Best Online Slots Casinos in Thailand 2023 – Compare Top Casino Sites for New Online Slots

There is certainly no shortage of online slots available to Thai players. However, just where can the best online casino slots be found? Whether you are looking for video, progressive jackpot or Megaways slots, this page has everything that there is to know. As well as listing and reviewing our top online casinos for such games, we will explain how to play online slots. Starburst, Book of Dead and Thunderstruck ii are just some of the well known online slots machines available, with our recommended sites being nothing but entertaining, secure and trustworthy.

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How We Rank The Top Online Slots Casinos

There are a huge number of casino sites offering online slots Thailand. While this is generally considered to be positive, it can make it difficult for players to know where to place bets. Thankfully, our top ranked sites offer a host of benefits when it comes to online slots. When reviewing sites with online casino slots, our experts take the following factors into consideration:

  • Online Casino Slots – When it comes to online slots, there are a variety of reels, paylines, jackpots and themes on offer. Whether it be a branded slot such as Jurassic Park, a progressive slot like Mega Moolah or a standard video slot like Starburst, all players will find something to suit their needs. The best online casinos offer hundreds, sometimes thousands, of slots. So, whether you are looking for sports-themes online slots, slots with a high RTP or titles with plenty of bonuses, there really is something for everyone. With 1,000 online slots in total, BK8 offers excellent variety in this area.
  • Bonus Features – Part of the appeal of online slots is the bonus features accompanying them. Each spin can potentially result in a bonus. Features differ between online casino slots, enabling players to extend their playing time in many cases. On top of in-game bonuses, additional promotions are available with our recommended operators. Welcome bonuses, many of which can be used on slots machines online, are available on all sites, along with ongoing promos. With a welcome bonus worth as much as 4,000 THB, 1xBet has an excellent reputation here.
  • Software Providers – It is not the online casinos themselves that develop slots. Software providers invest time and money into creating entertaining games. Some brands have better reputations than others when it comes to online slots. For example, casino sites that deliver games from the likes of Microgaming, NetEnt and Play’n Go will likely appeal to players. So, be sure to check which software providers are linked to an online casino before signing up. Spin Casino delivers games from many top providers.
  • Mobile Slots – Online slots should be available on both desktop and mobile. Ideally, no additional downloads will be required either. Whether you are operating via your casino’s mobile website or dedicated app, slots are available 24/7. With an excellent mobile app, available on iOS and Android devices, 888Casino scores highly.

The Top 5 Sites for Online Slots Reviewed

Below you’ll find our list of the best online casinos for slot games in Thailand.

1. HUC99: 300% Deposit Bonus

Featuring slots from an impressive 25 of the top software providers in Asia and globally HUC99 is top of the pile of the best online slots sites in Thailand. Some of the top games featured on the site are Golden Empire, Roma, and Lucky Neko. Whether you are playing on a computer or on their app on a mobile device you will find a smooth and enjoyable gambling experience.  As far as bonuses go at the best slots casinos in Thailand HUC99 is also leading the way. New players get a 300% welcome bonus and existing customers are rewarded with regular deposit bonuses and a superb VIP program.

HUC99 casino

What We Like:

  • Slots provided by 25 game developers
  • Excellent welcome bonus
  • Automatic deposit and withdrawal system
  • User-friendly website and app
  • Superb customer service

What We Don’t:

  • Limited payment options

2. BK8 Casino: 100% Welcome Bonus Up To THB 3,000

BK8 is the leading Asian online gambling operator around today. Launched in 2014, the BK8 online casino features hundreds of slots. Players will be pleased to hear that popular slots including Starburst, Book of Dead, Rainbow Riches, Gonzo’s Quest and Jurassic Park are available here, along with other titles from Microgaming, NetEnt and other software providers. Payments can be made in Thai baht, with local payment methods also being accepted. 24/7 customer service is available, while the BK8 Casino app can be downloaded for free on both iOS and Android devices.

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What we like:

  • Hundreds of online slots available
  • Top software providers
  • Local payment methods accepted
  • Progressive jackpot slots

What we don’t:

  • Website a little outdated


2. 22Bet Casino: €/$ 300 Welcome Bonus

22Bet is another international casino operator that is available to players in Thailand. Again, hundreds of online slots are available, including Starburst, Book of Dead, Who Wants to be a Millionaire and Leprechaun Riches. It is easy to find your preferred titles at 22Bet, with their casino site being both modern and efficient. A mobile app is once again available, featuring video, progressive jackpot and Megaways slots. With the casino delivering when it comes to customer service, payments and bonuses too, there is little not to like at 22Bet.

