spins expire 24hrs after being issued.
- Spins are on several of our best paying games.
- Bonuses that require a deposit must have the bonus amount wagered 35 times.
- Winnings won with extra spins that require a deposit, have to be wagered 35 times your extra spins winnings unless stated otherwise.
All bonuses offered by Playluck.com will be subject to the following rules: -Playluck.com Welcome Bonus – 50% bonus on your first deposit up to £50 unless otherwise stated. This bonus only applies to deposits of £20 or higher! All you need to do is just deposit the money in your Playluck.com account and you will receive this bonus instantly!
For example:
Deposit £60 get £30, play with £90.
Deposit £90 get £45, play with £135.
Deposit £100 get £50, play with £150.
RocketPlay
4.5 rating
300% in Welcome Bonuses + up to 100 Free Spins
T&Cs Apply
- Make first deposit from 20 EUR and grab your bonus 100%
- 100 Free Spins on the first deposit are added in a set of 20 per day for 5 days
- Max Bonus 200 EUR
- Max bonus bet 5 EUR
- Wager:40X

What Are Rules to Play Online Slots?

Luckily for new players, there are no strict or complex rules with Internet slots. First, is to register with the preferred gambling site. After the registration, you have to deposit money and pick the slot that fits your preference and liking. 

Most online casino machines allow you to bet starting from 1$-10$ among others. Otherwise, you can also play with denominations of pay line, and bets into coins.

Please note that there are also no strategies for hitting a winning combo for sure. For such purposes, you can first proceed with demo plays and only after contributing some cash. After that, you can manipulate with both high and low bets just to experience the machine, strange it may sound. 

Pay Tables – In simple terms, pay tables are the characteristics of outcomes from every spin when landing a winning combo. For instance, they signal you how much you can get by landing certain symbols in one line together. Then, they may hint at how many lines are winning. Most commonly, the information on pay tables/payout may be found within the settings of the picked machine. For instance, by clicking the Information/Setting button, you will discover the values of all the symbols. If this information is not available within the slot, you can learn more with the online slot developer, among others.

Wilds and Scatters – Wilds and scatters with online casino slots are extra symbols with many slots that help customers potentially earn more cash. Wild symbols can also be called jokers that reveal extra features. They usually appear at random and on any line without restrictions. With most slots, they do one thing – they may substitute some regular symbols and replace them with more lucrative symbols. Yet, it does not apply to replacing the scatter.

Scatters are known for unlocking additional features. For instance, if reels are covered with at least 3 such symbols, you can initiate bonus spin rounds. Then, they may also initiate the in-game gamble like when you need to guess the colour of the card. Let’s take an example of Flux by Thunderkick slot. Scatters there are represented by symbol B. You can land a maximum of 5 of them. The more you have them on the grid, the bigger the amount of bonus spins is.

Free Spins – This developers’ perk is the most popular for gamblers’ attraction because it helps them spin the wheels without placing real bets. They are not always available with any online slots, but you can really hit a huge win if they are there. Note, bonus spins may be available as an in-slot feature or acquired feature by claiming some bonus codes, promotion codes. If you receive them as a prize for registering, you should remember the wagering requirements, which you should fulfil before withdrawing your earnings. 

The offered amounts of free spins may vary. Some casino slots may offer even 100 of them.

Bonus Rounds – They also serve as an extra feature with some slots online. For instance, by having 3 similar symbols on the grid simultaneously, the machine automatically spins the wheel until there are no more winning outcomes. With the Narcos slot, you can access such a round and try to collect as many Pablo’s symbols as possible. They may somehow resemble bonus spin rounds because you also do not place any bet.

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Mobile Internet Slots

Most modern internet slots are built on HTML5 software and technology. It means that every game is suitable for mobile-friendly plays. You can either download a game or play it through the screen with the casino app. Otherwise, you can enter the gambling site and pick any game for your time-spending on most operating systems like iOS and Android. The same concerns not only your mobile phones but also tablets.

Note, some old-fashioned slots may lag behind more advanced machines and offer you only a vertical screen for play.

Variations of Online Slots

As of now, it is possible to speak of 5 major variations of online casino machines which you may pick based on your interests. Most commonly, the gambling site makes advances by facilitating the search of slots and finding the categories of machines. 

Classic – First off, do not mistake classic slots for something outdated that our predecessors used to play. Yes, they carry a huge history behind, for example, gambling offered in the first Las Vegas casinos. Such machines consist of 3 reel, but instead of inserting the coin, you can simply wager online. 

The best example of classic variation is the fruit machines. The ones where you play with cherries, plums, lemons, bars, and 7s. When playing them, you do not puzzle your head with many winning lines and features such as bonus spins among others. Accordingly, there are also not many lucrative outcomes if the slot machines are not linked to offering jackpots.

