Top WMS Online Slot Machines and Casinos (2024)

Compare popular WMS slot games and find the best gambling sites to play them for free and real money

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Key Things You Need to Know

  • Williams Interactive was founded in 1943 as Williams Manufacturing Company in Chicago. At that stage, it focused on creating pinball machines and arcade games.
  • In 2013, the Scientific Games Corporation acquired the company, enabling it to reach more markets worldwide.
  • WMS is known for a wide range of slot features, including reel boost and transmissive reels that mix traditional reels with video animations.
  • Read our guide to WMS slot games so that you can pick the best games based on the minimum and maximum bets per spin and payout percentages.

Our Reviews of WMS Slots

Crystal Forest slotWizard of OzZeus slots machine

Best WMS Online Slots for Real Money

The best online slot machines have many in-game features, including transmissive reels, free spins, and the occasional bonus wheel. Check out the ten best real money slots from WMS below:

  • Monopoly Grand Hotel: A 50-fixed payline slot with a GO feature where you win free spins up to 1,000x your stake and cash prizes. It comes with a payout percentage of 95.42%.
  • Zeus III: An Ancient Greece-themed slot with up to 50 free spins and a 50x multiplier up for grabs. It enjoys a 96.10% payout percentage.
  • Wizard of Oz Ruby Slippers: A popular slot with 30 fixed paylines that feature re-spins, free spins, random wild reels, and pick-me features. It enjoys an RTP of 95.96%.
  • Bier Haus: A classic video slot with an Oktoberfest theme. It comes with persisting wild, free spins and a payout percentage of 96.28%.
  • Reel’Em In Big Bass Bucks: Reel’Em In sports a fishing theme. Win up to five casts and 10x your total bet. It comes with an RTP of 92.46%.
  • Bruce Lee: A money burst slot with a unique reel layout of 60 fixed paylines and stacked wilds. It comes with a payout percentage of 96.05%.
  • KISS: A slot game with colossal reels and three bonus features, including free spins, bank prizes, and more. 
  • Invaders from the Planet Moolah: A slot with the cascading reels feature, up to 50 free plays, and a payout percentage of 96%.
  • Raging Rhino: A game with up to 50 free-play spins with a multiplier that can go as high as 81x your bet. It comes with an RTP of 95.91%.
  • Hearts of Venice: A popular slot found in Las Vegas Casino. It benefits from the hot-hot respin feature, ten free spins, and a 96.12% payout percentage.

Best WMS Online Slots Reviewed

Now that you know the most popular offerings by this game developer, read our detailed online slot reviews below.

Monopoly Grand Hotel: 50-fixed payline slot with a GO feature, where you win free spins, up to 1,000x your stake, and cash prizes. It comes with a payout percentage of 95.42%.

Monopoly Grand Hotel is a popular slot split across five reels and 50 paylines. It has a GO feature, where you get nifty prizes, free spins, and a jackpot worth up to 1,000x your stake.

monopoly grand hotel slot

In this slot, Mr. Monopoly is the wild symbol, replacing all other symbols except the house, the hotel, and the GO. He can only appear on reels 2 to 5. Landing three GO symbols on the middle three reels activates the GO feature. You immediately receive one spin on the GO bonus wheel.

You can win up to six free-play spins and a free parking bonus worth up to 20x your stake, a cash prize of between 2x and 20x your stake, or any of the four jackpots. You also enter the free spins bonus round by landing six or more house/hotel symbols on a single spin. The number of free-play spins is equal to the number of triggering symbols. You can land between six and 15 free spins.

Zeus III: An Ancient Greece-themed slot with up to 50 free spins and a 50x multiplier that is up for grabs. It enjoys a 96.10% payout percentage.

Zeus III is a slot with an Ancient Greece theme that features six reels and 192 paylines. It comes with a payout percentage of 96.10% and enjoys a medium to high variance.

Zeus III

The temple symbol acts as a wild, replacing all other symbols except for the features to help create winning combinations. You’d need to land three or more feature symbols on a single spin to enter the free-play spins round. They only appear on reels 2 to 6.