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What we like:

  • Large number of video slots
  • 24/7 customer service
  • iOS & Android mobile apps
  • Exclusive slots available

What we don’t:

  • Payouts can be slow


3. 1xBet: 4,000 THB Welcome Bonus

Having been around since 2007, 1xBet is likely to be a name many in Thailand are familiar with already. With a huge library of casino games, players can look forward to taking advantage of hundreds of slots. Software providers including Play’n GO, NetEnt and Microgaming help to deliver entertaining and potentially rewarding slots. 1xBet is known for its promotions too, with bonuses and rewards being available daily to existing customers. Overall, 1xBet Casino is another top option for fans of online slots Thailand.

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What we like:

  • Slots from leading software providers
  • Generous VIP program
  • Free mobile app available
  • Fast payouts

What we don’t:

  • Website features too many images


4. 888Casino: €/$ 200 Welcome Bonus

888Casino has an excellent reputation when it comes to slots. As well as titles from the likes of Playtech, NetEnt, Play’n GO and others, 888 offers exclusive slots. Examples include Mad Max Fury Road, The Goldiator, Smashing Pumpkins and Treasure Fair, which come from the casino’s own in-house development team. It is easy to locate your favorite slots, with a useful filter feature separating titles of between 1-25 paylines and 25+ paylines. With over 1,000 slots in total, there is certainly no shortage of variety at 888Casino. 888 also features a rewarding VIP program, along with different offers for new players.

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What we like:

  • Exclusive slots available
  • 1,000+ slots in total
  • VIP program
  • 24/7 customer service

What we don’t:

  • Low maximum withdrawal limits


5. Spin Casino: 40,000 THB Welcome Bonus

Spin Casino has vast experience within the industry. Formerly known as Spin Palace, the operator offers games from Microgaming and NetEnt, including hundreds of slots. Popular titles include Thunderstruck ii, 9 Pots of Gold, Wheel of Wishes and Ivory Citadel. Progressive jackpot, classic and Megaways slots are available, with the casino being licensed by reputable gambling authorities. A huge welcome bonus awaits new players, while a VIP program delivers regular rewards to existing customers.

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What we like:

  • Modern online casino
  • Good number of slots
  • Microgaming & NetEnt
  • Progressive slots available

What we don’t:

  • Total number of slots fewer than other casinos


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Why Are Online Slots Popular?

Online casino sites today are dominated by slots. While table, live dealer and instant win titles are also generally available, online slots attract the greatest interest from most players. Variety is undoubtedly one of the biggest selling points. There is something for everyone, with online slots themes including history, sport, music and movies/TV.

Meanwhile, players will win regularly with slots. However, it is worth noting that a win should mean a return greater than your stake. On top of this, slots are hugely entertaining, while they come with large jackpots in many cases. This is especially true of progressive slots, where the jackpot increases with each bet placed. While online slots are nothing new, they continue to progress, keeping players satisfied in the process.

Different Types of Online Slots

A variety of slots are available at online casino sites today. It is worth understanding the different options before getting started. Let’s take a closer look at the most popular types of slots available to players in Thailand:

3 Reel Slots

Dating back to the late 1800’s, 3-reel slots are the classic option. While the number of paylines and jackpot differs between online slots, 3-reel titles are seen as the ideal option for beginners. Such games pay out more often than other slots, with popular titles being Lightning Joker, 7s on Fire and Mega Joker. When it comes to 3-reel slots, there are few better sites than 22Bet Casino.

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Video Slots

Video slots are the most common, with most online casinos offering hundreds of such games. Wings or Ra, Street Fighter and Starburst are among the most popular video slots. Video slots normally have 5 reels, as well as multiple paylines and bonus features. Having first been introduced in the 1970’s, modern video slots can now be found at 1xBet, as well as many other online casinos.

Starburst Online Slots

Avalanche Slots

Also known as Cascading slots, Avalanche titles first hit the web back in 2015. Gonzo’s Quest from NetEnt continues to be the best known title in this area. Reels are replaced by falling blocks, with this type of gameplay having now been replicated by many software providers. For Avalanche slots, be sure to check out BK8 Casino.

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Jackpot Slots

Progressive jackpot slots actually made their name at land-based casinos first. Here, a proportion of each bet placed will contribute towards the total jackpot. Lucky players can therefore win huge amounts with just a single spin. The progressive jackpot slot, Mega Moolah, from NetEnt, holds the record for the biggest ever win, at over $19 million. This game, as well as others, can be found at Spin Casino.