Video Slots – Video games are a category common for many gambling sites. Compared to classic options, there might be many pay lines, reels, and available features. Then, video slots are the ones that come with advanced graphics, audio effects, and occasionally 3D technology. Speaking of history, the first-ever slot from this category was introduced back in 1975. It was called Fortune Coin.

Multi-Payline and Multi-Reel – As the name suggests, such online slots come with multi-pay lines and multi-reels. Traditionally, they usually feature 5 reels/20-25 pay lines. Accordingly, the more you have them, the higher chance to land a huge win is. By picking such slots, you have to go to settings and set up the number of pay lines for your spins. 

Progressive Slots – Progressives are the sought-after games for high-rollers and those who love risk. They stand for slots that may offer a set jackpot. For instance, a progressive jackpot is a pool of cash collected based on the involved players who decide to play it. Players by placing their bets automatically contribute a certain percentage to that pool which will be randomly triggered by one or another player. So, you can be the one who is lucky to win a jackpot or another customer. Based on experience, there were jackpots, which have been triggered during the first spin. Yet, such events are rare.

3D Slots – Last but not least type is the 3D slots. Again, as the name suggests, a game is designed with the help of 3D technology. You can find the difference by opening a classic fruit machine and a newly launched game. Compare the graphics overlook the audio effects. For instance, when playing Gonzo’s Quest, you can see Gonzo, an adventurer who will move down the grid and initiate some features. It gives more real vibes to those players who love ordinary video games. 

Note, if you do not know which type to choose to play, you can first try out demo versions of fruit slots to familiarize yourself with the main principles of gambling and then pick your future favourite game from the 3D category.

The Comparison of Free VS Real Money Gameplay

Now, let’s proceed with comparing free slots vs. cash online slots. 

Demo Online Slot:

  • You can play unlimited games without placing real-cash bets. It helps to learn the strategies and build some tactics which you can implement for real cash gameplay;
  • Free slots are available with most casinos that are offered for testing new developers’ products;
  • You avoid registration and making of deposits but simply click on Demo Play;
  • You can occasionally find welcome bonuses without making deposits. For instance, it can be free spins for you to test the game;
  • You can learn all the gambling terms within the online slot without placing bets.

Real Money Slots:

