WMS online casinos
WMS, also known as Williams Interactive, is one of the largest slot machine developers in the world, with a great reputation to match. With 70+ years experience in the industry, WMS is known for its wealth of knowledge and innovation, producing some of the most popular slot games to date including Bier Haus, Spartacus, Raging Rhinos and Zeus: God of Thunder. Find out the latest releases, and what makes WMS tick in our full WMS software review below.
Best WMS online casinos in Canada 2025
- 1MafiaCasinoGovernment of Anjouan | Since 2025Welcome offer
100% up to $750 + 200 Free Spins + 1 Bonus Crab
Payout Rate98.49%Games: 15,000+
Win rate: 98.49%
Payout speed: 0-1 days
Pros and cons
Industry-leading RTP
Fast, fuss-free withdrawals
Higher-than-average wagering requirements
Payment methods
Bonus offer
Wagering requirements40xValid for10 daysCasino players activity
Active Players: 13046.9%Available Games Type
SlotsRouletteBaccaratBlackjackLive games+4Available Games Titles
- 2SpinbaraGovernment of Anjouan | Since 2025Welcome offer
300% up to $5,000 + 350 Free Spins + 1 Claw Machine
Payout Rate98.23%Games: 21,000+
Win rate: 98.23%
Payout speed: 1-3 days
Pros and cons
Generous 300% match welcome bonuses is one of the highest on our toplist
Whopping 21,000 casino games
Up to three-day wait for casino withdrawals
Payment methods
Exclusive bonus offer!
Wagering requirements40xValid for10 daysCasino players activity
Active Players: 12785.6%Available Games Type
SlotsBlackjackRouletteBaccaratLive games+3Available Games Titles
- Welcome offer
100% up to $5,000 + 400 Free spins
Payout Rate98.37%Games: 14,000+
Win rate: 98.37%
Payout speed: 0-1 days
Pros and cons
Over 14,000 different titles
Lucrative welcome bonus
High wagering requirement for bonuses
Payment methods
Bonus offer
Wagering requirements40xValid for7 daysCasino players activity
Active Players: 14973.7%Available Games Type
SlotsBlackjackRouletteBaccaratVideo poker+1Available Games Titles
- Welcome offer
Up to $8,000 + 500 Free spins
Payout Rate98.20%Games: 10,000
Win rate: 98.20%
Payout speed: 1-2 days
Pros and cons
Over 10,000 different games
Almost all withdrawals are processed instantly
High wagering requirements
Payment methods
+6
Bonus offer
Wagering requirements40xValid for7 daysCasino players activity
Active Players: 14045.3%Available Games Type
SlotsBlackjackRouletteBaccaratLive games+2Available Games Titles
- Welcome offer
Exclusive bonus: 200% up to $500 + 200 free spins
Payout Rate97.13%Games: 6,000
Win rate: 97.13%
Payout speed: 1-3 days
Pros and cons
Numerous payment methods
User-friendly site
Demo games are not available when you are logged in
Payment methods
Exclusive bonus offer!
Wagering requirements35xCasino players activity
Active Players: 15222.4%Available Games Type
SlotsLive casinoProgressive jackpotsRouletteBlackjackAvailable Games Titles
- Welcome offer
$1,800 + 300 free chances to win $1,000,000
Payout Rate98.21%Games: 950+
Win rate: 98.21%
Payout speed: 1-3 days
Pros and cons
Daily deals & bonus spins for existing players
Generous deposit match bonus
Welcome bonus is only beneficial for slot players
Payment methods
+2
Exclusive bonus offer!
Wagering requirements35xValid for60 daysCasino players activity
Active Players: 15301.7%Available Games Type
SlotsLive casinoBlackjackRouletteCraps+4Available Games Titles
- Welcome offer
100% up to $10,000 + 300 Free Spins
Payout Rate97.85%Games: 9,000+
Win rate: 97.85%
Payout speed: 1-3 days
Pros and cons
Massive games selection
Low minimum depsoit
Few withdrawal methods
Payment methods
- +3
Exclusive bonus offer!
