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WMS is one of the longest-standing casino game manufacturers in the world. In 2013, it was acquired by Scientific Games Corporation, an American-based gambling juggernaut.

All of WMS’s games are highly regarded for their top-quality graphics, sound effects, and innovative features. The company specialises in slots, which is where the lion’s share of its revenue comes from. Still, its gaming portfolio also encompasses a solid selection of video poker releases developed on the brand’s proprietary software.  

WMS has a strong presence in the iGaming industry. The esteemed game developer supplies its titles to a wide array of gambling operators, including a number of mobile casinos. Most of its games are developed in HTML5 technology, which makes them compatible with all kinds of mobile devices and operating systems.

Best WMS Online Casinos

As we’ve briefly mentioned earlier, there is a whole slew of WMS-powered online casinos out there. The company distributes its titles in over 10 legal markets across the globe, including Canada, the US, Australia, and the UK.

As part of the SG Digital brand, WMS’s software has been verified by the industry’s most reputed regulatory bodies, such as the United Kingdom Gambling Commission and the Alderney Gaming Commission. Furthermore, WMS is approved and certified by TST, a renowned testing agency that performs audits on Random Number Generators. All of this just goes to show that WMS casinos are perfectly safe and fair. Our internal team of casino pundits has tracked down the best WMS casinos in the UK, so feel free to check them out below.

About WMS

WMS or Williams Interactive traces its origins back to 1943, when the brand started out as a subsidiary of WMS Industries, a manufacturer of video arcade games and pinball machines. In 1991, WMS launched a new wing, Williams Gaming, dedicated to producing lottery and gaming services for the US market.

A few years later, in 1996, WMS debuted in the land-based slots production scene with its flagship product, Reel’ em In video slot machine. Since the initial release, the company has recorded an upward trend and continuous growth.

WMS branched out to the online gambling realm in 2008, and in 2010, the developer released its first online casino content. In 2013, WMS Gaming and WMS Industries became subsidiaries of Scientific Games and began operating under the SG Digital Brand, alongside Bally, Shuffle Master, and NYX Gaming Group.

After merging with SG, WMS took over the omnichannel integration system from its parent company. All releases are distributed simultaneously across all delivery channels — land-based, desktop, mobile, and social gaming solutions.

WMS Gaming Program

WMS had made a name for itself in the slots production business. Its library comprises over 100 titles, and the company’s biggest forte is its collection of themed slots. These include iconic franchises such as the Monopoly-themedseries, Star Trek, The Lord of the Rings, The Wizard of Oz, Bruce Lee, and the revolutionary Reel’em In!

The brand’s widespread popularity in land-based casino circles has translated seamlessly to the iGaming realm. Many online casino-goers are drawn to their all-time hits that dominated the brick-and-mortar casino floors for decades, including Hearts of Venice and the Zeus Series.

The developer’s team at WMS has been able to stay on top of the emerging gaming trends. For instance, in 2020, the producer debuted its first-ever slot that utilises the Megaways payout mechanic — Montezuma Megaways.

All of WMS’s releases employ Instant Play technology, which allows the users to load and play the games without downloading any kind of app, client, plug-in, or software in general.

Classic Slots

The very mention of classic slots evokes a strong sense of nostalgia for old-school players. With its adaptations of timeless classics like AfterShock and 2x Wild & Crazy, WMS has capitalised off the unyielding popularity of these titles, both of which are Vegas-themed slots with traditional bars symbols and straightforward gameplay.


Every slot release that comes out of the WMS factory is hooked to a progressive jackpot pool. WMS progressives offer players a chance to win mind-boggling sums with a single spin regardless of their bet size. Although the prizes don’t accumulate to astronomic, multi-million sums, like with Microgaming progressives, they can still make your spinning sessions worthwhile.

Some of the most popular titles from this category include:

  • Egyptian Riches
  • Willy Wonka and the Chocolate Factory
  • Sceptres of Power
  • Snow Leopard

Video Slots

Video slots make up the majority of WMS’s gaming catalogue. The provider’s video slots incorporate unique themes, rewarding bonus features, interactive gameplay elements, and varying payout structures. Crowning jewels from this niche include Spartacus Gladiator of Rome and Raging Rhino. These video slots are packed with engaging extras like free spins, wilds, scatters, and multipliers.

G Series

WMS has gone mainstream with its special G+ series of slot machines, which includes a number of highly volatile releases with fantastic payout potential, often exceeding 5,000x the stake. Fan favourites like Jungle Wind, Brazilian Beauty, and Zeus appeal to both casual players and high rollers due to their flexible betting limits and amazing payout possibilities.

My Poker Series

In addition to the categories of slots we’ve mentioned above, WMS’s gaming lineup features a few video poker instalments that are a part of the My Poker series. Bonus Poker®, Double Bonus Poker®, and Double Double Bonus Poker® are all highly customisable video poker games that offer enhanced personalisation capabilities.

Users can set up thousands of different configurations based on their personal preferences —  sort their cards by suit or high/low, change the background colour palette, and adjust the draw and deal speed.

Final Thoughts

WMS’s reputation and resume speak for themselves. The company has proven that it can adapt to the changing market and has grown in leaps and bounds since its breakthrough. It comes up strong in the slots department, as the titles it offers are visually appealing, engaging, and potentially highly lucrative.

If you want to try out the finest WMS releases, we can point you in the right direction. Every site on our exclusive list boasts an extensive selection of WMS slots that you can play either in demo mode or for real money.