  • The main advantage of such games is that you can involve cash and occasionally land a huge win or jackpot if applicable to the picked machine;
  • All the slots come in paid versions, while some games are not available in demo versions;
  • You can participate in reel races with one casino if offered and compete against other real players.
Best Casinos for Real Money Slots
888
4.8 rating
Get 100% up to $200 888casino welcome bonus
T&Cs Apply
- New players only
- FP must be claimed within 48 hrs of receiving the email and expires after 14 days
- To withdraw bonus & related wins, wager 30 x (bonus amount) within 90 days
- Restrictions apply to deposit until wagering requirement fulfilled
- Wagering req. vary by game
- This offer may not be combined with any other offer
bet365
4.3 rating
Get off to a flying start on games at bet365 with a 100% New Player Bonus up to $500!
T&Cs Apply
- Your largest deposit/transfer (minimum $10) to Casino in the seven days prior to claiming the offer will qualify for a 100% matched bonus, up to a maximum of $500.
- You will need to wager the value of your qualifying deposit/transfer (capped at $500) and bonus 20 times on eligible games prior to making a withdrawal.
- Not all games contribute towards the wagering requirement.
- You will forfeit the bonus and any winnings generated from the bonus if you do not complete the wagering requirement within 60 days of claiming the offer.
- This offer is only available to new and eligible customers.
Betsson
4.3 rating
Get 100% up to $/€100 + 101 Free Spins at Betsson Casino
T&Cs Apply
- This offer is only valid for new players.
- As of January the 1st, 2020, players will need to verify their age before being able to register an account.
- You must be 18 years of age.
- The minimum deposit amount to claim this bonus is €10/10$. Maximum bonus amount is €100/ 100$.
- Deposits made with Neteller or Skrill do not qualify for this promotion.
- The deposit bonus amount must be wagered 35 times before withdrawal.
- The bonus can be wagered on Casino, Games or Scratch.
Booi
5.0 rating
200% booster bonus up to $300 for a deposit of $20+.
T&Cs Apply
- New customers only
- Starting 200% bonus is charged to the Bonus balance. The wagering coefficient is x30 of the deposit amount and bonus. You can wager the bonus within 5 days from the date of accrual.
- Free spins winnings go to the Bonus balance. The wagering coefficient is x40 of the winning amount. Use free spins within 7 days. You can wager the bonus within 30 days from the date of accrual.
- The final welcome bonus offer - 50% booster bonus up to 300 USD. It goes to the Bonus balance. The wagering coefficient is x30 of the deposit amount and bonus. You can wager the bonus within 10 days from the date of accrual.
- The bonus will be credited to your actual account immediately after wagering.
- If the bonus is not fully wagered within the required time - it is canceled.
Casumo
4.0 rating
Deposit Bonus of 100% up to €300 bonus on your first deposit + 20 Free Spins on “Book of Dead”
T&Cs Apply
- 20 Bonus Spins on “Book of Dead” and Deposit Bonus of 100% up to €300 bonus on your first deposit.
- To register an Account and claim this Offer You must be 18 year of age or over.
- This Offer is only available to new players registering a new Account.
- Maximum of €5 per spin or €0.50 per bet line is allowed.
- Contribution to Wagering Requirements varies per game.
- To activate your 20 Bonus Spins on “Book of Dead”, click on the Valuable corresponding to the Bonus Spins.
- No deposit required.
- 30 days expiry for Bonus Spins.
- You can only claim the Bonus Spins once.
Fortune Panda
4.3 rating
Claim 3 deposit bonuses up to 1.000€ plus additional 150 free spins
T&Cs Apply
- New users only.
- The first deposit gives you 100% up to 200€ + 50 Wager Free spins. The first deposit made with bitcoin or any other available cryptocurrency gives you 150% up to 300€.
- The second deposit gives you 50% up to 400€ + 50 Wager Free spins.
- The third deposit gives you 100% up to 400€ + 50 Wager Free spins.
- To claim any bonus from the Welcome Package, the user must make a minimum deposit of 20 EUR, 20 USD, 30 CAD, 2500 JPY 80 PEN, 18000 CLP, 100 BRL or an equivalent amount in mBTC.
- All games have a maximum betting limit of 4 EUR/USD/CAD, 40 NOK, 560 JPY, 3500CLP, 16 PEN or 20 BRL per game round/spin during the time that a bonus is active on the player's account.
- There are no wagering requirements set on free spins in Welcome Package.
- Maximum withdrawal from bonuses in Welcome Package is 5 times the received bonus amount.
- Fortune Panda reserves the rights to change or cancel this campaign at any time and for any reason.
- General Bonus Terms apply.
Golden Lady
4.3 rating
Get 655% Golden Welcome Bonus up to $3275
T&Cs Apply
- Offer only applies to new players.
- Bonus - 665%.
- Wagering requirements 30x.
- Max Bonus - $3325.
- Minimum deposit to qualify $25.
- Terms and Conditions apply.
Haz
4.3 rating
Wager Free 250% Bonus up to 1000€ + 125 Free Spins
T&Cs Apply
- The first deposit gives you 100% up to 300€ + 25 Wager Free spins on Ramses Treasure. The first deposit made with bitcoin or any other available cryptocurrency gives you 150% up to 300€.
- The second deposit gives you 50% up to 400€ + 65 Wager Free spins on Ramses Treasure.
- The third deposit gives you 100% up to 300€ + 35 Wager Free spins on Ramses Treasure.
- Free Spins are issued on game Ramses Treasure for accounts in EUR, USD, CAD, NZD and AED while for accounts in mBTC they are issued on game Caishen's Arrival.
- To claim any bonus from the Welcome Package, the user must make a minimum deposit of 20 EUR, 20 USD, 30 CAD, 40 NZD, 80 AED, 200 NOK or equivalent amount in mBTC.
- All games have a maximum betting limit of 4 EUR/USD/CAD/NZD or 40 NOK per game round/spin during the time that a bonus is active on the player's account.
- There are no wagering requirements set on free spins in Welcome Package.
- Maximum withdrawal from bonuses in Welcome Package is 5 times the received bonus amount.
- General Bonus Terms apply.

Popular Providers of Slots

As for the popular providers of one or another online slot, there are many. Starting from pioneers in the gambling industry, up to new providers who just entered the field with their online slots.

Thunderkick;

Microgaming;

ELK Studios;

NetEnt;

1X2;

Konami;

BetSoft;

ELK Studios;

PlayTech.

There are many more. By picking one gambling site, there is occasionally information about the available providers/developers with them. Otherwise, some casinos categorize the online slot options per provider, so you can find the one you seek.

How to Pick Slots?

Now, when you know the basics of online slots, you can learn the best strategies when picking the best game for your time-spending. Ensure to learn more about the following perks.

Bonuses – We have mentioned the available bonuses above, however, you can do the next thing. Find the casino, which offers bonuses for new players. You can claim a match for either your first deposit or just free spins to use with the slot when you register. If you do not want to fulfil any further wagering requirements, you can simply read about the slot’s bonuses. Seek bonus spins, a gamble, wild alongside scatter symbols, Megaways, jackpot slots among others.