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Megaways Slots

This type of slot began to make an impression in 2016, following the release of Bonanza from Big Time Gaming. Coming with six reels and different symbols, there are as many as 117,649 paylines in some cases. With a good number of Megaways slots, Royal Vegas Casino should appeal to players in Thailand.

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How To Play Online Slots

When viewing online slots for the first time, it can take a while to get your head around exactly what is happening on the screen. Based on the popular video slot Starburst from NetEnt, the following is a breakdown of how to go about playing slots machines online:

Start by looking at the number of reels. With Starburst, there are 5 reels to speak of, along with 10 paylines. While the majority of slots pay left to right, Starburst actually pays right to left, making it slightly unusual. Players must then set their bet amount, which will likely start at around $0.10. Having placed your bet, it is time to watch the reels as they spin.

In the event of the player landing three 7’s in a row across two paylines, it will become clear as to how much has been won. Remember that a “win” does not necessarily mean that your stake will be returned.

New Online Slots Sites in Thailand

New online casinos are being introduced at a rapid rate. Established with the goal of attracting players, such sites often come with a host of appealing features. Whether it be a generous welcome bonus, exclusive slots or a mobile app, new online slots sites are providing significant competition to long-standing platforms. For players in Thailand, the following are among the new casino sites offering slots:

The Top RTP Online Slots

As we have already touched upon, Return to Player (RTP) is very important when it comes to online slots. This figure centers around the number of times in which a slot will pay out over a number of spins. Most slots sit at between 96-98%. This means that they pay out $96-$98 for every $100 bet. Unfortunately, the volatility of slots means that this is only on average. While there are no guarantees, the following games come with the best RTP’s:

Book of 99 (99%) – Relax Gaming

Mega Joker (99%) – NetEnt

Jackpot 6000 (98.8%) – NetEnt

1429 Unchartered Seas (98.6%) – Thunderkick

The Catfather (98.10%) – Pragmatic Play

Rainbow Riches Pick N Mix (98%) – Barcrest

Starmania (97.87%)  -NextGen

White Rabbit Megaways (97.7%) – Big Time Gaming

Reel Gems (97.49%) – Microgaming

Big Bad Wolf (97.34%) – Quickspin

Different Online Slot Providers in Thailand

Online slots are developed by hundreds of software providers. However, there are certainly some that stand out from the crowd. So, when looking to play slots in Thailand, be sure to look out for these software providers, who are known for their entertainment and quality:


Best Online Slots Casinos in Thailand [cur_year] - Compare Top Casino Sites for New Online SlotsLaunched in 1994, Microgaming is the longest-standing and best-known gambling software provider in the world. Based in the UK, Microgaming develops a host of different casino games, including slots, table and even live dealer titles. When it comes to slots, Microgaming is known for its progressive jackpot options. Microgaming is the brains behind slots such as Thunderstruck ii, Immortal Romance and Avalon.


Best Online Slots Casinos in Thailand [cur_year] - Compare Top Casino Sites for New Online SlotsNetEnt is another of the world’s leading software providers, with the brand specializing in online slots. They are perhaps best known for creating Gonzo’s Quest back in 2015, with other popular NetEnt slots including Starburst and Finn’s Swirly Spin.

Play’n GO

Best Online Slots Casinos in Thailand [cur_year] - Compare Top Casino Sites for New Online SlotsSwedish provider Play’n GO has been in operation since 2005. Having recently aimed to develop a new online slot each and every week, it is little wonder that Play’n GO is a well-known name within the industry. If it is classic 3-reel slots you are after, Play’n GO could well be for you. Slots such as Riddle Reels, Diamond Vortex and Rally 4 Riches are among their most popular.

Big Time Gaming

Best Online Slots Casinos in Thailand [cur_year] - Compare Top Casino Sites for New Online SlotsBest-known for its Megaways slots, Big Time Gaming also offers a host of high RTP titles. Diamond Fruits, Who Wants to be a Millionaire, Wheel of Fortune and Pirate Pays are among their other popular slots. BTG dates back to 2011, with the company having been acquired by Evolution in 2021.

The Best Online Slot Bonuses and Free Spins

When playing slots online, bonuses and other promotions will be available along the way. It is the welcome offer which generally attracts the greatest amount of interest. Many offers feature both bonuses and free spins, which can then be used on slots. Winnings made from bonuses and free spins will likely have to be wagered a specific number of times before payouts can be processed. Meanwhile, additional terms and conditions are also applicable, including payment restrictions, expiry and eligible games. Let’s now take a closer look at the offers awaiting players in Thailand:

Free Spins

Free spins can be collected by both new and existing players. When signing up with an online casino for the first time, it could be that an opening deposit will be greeted by a set number of free spins. Spins are likely to be available on selected titles, whether they be from a specific software provider or only video slots. For example, the welcome offer at 1xBet Casino comes with 150 free spins.