Wagering requirements35xValid for10 daysCasino players activity
Active Players: 14546.4%Available Games Type
SlotsBlackjackRouletteBaccaratLive games+5Available Games Titles
- 8KingmakerCuraçao Gambling Commission | Since 2023Welcome offer
100% up to $750 + 50 chances to win $1,000,000
Payout Rate96.34%Games: 6,000+
Win rate: 96.34%
Payout speed: 3-5 days
Payment methods
Bonus offer
Wagering requirements35xValid for30 daysCasino players activity
Active Players: 15935.8%Available Games Type
SlotsBlackjackRouletteBaccaratVideo poker+6Available Games Titles
- Welcome offer
$1,000 match bonus + 150 Free spins
Payout Rate97.96%Games: 700+
Win rate: 97.96%
Payout speed: 1-3 days
Pros and cons
Huge selection of slot games
Lucrative welcome bonus
High 70x bonus wagering requirements
Payment methods
Bonus offer
Wagering requirements35xValid for60 daysCasino players activity
Active Players: 14482.6%Available Games Type
SlotsRouletteBaccaratBlackjackLive casino+1Available Games Titles
- Welcome offer
200% up to $2,000 + 50 Free Spins
Payout Rate96.89%Games: 10,000+
Win rate: 96.89%
Payout speed: 1-3 days
Pros and cons
Over 10,000 casino games
Accepts traditional and cryptocurrency payments
No dedicated casino app
Payment methods
Bonus offer
Wagering requirements48xValid for7 daysCasino players activity
Active Players: 15643.6%Available Games Type
SlotsTable gamesLive dealerAvailable Games Titles
Play free WMS slot machine games
About WMS
Founded in 1943, WMS first launched its online platform in 1994, moving from pinball and arcade machines to specializing in online slots. In 2013 it merged with leading provider SG Gaming and turned its attention to popular themed slots, creating some of the most iconic games, including Top Gun, The Wizard of Oz, and Monopoly.
Most popular WMS slot games
Many online slots developed by WMS have amazingly detailed themes and complex bonus features. They are easy on the eye, great fun to play and usually come complete with plenty of features designed to maximize your wins. This winning combination produces some of the best slot games on the market. To help you narrow down the options, here’s our pick of the top most popular WMS slot games you can play for free:
1. Heidi and Hannah's Bier Haus
Launched in August 2019, this game is the third online slot in the popular series developed by WMS. Expect stacked wilds, larger jackpots, and trigger up to 100 free spins.
2. Enchanted Kingdom Mega Drop
This fairytale-themed adventure features wilds, free spins, and three progressive jackpots known as the Mega Drop, making one of the most exciting new additions.
3. Montezuma Megaways
Montezuma is the latest slot classic to be upgraded with the thrilling trademarked Megaways function. Boasting six reels and up to 117,649 ways to win, it’s one to look out for.
4. Raging Rhino
With its African wildlife theme, Raging Rhino is known for its high volatility and potential for massive wins. The game boasts 6 reels and 4,096 ways to win, along with free spins and expanding wilds.
5. Wizard of Oz: Ruby Slippers
Follow down the yellow brick road with Dorothy and her friends in this fun and exciting Wizard of Oz slot game. Spin the reels and enjoy multiple bonus rounds, including the Ruby Slippers feature, which triggers various bonus rounds when they appear on the reels.