During the free-play bonus round, features symbols appear on reels 1 to 5. Landing three feature symbols awards you with ten free spins, four feature symbols awards you with 25 free-play spins with a 10x multiplier, and five feature symbols give you 50 free-play spins with a 50x multiplier.

If you land an entire reel full of Zeus symbols, it’ll transform into a wild, leading to massive wins.

Wizard of Oz – Ruby Slippers: Popular slot with 30 fixed paylines that features re-spins, free spins, random wild reels, and pick-me features. It enjoys an RTP of 95.96%.

The Wizard of Oz is a slot widely available at land-based casinos in Las Vegas. The Ruby Slippers version was released online with five reels and 30 paylines. It comes with a payout percentage of 95.96%.

wizard of oz ruby slippers

The Wizard of Oz symbol is wild and replaces all other symbols except for the bonus feature symbols. In this slot, there are 45 ways to activate the bonus feature. Glinda randomly shows up and transforms up to five reels into wilds.

If you click your heels together three times, a multiplier is revealed, and Glinda might increase this feature to 10x your stake. Other features available in this slot include the find the broom, the feature re-spin, the emerald free-play spins bonus round, and the crystal ball feature. If you love playing slots jampacked with features, this is it.

Bier Haus: A classic video slot with an Oktoberfest theme. It comes with a persisting wild, free spins, and a payout percentage of 96.28%.

Bier Haus is a popular WMS online slot split across five reels, four rows, and 50 fixed paylines. It comes with many features, including free-play spins and locking wilds. It enjoys a solid payout percentage of 96.28%.

bierhaus slots

The waitress symbol is this slot’s feature. There are two different waitress symbols. The one smiling against a green background triggers the free-play spins feature, while the other one set against a purple backdrop holding three beers triggers the gold feature.

If you land five of these symbols on a single spin, you activate one of the features. You receive five free-play spins if you trigger the free spins bonus round. You receive five extra free-play spins for each gold feature symbol you land during this round. If you successfully land seven feature/gold feature symbols on the reels, you receive 15 free spins. You can land up to a massive 80 free-play spins. 

In addition, every triggering gold feature symbol is replaced by persisting wilds for the free-play round. Persisting wilds are sticky wilds that lock into position for the duration of the feature.

Reel’Em In – Big Bass Bucks: A slot with a fishing theme. Win up to five casts and 10x your total bet. It comes with an RTP of 92.46%.

Reel’Em in Big Bass Bucks is a fishing-themed slot that might have inspired the popular slot Big Bass Bonanza by Pragmatic Play in collaboration with Reelplay. The game is built across five reels and 20 paylines and comes with a payout percentage of 92.46%.

reel em in big bass bucks

This slot is packed with features. Four bonus symbols trigger any of the following features. The fly fishin’ feature rewards you with a multiplier between 4x and 10x your total stake.

The fishing hole feature invites you to choose a character with several casts or picks. You must pick an area of the water where the line will be cast to disclose either a lazy fish, a regular fish, a boost, a big bass, or a treasure chest. Both fish reward you with cash prizes, while boosts reveal extra casts or cash prizes. If you find a treasure chest, you must choose between coins to disclose cash prizes. If the big bass appears, you’re taken to either the fishing contest or the fishing hole feature.

The contest feature invites you to pick a character who awards you five casts. You receive several cash prizes for all the fish caught and an extra prize for winning the contest.

The big bass fishing hole feature presents you with several characters. You must choose between them to win either picks or casts. Select an area in the water for your character to cast the line. Any big bass fish caught awards you with cash prizes.

WMS Slots With the Highest RTP

Williams Interactive has created various gaming options with bonus features and the highest payout percentages. Be it the slot game design or bopnuses, here are the best slots with the highest return to player (RTP) rates:

  • Ooh Aah Dracula: 99%
  • Monopoly Big Event: 99%
  • Moon Shadow: 98.10%
  • Rainbow Riches Pick’n’Mix: 98%
  • Jackpot Jewels: 96.50%
  • Bier Haus: 96.15%
  • Jackpot Party: 96.01%
  • Wizard of Oz: 95.99%
  • Zeus: 95.2%
  • Black Knight!: 94.9%

