Best WMS Slots to Play at US Casinos Online

If you're on the lookout for best online slots to play - WMS slots might be just what you're looking for.

WMS, short for Williams Manufacturing Company, has been in the slots gaming industry since the 1990s. They are known for their innovative video animations and their immersive slot machines. Today, WMS gaming slots mainly target the US market, which means US players are among the first that get to try out the new WMS online slot mechanics!

Check out the best WMS slots, find out more about Williams Gaming, and pick your favorite casinos to play the best WMS games.

Don't forget to consult our free spin bonus list to find new player bonus that let you play all the games on this page - and more.
Bier Haus 200Bier Haus 200
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Cyber FantasyCyber Fantasy
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Zeus 3Zeus 3
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Big RexBig Rex
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Zeus 1000Zeus 1000
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Wild CrazyWild Crazy
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Knight's KeepKnight's Keep
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Hula NightsHula Nights
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Rome & EgyptRome & Egypt
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Dragon WheelDragon Wheel
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Omg! KittensOmg! Kittens
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Nemo's VoyageNemo's Voyage
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Saber ToothSaber Tooth
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Zeus 2Zeus 2
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Bruce LeeBruce Lee
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Desert CatsDesert Cats
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Bull ElephantBull Elephant
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Raging RhinoRaging Rhino
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Elvis LivesElvis Lives
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Gold FishGold Fish
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OMG! PuppiesOMG! Puppies
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Fire QueenFire Queen
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Black KnightBlack Knight
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Crime PaysCrime Pays
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Pool PartyPool Party
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Cool JewelsCool Jewels
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Casino IslandCasino Island
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3-Alarm Fire3-Alarm Fire
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Amazon QueenAmazon Queen
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Lady of EgyptLady of Egypt
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Jungle WildJungle Wild
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Giant's GoldGiant's Gold
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Top 10 WMS Slots Online: Play WMS Slots

If you're about to join an online gaming site, you may want to consider the availability of WMS slot games. Free slots, real money games, high payouts, and innovative gameplay is only a glimpse of what you can expect from this software provider.

Below are the best WMS slot machines that you can find at US online casino sites:

RankWMS SlotThemeRTP
1Amazon QueenAnimals95.94%
2Crime PaysAdventure97.04%
3Dancing in RioFestivals94.45%
4Wizard of Oz: Ruby SlippersFairy Tale95.96%
5Enchanted KingdomMagic94.00%
6KISS Shout It Out LoudMusic95.90%
7Monopoly Mega MoversBoard Game96.05%
8Giants GoldMagic96.21%
9Spartacus Gladiator of RomeHistory95.94%
10Cool JewelsGems96.10%

⭐ What makes these the best WMS slots to play in 2022?

The 10 titles included in the list best represent the ability of WMS Interactive to produce industry-leading games. These are premium casino games that feature a high RTP, exciting bonus rounds, and all the features that best showcase why WMS is considered to be one to the top slot game developers in the world.

⭐ Who are these games for?

Like most WMS products, these slot machines speak to the heart of 'traditional' slot fans, bringing to the screen the same top-quality entertainment gamblers grew to love at land-based casinos in Las Vegas and Atlantic City.

Amazon Queen

Amazon Queen slot

Amazon Queen has the standard 5-reel layout and it comes with a total of 20 fixed paylines. This WMS slot game features up to 100 free spins bonus rounds, however, you won't see any multipliers.

The highest payout can go as high as $45,000 and you can achieve it by wagering the maximum of $60 per spin. The minimum bet, on the other hand, is set at $0.01, which means anyone can play the game.

Even though the slot's RTP is a bit below the average, the high volatility game makes the gameplay rather thrilling. Besides, who wouldn't want to try this high-resolution lively gem setup in the Amazon jungle?

  • RTP: 95.94%
  • Volatility: High
  • Theme: Animals
  • Maximum win: $45,000

Crime Pays

Crime Pays Slot

Crime Pays is one of the highest RTP WMS slots. It features 5-reels and 50-paylines that players can adjust.

You can bet as low as $0.5, and as high as $60 per spin. And with the medium-volatility-high-RTP combo, this video slot machine pays out wins more often than most.

You can land on 4 different scatters, trigger a 2x multiplier, or get lucky with the wild symbols. And if it's your lucky day and you manage to trigger a bonus round - the 30x multipliers will be activated.