The best RTP WMS slots in 2025
| Rating | High paying slots | RTP | Free Spins | Paylines | Rows | Reels |
|---|---|---|---|---|---|---|
| 1 | Zeus II | 96.77% | 10 | 50 | 4 | 5 |
| 2 | Frozen Inferno | 96.36% | Unlimited (until 5 wins) | 40 | 4 | 5 |
| 3 | Giant's Gold | 96.21% | 5 - 100 | 100 | 4+12 | 10 |
| 4 | Enchanted Kingdom Mega Drop | 96.19% | 20 | 30 | 3 | 5 |
| 5 | Heidi and Hannahs Bier Haus | 96.15% | 5 - 100 | 50 | 6 | 6 |
| 6 | Hearts of Venice (Dual) | 96.12% | 10 | 50 | 4 | 5 |
| 7 | Zeus III | 96.1% | 10 - 25 | 192 | 2-3-4-5-6-7 | 6 |
Popular WMS progressive jackpot slot games
WMS is not exactly known for its progressive jackpot slots just yet, but as part of the Scientific Games network, it has access to the massive Mega Drop progressive jackpots. So far, Enchanted Kingdom is the only WMS slots game on SG Digital's must-drop multi-level jackpots – where the Epic Jackpot can reach as high as $200,000.
The best WMS mobile casinos listed
Williams Interactive has a long history in the industry, but this doesn’t mean that it is outdated by any means. Its online slots are compatible with iOS, Android and Windows mobile devices, allowing players to enjoy their favourite games at any time. The WMS software is fully browser-based, and so it doesn’t require users to download special apps in order to access the mobile slots. In fact, you can find WMS mobile games at some of the best casinos in Canada.
Spin Casino: Spin Casino has an HTML5-optimized mobile site that will adapt to fit your screen, allowing you to play its selection of games with no reduction in quality. It also offers an exclusive native app meaning you can have a great gaming experience no matter where or when you choose to play.
JackpotCity Casino: JackpotCity has one of the best mobile casino offerings we've seen. You can play your favourite games from your mobile browser or download the app for a more exclusive and personalized experience.
Ruby Fortune: With Ruby Fortune, you can choose to play via your desktop, mobile browser or the dedicated casino app. You'll have the same great access to the site's wide range of games while on the go. And thanks to the casino's use of HTML5 technology, the site transitions seamlessly from desktop to mobile devices and tablets.
Royal Vegas: You can play the great game selection of Royal Vegas on your mobile or via the native casino app. Both are user-friendly, reliable and safe and you'll be able to switch seamlessly from device to device while still enjoying the same great features, bonuses and games.
Betway Casino: Betway gives players an exciting mobile offering that features high-quality graphics, same thrilling games, and fast load times. The dedicated casino app has also been tailored to offer the ultimate convenience for mobile players.
Conclusion
It’s not hard to see why WMS is one of the best slots providers in the industry. Its years of experience and specialism give players a level of confidence that you can only get when playing top-quality games. Its game portfolio is impressive, too, with Monopoly, Wizard of Oz slots, and Zeus slots being just some of the iconic games in its catalogue. Of course, there are also plenty of other WMS slots worth mentioning, but if you’re looking to get a feel for what WMS games are all about, they’re the ones you’ll want to try first.
WMS FAQs
Yes, you can enjoy playing the full library of WMS slots at any top-rated online casino. The developer is licensed and regulated to operate legitimately in many countries around the world, including Canada.
The best WMS slot machines to play for real money are Zeus God of Thunder, Enchanted Kingdom, and Desert Cats. These games come with huge jackpots and many opportunities to increase your winnings.
The best place to play WMS slots is at a reputable, regulated top online casino. Where you play matters, so it’s important to choose a casino that is right for you. Above we list the best-rated online casinos in Canada but if you’re unsure of where to play, be sure to check out our full list of casino reviews to help you make the best decision for you. Pick your favorite and get started with a special welcome bonus.
Yes, almost all WMS online slots are available on mobile. They run directly from the browser so that you can easily access them at any point throughout the day, no matter where you choose to play.
Yes, you can play many WMS slot games for free – in fact, it’s one of the few things we recommend to always do. The demo mode is a perfect way to practice WMS slots for fun while the balance of practice credits helps you to keep track of your results. When you’re ready, committed and have mastered a game, you can make the switch, and start betting real money.