RTP and Variance – The next factor to pay attention to is the RTP and variance. RTP or Return to Player involves the amount of cash a machine will pay players back – calculated over many used spins. It can be expressed in percentages. The best games come with an RTP higher than 91%.

As for the variance or else-called volatility, it is the calculation of how often your picked casino games will help you hit a lucrative combination.

Gameplay – Gameplay can be referred to as players’ feedback about the online slot. First off, you can rely on our team reviews found for one or another popular slot. We review the games throughout including information about their RTP, variance, bonus features, and casinos where the game is available.

Then, you can also find players’ feedback with designated platforms. For instance, why one or another slot should be picked, whom it fits the best – novice players or high-rollers or pros, etc. Yet, you should always remember that some feedback might be paid for writing. It concerns the competitors who launch the similar-theme game simultaneously and try to attract more players.

Mobile Compatibility – If you plan to access online slots only through your online device, ensure the picked slot will fit it. We said above that most modern casino games are built on HTML5 software, which makes pretty every product mobile-friendly. Yet, you can also seek particularly mobile casinos that have designated apps for playing on iOS and Android.

Do also check with the GambleChief site the casinos that are perfect for mobile gameplay.

Play Responsibly

Finally, what gameplays can be considered top-notch? The right consideration is responsible. Gambling is adult entertainment only which should be accessed by players of legal age and those who reside in countries where it is not prohibited. By entering one or another casino, you will be notified of your eligibility to play by overlooking the automatic pop-up saying – GAMBLING IS NOT ALLOWED IN YOUR AREA OF RESIDENCE.

Then, responsible online slot gaming is related to players who know when to stop playing. For instance, you should never classify it as a way of earning money. You can both win and risk all your money and lose them. For the best results, you should set up a certain limit of funds for each gameplay and never go over it. On some occasions, some players do also ask their friends/relatives to supervise their gambling, which helps to stop making deposits.

Finally, if you experience irritation, or you cannot stop depositing money, you should seek psychological help. Gaming addiction is a very serious topic that should be prevented because the treatment is hard. 

FAQ

This image has an empty alt attribute; its file name is corres1.png How to initiate slot game online?

All you have to do is to register with the preferred gambling site and deposit some cash if you want to play on money. After that, you click on Play, wager, and spin the wheels. If you want to access demo plays, no need to register but simply click Demo Play.

This image has an empty alt attribute; its file name is corres1.png Can online slot games bring winning?

Definitely, you can. By depositing funds to your personal account with the gambling site, you can start spinning the wheels with your real money. Yet, it does not mean that you will surely hit a winning combo and overplay everything you contributed before. Play responsibly, and know when to stop.

This image has an empty alt attribute; its file name is corres1.png How to boost chances for a big win with a slot machine online?

All the online games are powered with the RNG factor, which stands for the utmost unpredictability. Logically to assume, you cannot predict what every spin may bring you in terms of cash. The only path to win is to daily practice with demo versions, and build some strategies with winning combinations. Otherwise, you can also claim some bonuses that will prolong your bonus spin rounds, however, you should remember about the wager requirements further on.

This image has an empty alt attribute; its file name is corres1.png Are these online slots mobile-friendly?

Hardly every modern online slot is built on HTML5 software, which means that you can access it on most operating systems of your mobile gadgets including iOS and Android. 

This image has an empty alt attribute; its file name is corres1.png Can I receive free spin rounds?

Yes, a myriad of slot games are stuffed with bonus spins which vary on their available number. They are usually triggered when your scatters fall on the reels. Otherwise, you can find casinos that offer you a certain amount of bonus spins for registering, for depositing money, or for any other reasons determined by one or another gambling site.

This image has an empty alt attribute; its file name is corres1.png How do internet slots free spins work?

With scatters, your bonus spin rounds may be triggered. You can receive 5-100 spins that will spin the wheels without your participation in spinning the wheels. Yet, you should not think that such spins guaranteed bring you any lucrative outcomes. They are also random in terms of wins.

This image has an empty alt attribute; its file name is corres1.png How often jackpot casino slot games are triggered?

Jackpots are rare prizes for players. There were events when players managed to hit a jackpot with 1 spin reels of the wheel only. While there are also those who play daily and have no outcomes. If you pick a progressive jackpot slot, read the terms and conditions for that.

This image has an empty alt attribute; its file name is corres1.png Should I download slot games online to play them?

No, because you can directly play casino slot machines through your browser on the desktop or mobile phone. In case a casino has a designated app, you can download it.