  • RTP: 97.04%
  • Volatility: Medium
  • Theme: Adventure
  • Maximum win: $50,000

Dancing in Rio

Dancing Rio.jpeg

Dancing in Rio's RTP may look low at first glance, but when you see the maximum jackpot - you'll change your mind. With a maximum bet of $50 per spin and a little bit of luck, you can become heavier for $250,000.

Event-themed WMS slot machines are not a rarity, but the 5-reel and 40-payline grid is something we don't see often. And WMS Gaming has created a slot that is just as fun as the Rio Carnival.

This online casino game features 5 jackpots - Mini, Minor, Major, Burst, and Pulse. The Pulse brings a multiplier of 500 times!

  • RTP: 94.45%
  • Volatility: Medium
  • Theme: Festivals
  • Maximum win: $250,000

Wizard of Oz: Ruby Slippers

Wizard of Oz: Ruby Slippers Slot

Wizard of Oz: Ruby Slippers brings to you another jackpot party with a win as high as $250,000. The even better news is the RTP which is almost at 96%, which is the industry standard.

Apart from being one of the most popular WMS slot games of all time, it is among the few slots that are based on TV shows.

You get a chance at the maximum win when you land on all scatters, which will multiply your winnings by 500x. And then there are the magic bonus boxes, where you'll be looking for the Witch's broom. Even if you don't find it - you'll be greeted by some amazing prizes.

  • RTP: 95.96%
  • Volatility: Medium
  • Theme: Fairy Tail
  • Maximum win: $250,000

Enchanted Kingdom

Enchanted Kingdom

What more could you ask of online slots than a $765,000 jackpot? Like many other free WMS slots, Enchanted Kingdom works with a medium volatility model and a slightly below-average RTP percentage.

Younger players may have never stepped into land-based casinos, but WMS Industries brings the best to their mobile devices. The Enchanted Kingdom slot features a win of 9,000x your wager and it follows a fairytale story.

Even though these aren't mechanical reels, they provide you with a couple of bonus features, and you can place bets ranging from $0.30 to $150.

  • RTP: 94%
  • Volatility: Medium
  • Theme: Mystic, Magic
  • Maximum win: $765,000

KISS Shout It Out Loud

Kiss Shout It Out Loud!

If you love KISS, have a thing for slots, and are looking for a fun game - KISS Shout It Out Loud might be the perfect pick for you.

This WMS rock-themed slot comes with an RTP of 95.90%. The 5-reel, 4-row, 100-payline layout lets you play with up to $40 per spin.

Unlike other software providers, most WMS games don't lack bonus features - and KISS is not an exception. You will have the chance to pick between 3 different bonuses once you unlock the slot's bonus round.

  • RTP: 95.90%
  • Volatility: Medium
  • Theme: Music
  • Maximum win: $125,000

Monopoly Mega Movers

Monopoly Mega Movers

We're sure you've played the Monopoly board game, but have you ever tried Monopoly Mega Movers? Deciding to give this game a go will not only give you access to the base game, but it will unlock the world of three more wheels.

These wheels give out various bonuses, such as an upgrade, free spins, and jackpots. Apart from the extra wheels, you get wilds, free spins bonus rounds, and Monopoly Mega Movers jackpots.

Love Monopoly? Put your your money where your mouth is! Some of the best US casinos online offer a new live Monopoly-based casino game where you get to share the action with other players. Don't miss it!

The minimum you can bet is $0.50, while the maximum stake allowed is $75 per spin.

  • RTP: 96.05%
  • Volatility: Medium
  • Theme: Board Game
  • Maximum win: $2,000

Giants Gold

Giants Gold Slot

Giants Gold is among the rare WMS slots that work under a low volatility model. This magic-themed slot has an average RTP of 96.21% and it can get you a maximum cashout of $100,000.

However, the low volatility is not the only thing that sets this online casino game apart from the others. In fact, Giants Gold features 2 separate slot machines. One is a 4-reel 5-row grid, while the other is a 12-reel 5-row grid that has up to 100 paylines.

Expanding wilds, free spins, multipliers, and a wild symbol is what you get if you decide to start playing Giants Gold.

