Slot games have different line numbers, but 20 line slots offer the best price/performance ratio. This is because they still have enough lines to boost your chances of winning and do not require a fortune to spin the reels: You can play with a humble bankroll and win big. We believe that every player out there must try 20 line slots at least once and that’s why we prepared this guide. Below, we are talking about everything you need to know about slot games with 20 lines and list the best online casinos to play them right now. Whether you are interested in 20 lines slots free online or want to try your luck for real, do not start playing before reading this guide!

Best Online Casinos To Play 20 Line Slots

Whether you want to play free 20 line slots or try your chance with real money, these are the best online casinos for the job. We checked them all according to our rating based system and these are the ones with the highest points. They have the most popular slot machines and the best bonuses for new and current members.

Wild Casino
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Wild casino offers two different welcome bonuses. If you are using cryptocurrencies, make five deposits with them and use CRYPTO300 & CRYPTO150 bonus codes. These deposits will be matched up to 9.000 USD. If you are using Fiat currencies, make five deposits, and use the WILD250 & WILD100 bonus codes. This time, they will be matched up to 5.000 USD. No matter which one you choose, you must deposit at least 20 USD to trigger the bonus. Pick one and enjoy your free bankroll!
Cobra Casino
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New members can start playing at Cobra casino with an amazing welcome bonus that awards 1.050 EUR + 300 free spins. In order to get this offer, you just need to make three deposits and use these bonus codes respectively: COBRA100, COBRA50, and COBRA125. The wagering rate of this offer is only 40x. After getting your initial gambling capital, you can start taking advantage of other bonuses too. It is possible to win up to 100 free spins every Thursday and a special high roller reload bonus (up to 500 EUR) every month.
Casino 360
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If you want to start playing with a free 1.080 CAD/AUD bankroll, you need to join Casino 360 and make three deposits. This welcome bonus targets players from Canada and Australia: Other online casinos usually neglect these countries but Casino 360 offers a special bonus to them! You must deposit at least 10 CAD/AUD to trigger the bonus each and every time you make a deposit. All of them will be matched by 100% and up to 360 CAD/AUD (1.080 CAD/AUD in total). The wagering rate of this offer is just 50x: Claim it today!
Casino Z
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Casino Z offers multiple bonuses to new and current members. As a new member, you can take advantage of the 100% welcome bonus and win up to 1.500 EUR + 150 free spins with your first four deposits. The minimum limits are 10 EUR for the first and 15 EUR for the rest of the deposits. Next, there is a special 50% match bonus for your 10th deposit: You can win up to 300 EUR and 100 free spins with that one! You can also join daily slot tournaments and win more than 60.000 EUR every week: Casino Z is really full of opportunities for all players.

What Is A 20 Line Slot Machine?

Simply put, these are slot machines that include 20 paylines. Since 3 reel slots (classic slot machines) usually have 10 lines maximum, it is safe to say that slots with 20 lines are almost always 5 reel slots (video slot games). In other words, they offer better visuals, bonus features, and more chances to win. Pharaoh’s Fortune slot machine by IGT, for example, is a video slot game with 20 lines. In order to qualify for a payout, you need to land at least 2 same symbols side by side on any of these lines.

We can say that 20 lines slots offer the best price/performance ratio: Their bet amounts are slightly higher than average, but they offer more chances to win in return. We are explaining how this works below.

The Importance Of 20 Line Slots: How Do Paylines Work?

Other than a couple of exceptions, every slot game out there is based on the payline concept. We explained paylines are in our online slots guide but here is the summary of that info: These are actual lines that connect both sides of the reels. They can be straight, cross, in a zigzag shape – depends on the game and the reels. They are important because your goal is to land the same symbols on them, this is the only way of winning in slot machines. And, as can be guessed, the more lines you have, the more chances you will get to win.

So, if the game has more than 20 lines, the winning chances will be even higher, right? This is true in theory. For example, the Valkyrie slot machine by ELK Studios contains 1.024 lines in total. Or, we can simply use Slots Angels online by Betsoft as an example: It has 30 lines. Both these games will offer higher winning chances than 20 line slots. However, they will also need higher bet amounts. See, each spin costs a certain amount of money and this is determined by the number of paylines. You place a bet per line, not per spin. If the minimum bet value per line is 0.10 coin, for example, this means:

  • The cost of each spin will be 2 coins in a 20-line slot game (0.10 x 20)
  • The cost of each spin will be 3 coins in a 30-line slot game (0.10 x 30)
  • The cost of each spin will be 102.40 coins in a 1.024-line slot game (0.10 x 1.024)

In other words, you will also need to increase your bankroll too: Yes, more lines offer more chances but they also cost much more. And that’s why 20 line slots offer the best price/performance ratio: 20 lines are still big enough to win frequently, but they are also low enough that you don’t have to spend a fortune with every spin. If you are going to play video slot machines, you should definitely prefer 20 line slots for this reason.