WMS Slots With the Largest Progressive Jackpots

Since progressive jackpots are continually growing and may vary from casino to casino, here are the most popular WMS slots with maximum jackpot sizes. You can always try these games in free-play mode:

  • Jackpot Party: $300,000
  • Dancing in Rio: $250,000
  • Lock It Link Night Life: $250,000
  • Zeus God of Thunder: $150,000
  • Montezuma Megaways: $150,000
  • Raging Rhino: $150,000
  • Zeus III: $150,000
  • Kronos Unleashed: $150,000
  • Gorilla Chief 2: $150,000
  • The Wizard of Oz Ruby Slippers: $100,000

WMS Slot Games with Low Minimum Bets

If you’re playing with a small bankroll, playing slots with the lowest minimum bets helps you extend your online gaming session. You can also try these machines in free-play mode.

  • Rome and Egypt: $0.05
  • Black Knight: $0.05
  • Leprechaun’s Fortune: $0.05
  • Bier Haus: $0.05
  • Crystal Forest: $0.10
  • Bruce Lee: $0.10
  • Montezuma: $0.10
  • Kronos: $0.10
  • Zeus: $0.10 
  • Hearts of Venice: $0.10

Best WMS Slots for High Rollers

High rollers can play WMS slots online with the biggest maximum bets available. You can try these games in free play; alternatively, you can jump straight into the action:

  • Aftershock Frenzy: $500
  • Jungle Wild: $400
  • Montezuma: $300
  • KISS: $250
  • Zeus 1000: $250
  • Spartacus: $250
  • Elvis The King Lives: $200
  • Super Monopoly Money: $200
  • Zeus III: $150
  • Viking Vanguard: $125

Are Online WMS Slots Legal to Play in the USA?

Before picking a casino at which to gamble, it’s best to check the US online gambling laws and, most notably, the state of your residence. Not all US states have legalized and regulated online gaming.

WMS has gambling licenses from the UK Gambling Commission, the Alderney Gambling Control Commission, and the Malta Gaming Authority. It doesn’t have any gambling licenses from the USA.

To play the best online slot games by this software game developer, you must select one of the best offshore casinos. You can reach any of these casino sites using a VPN, which offers you a high degree of anonymity.

Picking the best of all US online casinos should not only keep you safe but also provide you with a fair gambling session.

What Makes WMS Slots Special?

WMS has been around for a long time and has established itself as a leading software game developer that has created unique slots and themes over the years.

While the graphics for these slots may seem a little dated, you’ll love its games’ uniqueness and classic touch. Here are the attributes that make WMS slots stand out.

Innovation and Uniqueness

Like most game developers, Williams Interactive has created a selection of online slots that stand out. Amongst the features available in WMS slots are colossal reels and different variance levels.

All these features are designed to keep you engaged in an immersive gaming experience.

Graphics and Realistic Sound Effects

WMS slots are created with colorful graphics and realistic sound effects to boost the overall online gambling experience. So, while the graphics look dated for the older slots, no one can deny the careful attention to detail regarding soundtracks. 

Like all software game developers, in-game features are what makes slots special. You can expect innovative features like cascading reels, multi-line features, and bonus rounds.

Classic and Modern Slots

Whether you’re into classic fruit machines or video slots with a movie theme, WMS slots have it all. You can pick the right slot game for you based on the theme that suits you best. Because these games come with various in-game features and several paylines, you’re bound to find a game that’s ideal for you.

Strong Reputation

WMS has been around since the 1940s, and in all this time, it has successfully honed its reputation as a maker of quality and innovative online slot games.

Mobile-friendly Options

All the games you love are available on a mobile or a tablet of your liking. All slots, old and new, have been created or upgraded using the latest technological advances, enabling you to play on the go.

Whether you want to download one of the best casino apps or play the best free slots with no download at mobile casinos, all options are available.

How to Choose the Best WMS Gaming Online Casino

When shopping for a new online casino, careful consideration must be paid to factors impacting your gambling, especially with real-money play.

Williams Interactive games are available at various reputable USA-facing online casinos, so picking the right WMS casino is paramount.