  • RTP: 96.21%
  • Volatility: Low
  • Theme: Magic
  • Maximum win: $100,000

Spartacus Gladiator of Rome

Spartacus Gladiator of Rome Slot

If you're up for playing with 100 bet ways, this WMS Gaming slot is the right choice for you. Apart from the stunning graphics, this 5-reel 5-row grid features transfer from the base game to the Colossal Reels, and a variety of other bonus gameplay specials.

US players can place bets ranging from $0.01 up to $5 per 2 lines. The maximum win may not seem much compared to the rest of the WMS slots, but the game-play is as thrilling as it can get.

The maximum multiplier that this slot machine has is 20x, and when you land on 5 Colosseums, you get 20 free spins too.

  • RTP: 95.94%
  • Volatility: Medium
  • Theme: History, Adventure
  • Maximum win: $5,000

Cool Jewels

Cool Jewels Slot

We saved the best for last - Cool Jewels is a WMS slot like no other! This is a truly unique slot game, as it has no paylines.

Cool Jewels has a 6x6 layout and instead of fixed paylines, you can see meters that show you the number of free spins you have, as well as the paytable.

Cascading reels, exploding wilds, and 10 free spins are only some bonus features available at this cool slot. Bet as low as $0.50 or as high as $200 and aim for the highest win of $250,000!

  • RTP: 96.10%
  • Volatility: Medium
  • Theme: Gems, Wealth
  • Maximum win: $250,000

About WMS Gaming Scientific Games

WMS Gaming is a company founded in the early 1940s. Half a century later, they entered the slot machines industry, and ever since then, WMS slots have been present in numerous land-based and online casinos.

Even though they initially started working with land-based casinos, WMS slots made their way into the top online casinos for US punters.

And there's a good reason why their online slots are part of the gaming libraries of the best US online casinos. Players that have tried and tested WMS slots are aware that the games are not just a mere copy of each other.

WMS Gaming has modernized the slot machines and the mechanics behind them, introducing new payouts schemes and other fancy features.

In 2013, WMS joined Scientific Games which, as a corporation, owns a variety of top-notch software providers.

Many top-rated online casinos partner up with Scientific Games as well, which will give you access to not only the most popular online slot games from WMS, but from Bally Gaming, Williams, and Barcrest as well.

Finally, searching for a WMS casino is a rather simple task, as the popular WMS slots can be found almost anywhere.

How Did We Review These Games?

To compile the top 10 list on this page, CasinoSmash' Payal Tyagi and Mason McDonagh tested all the games produced by WMS looking at numerous parameters, including:

  • Stakes
  • Return to Player (RTP) percentage
  • Bonus Rounds
  • Gaming Experience
  • Graphics
  • Special Features

If you would like to discuss with them this list of top WMS slots or suggest other games that you think should be included on this page, you can reach out to them on Twitter at @pallityagi and @masonmcdonagh.

What are WMS slots?

WMS - Williams Manufacturing Company is an American amusement and gaming manufacturer known for producing some of the most popular online slots available in the United States. Some of their best-known creations include Amazon Queen, Raging Rhino, and Spartacus Gladiator of Rome.

Where can I play WMS slots online?

A number of legal online casinos offer WMS slots to players in the United States. Considering the number of states they operate in, BetMGM Casino and DraftKings are regarded as the best WMS casinos in the US.

Where can I play WMS slots online for free?

DraftKings and BetMGM both offer demo versions of all the most popular WMS slots available for free. All the free games are accessible (upon registration) to players in New Jersey, Pennsylvania, Michigan, and West Virginia.

Who founded WMS?

Williams Manufacturing Company was founded by Harry E. Williams in 1943. In its early days, WMS started as a producer of pinball machines. The company began to create slot machines only in 1994, after a short stint in the world of video games.

Pong-clone Paddleball (1973), Defender (1981), and Robotron (1982) are the most famous non-casino games created by the company.

What does WMS Gaming mean?

WMS stands for Williams Manufacturing Company.

Who bought WMS Gaming in 2013

WMS Gaming was acquired by Scientific Games for $1,5 billion in 2013.

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BioPolitical scientist, and gambling expert, I have spent the most part of the last ten years writing about the casino and poker industry. As a professional journalist, I work with FOX News, La Repubblica, the Economist, Politico, and PokerNews. As a gambler, I won money pretty much anywhere in Europe. As a gambling editor, I'll help you do the same.
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