Common Features Of 20 Paylines Slots

As explained above, 20 line slots are almost always video slot games, so you can expect to see the following features:

Free Spins
Free spins are the most common bonus feature. They are usually triggered by placing three scatter symbols anywhere on the reels. As the name implies, you win a couple of spins for free when this happens, and you get to keep the total winnings at the end of the round. The number of free spins you can get is different in each game: Sometimes you get 10, sometimes 100. In any case, they are free: Enjoy.
Bonus Rounds
Free spins are not the only bonus feature you can take advantage of. You can play a pick-me game and win multiple prizes, such as cash awards and additional free spins. Or, you can try your luck in a risk game and try to guess the color/suit of a closed playing card. If you are lucky enough, you can easily double the payout amount. There are lots of bonus rounds you can use – it all depends on how creative the developer is.
Fixed/Progressive Jackpots
Not all 20 line slots have a progressive jackpot award of course, but most of them at least offer a fixed jackpot prize. Each spin offers a new chance to win big.
Advanced Graphics Quality
Compared to classic slot games, video slots have amazing visuals and animations. In fact, some of them are called 3D slots – they look that good.
Mobile Compatibility
The majority of video slots are compatible with all mobile devices and require no download to play. You can simply click the “play now” button: The game will launch on your browser in mere seconds.

By the way, if you can’t decide which 20 line slots to start with, we recommend you take a look at our best penny slot machines to play guide: We have lots of slots recommended.

The Ideal Bet Amount To Play 20 Line Slots

To tell the truth, there is no single “magic number” that represents the most ideal bet amount in 20 line slots. Each game is unique and this means the ideal bet amount is different for each of them. You must think about lots of things while trying to figure out the ideal value, such as the RTP return, big win amount, symbol payouts, even the slot rating. Here are our recommendations:

You should check the paytable first. This is because of a simple reason: If the paytable is fixed, you can play with the minimum bet amount and still win satisfying prizes. If it is dynamic, however, playing with the maximum bet amount is somehow mandatory in order to unlock the highest payouts.

So, what does this mean? We actually explained this in detail in our online casino games guide but here is the short version: If the symbol payouts change (increase/decrease) when you change the bet amount, the paytable is dynamic. Simply put, they start to pay better when you increase the bet value. So, playing with the maximum bet amount is the only way of getting the highest payouts.

Lucky Charm slots series by Novomatic, for example, have dynamic paytables. To give you an idea, the wild symbol pays only 9.000 coins when played with 10 coins per spin (minimum bet). But if you start to play with 1.000 coins per spin (maximum bet) the same symbol starts to pay 900.000 coins.

There are other things to consider too. For example, the paytable may be fixed but there can be multiplier payouts. This means the final payout will be the multiplication of the symbol payout and the total bet amount. As can be guessed, this requires playing with the maximum bet value too. And, sometimes, there can be a fixed or progressive jackpot: Such games offer better chances to win the jackpot if you play with higher bet amounts. If this is the case, you need to pick the maximum value. In short, it is impossible to give an exact figure for the ideal bet amount: You need to decide according to your bankroll and the features of 20 lines slots. As always, however, make sure to play responsibly.

What Do 20 Line Slots Really Offer?

In order to give you a better idea about whether playing 20-line slot machines with bonus games will be a good idea, here is a short pros/cons table. In general, we can say that the cons of 20 line slots are not that important and they simply offer too many pros that you should not miss out.

PROS
  • The ideal price/cost ratio
  • Lots of bonuses due to the fact that all 20 line slots are video slot machines
  • Satisfying payout rates (assuming that you pick the right games)
  • More chances to win
CONS
  • The bet values will be slightly higher
  • May seem complex to beginners

Play Free 20 Line Slots Or Try Your Luck For Real: The Choice Is Yours!

These are everything you need to know about 20 line slots: It is time to make some practice. Pick one of our recommended casino sites, sign up, and start spinning some reels today: You can even join a slot tournament and win much more! There are hundreds of slots with 20 paylines you can play and each one offers a big win potential. Try them for free first and continue playing with real money: That’s the best way to play 20 line slots. We wish you good luck – may the reels always spin in your favor!