Matched Deposit Bonus

The most common type of casino welcome offer is a matched deposit bonus. As the name suggests, players will see their opening deposit matched, normally 100%. Simply put, the casino will double your opening balance. When meeting the wagering requirements of a matched deposit bonus, most casinos will state that slots are eligible. However, it is always worth reading the small print first. BK8 Casino offers a 100% matched deposit bonus worth up to THB 3,000.

No Deposit Bonus

Unfortunately, no deposit bonuses are not as common as they once were. When available, players will receive a small bonus simply for signing up for the first time. No financial investment is required to qualify. None of our recommended online casinos currently offers such a promotion to new or existing customers.

Best Casino Apps For Playing Online Slots on Mobile

For mobile players, casino apps make the process of betting on online slots all the more efficient. However, apps are not available with all operators. This is due to the cost of developing such platforms. Casino apps are popular because of their speed, ease of use and features. For example, many come with touch/face ID login, making accessing online slots even quicker. For players in Thailand, the following apps are worth downloading:

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Our Top 5 Tips for Playing Online Slots

When playing online slots, there are a number of factors to take into consideration. While there are no guarantees for success, the following tips will give players the best possible chance of coming out on top over online casinos:

  1. Check the RTP – RTP stands for Return to Player. This is the number of times in which a slot will pay out per 100 spins. For example, a game may come with an RTP of 98%.. This means that, on average, players will win $98 for every $100 bet. So, before placing bets on online slots, make sure that you know what the RTP is.
  2. Learn the Rules – Online slots are generally very simple to get to grips with. However, it is important that players learn the rules and gameplay before betting real money. Most titles come with a guide, while it is worth playing demo modes when available too.
  3. Know When to Quit – The most successful gamblers know when to take a break from betting. Given the simplicity of online slots, it can be easy to forget how much you have bet or how much time you have spent doing so.
  4. Take Advantage of Bonuses – When playing online slots machines, bonus features can be utilized in most cases. Such bonuses can be extremely useful in terms of increasing the number of spins available.
  5. Entertainment is Key – Remember that online slots are for entertainment first and foremost. Of course, players will hope to make money. However, such games should not be viewed as a method of paying the bills!

Are Online Slots Legal in Thailand?

Gambling is illegal in Thailand, which includes online slots. However, many get around laws in this area by signing up with offshore operators, who are licensed by authorities in different regions. The Gambling Act of 1935 remains in place in Thailand today, with the Money Laundering Act having also been established in 1999, making laws in this area even stricter. It is important that players in Thailand understand the laws surrounding gambling, before making their own decision as to work around them.

Final Word on Online Slots in Thailand

Online slots remain hugely popular, with new titles being introduced on a regular basis. It is easy to understand how to win online slots, which is part of their appeal. A host of different types of slots are available, ranging in terms of their reels, paylines, bonus features and themes. Whether it be the branded Game of Thrones slot from Microgaming, Gonzo’s Quest from NetEnt or Book of Dead from Play’n GO, our top ranked casinos have all bases covered. So, be sure to check out our recommended online slots Thailand sites for yourself. Remember that you can claim a welcome bonus upon registering, which can then be used on your favorite online slots.

Our Recommended Online Casino for Slots in Thailand
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Thailand Online Casino Slots FAQ’s

Can I claim bonuses when playing casino slots online?

Are online slots Thailand legal?

Are guides available on how to play online slots?

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Which are the leading software providers for online slots machines?

James Fuller is a sports journalist based in Bath, England. Specializing in sports and iGaming, he has worked for a variety of leading online publications in the past, including MailOnline and Coral. James also has a degree in Sport & Leisure Management from Sheffield Hallam University. He also has a certificate in Football Communication & Digital Media from the Sports Business Institute in Barcelona, which James has used to help brands enhace their following and reputation on online platforms. With almost a decade of experience in sports writing to his name, James has received outstanding feedback from existing and former clients. He also has a certificate in Football Communication & Digital Media from the Sports Business Institute in Barcelona, which James has used to help brands enhace their following and reputation on online platforms. With almost a decade of experience in sports writing to his name, James has received outstanding feedback from existing and former clients.

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