25 Nov 2025
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Find your best casinoWMS Gaming, also known as just WMS, is a developer of casino games and other software solutions with a rich history. It has started its path in the brick-and-mortar industry, but nowadays players can enjoy WMS slots in a number of online casinos as well.
This list of WMS casinos contains all online casinos in our database that offer titles from this game developer in their game selection. Use it to pick the best option for you.
As we've already mentioned, the history of WMS Gaming dates back quite a few years. It launched as a subsidiary of WMS Industries, whose roots go all the way back to 1943 as a pinball machine manufacturer.
The division called Williams Gaming started as a producer of video lottery terminals in 1991 and entered the slot machine market in 1994. It has been producing casino games ever since, but it also focused on the manufacture of brick-and-mortar cabinets, selling or leasing them to casinos, etc.
The division's name changed from Williams Gaming to WMS Gaming in 1999, and it has been known under this name since then. Years later, the company adopted the name Williams Interactive to emphasize their focus on the global online gaming industry, including white label products and marketing platforms for real-money Williams Interactive casino sites.
However, in 2013, WMS Industries merged with Scientific Games, another big name in the gambling industry. At that point, WMS became a fully owned subsidiary of Scientific Games, which also acquired Barcrest, Shuffle Master and Bally Technologies, to create a major online casino game provider.
The first WMS slot machine was introduced in 1996 under the name Reel 'em In. Although it's not impressive by today's standards, we have to consider the fact that it was created over 20 years ago. This game marked a big milestone in the history and evolution of slot machines, as it was the first to have a second screen bonus round.
Overall, the game's bonus system is relatively complicated, which was unheard of at the time Reel 'em In was created. Many games didn't even have bonus features, and the bonus features that existed usually took the form of simple free spins. Nowadays, many modern games have complicated bonus systems, and it might be at least partly thanks to WMS' innovations.
Another great addition to the WMS game portfolio is its series of Monopoly-themed slot machines, which became very popular and played a major role in the company's success. It was the first in line of slots with licensed themes, which later included games like The Wizard of Oz, Star Trek, The Lord of the Rings, etc.
WMS also produced other popular titles such as Raging Rhino, Zeus, Kronos, Bruce Lee, Bier Haus, and many others.
The roots of WMS are in land-based gambling, but the company has adapted to the changing market and now operates its games in the online market, too. As games from WMS are known to players from brick-and-mortar casinos and give off a certain 'Las Vegas vibe', it comes as no surprise that they would enjoy playing them online.
WMS started offering online gambling services in 2010. Then, in 2012, it started focusing even more on online games and introduced a number of mobile gaming solutions. Ever since transferring the company's popular titles onto the internet, they can be enjoyed in many WMS online casinos.
Many popular titles from WMS have been around for some time now, and it's therefore understandable that their graphics, sounds, and animations are not at the level of modern slot machines from other game providers or newer games from WMS. That being said, they are not terrible by any means.
This might be seen as a disadvantage, but it also gives these games a certain 'feel' which makes them unique and highlights their origin. Some players enjoy it, some players don't. And if you are looking for WMS casinos, you probably belong to the first group, so we'll cut it short here.
If you want to enjoy games from WMS without spending real money, feel free to try them out in our free game section. Our library contains thousands of free casino games, so we've made sure to include titles by WMS for you to enjoy.
Choosing the best option out of the hundreds or even thousands of WMS online casinos available on the market is not an easy task. We wanted to make it easier for players, which is why we've gathered an independent casino review team and created a list of recommended casinos to help players find good casinos for them more quickly than if they were doing it by themselves.
The list of WMS casinos you can see on this page contains only gambling sites that have games from WMS Gaming in their game collections. That should make it easier for you if the availability of these games is one of your requirements.
You should be able to find the best WMS online casinos in the 'Recommended' tab. However, if you want to explore other options, feel free to switch to the 'All' tab to see all available casinos. The 'Big brands' tab contains only the biggest WMS sites, and you can find brand new casinos in the 'Newly opened' tab.
Regardless of the tab you are in, you can also use our advanced filters to narrow the selection down to match your preferences.
If you need more help with selecting the best online casino, we recommend you read our article about how to choose an online casino. It will help you understand what to look for and what to avoid when selecting a gambling site.
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An initiative we launched with the goal to create a global self-exclusion system, which will allow vulnerable players to block their access to all online gambling opportunities.
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