You should only sign up for an account at a licensed and regulated casino site online. Not only will you find the most popular WMS slots there, but you can also expect a fair gambling session. Licensed casinos must submit their games and random number generators (RNGs) for regular testing, so the results of any WMS slot games you play should be random and impartial.

You should also take into consideration the games you’re after. Whether you’re into poker games, Monopoly slots, WMS jackpots (such as Jackpot Party), or big progressive jackpots, the WMS casino of your choice should cover it. Take the time to browse through the games on offer. Many online casinos also allow you free-play access so that you can identify suitable machines for you.

While not everyone likes to claim a bonus, checking out the casino bonuses and promotions on offer will give you an idea of how the casino of your choice operates. If you want to claim the welcome bonus, take the time to read the terms and conditions. The lower the wagering requirements, the better your chances of meeting the playthroughs and cashing out your winnings.

Next, take a glance at the list of available payment methods. Whether you want to deposit with a bank card, use a bank wire transfer, or fund your account with cryptocurrencies, you should always check the minimum and maximum thresholds for both deposits and withdrawals. If you opt for cryptocurrencies, you often deal with fast-paying casinos. These online casinos process your withdrawal requests quickly and efficiently, often within a matter of hours.

WMS Online Casino Bonuses

If you’ve played a WMS slot in Las Vegas and want to transfer your gaming session from the casino floor straight onto your mobile or laptop, you’re in luck. The gaming industry is replete with different bonuses, so picking the best casino bonuses available on the market saves you time and money in the long run.

The no-deposit bonus is one of the best yet rarest online casino bonuses. Designed to attract new players to the website, this online casino bonus comes in various shapes and forms, including free spins or a small amount of bonus cash. Specific bonuses come with different wagering requirements and terms and conditions. No-deposit bonuses allow you to try new WMS titles on a gaming platform without having to fork out a cent of your own money.

The next most popular casino bonus is the sign-up bonus. This bonus is provided against a minimum deposit that the casino stipulates. The casino matches the amount you deposit by a percentage, so if you’re depositing $20 and claiming a 100% match deposit bonus offer of up to $50, you receive an extra $20.

A welcome bonus can also appear as a free spins bonus. A free spins bonus is available on a qualifying slot of the casino’s choice. Any winnings generated can be spent to play slots or games by different slot makers that interest you.

History of WMS Gaming

Williams Interactive (WMS) is a leading and prominent gaming company founded in 1943 by Harry Williams. It initially operated under the name Williams Manufacturing Company. The main aim of this company was to produce pinball machines, video lottery terminals, and a wide range of coin-operated arcade games. In the 1980s, the company began developing video slot machines in addition to pinball machines, and in the 1990s, WMS became a significant player in the casino industry.

In 2021, Williams Interactive was officially acquired by Scientific Games Corporation, a gaming and lottery company. This acquisition allowed WMS to reach new markets around the world, thus including access to innovative technologies and new-found expertise in digital gaming and lottery systems.

Under Scientific Games, Williams Interactive continues to release popular WMS slot machines, such as Bruce Reel, The Wizard of Oz, Willy Wonka, Top Gun, and Star Trek. The company continues offering many games to the online and offline casino industry.

WMS Slots Frequently Asked Questions

Are WMS games safe to play?

Yes. WMS games are completely safe and secure to play. It’s crucial that you only play at a licensed and regulated WMS casino so that you can also enjoy a fair online gaming experience.

Are WMS slot machines audited?

Yes. WMS slots are regularly audited and tested for compliance and fairness. WMS and its parent company, Scientific Games Corporation, have their online slots regulated periodically by independent testing laboratories, such as eCOGRA.

Can I win real money with WMS slot games?

Yes. You can win real money when playing WMS gaming slots, provided Lady Luck is smiling upon you. Picking the best WMS gaming slots based on their variance and payout percentages also plays a pivotal role. Playing WMS free slots should help you figure out the best games for you.

Can I play free WMS slots?

Yes. Most WMS online casinos allow you to try slots in free-play mode before playing with real money.

Can you play Williams Interactive slots on mobile devices?

Yes. All WMS slots have been upgraded using HTML5 technology and innovative software, making them fully compatible with all mobile devices. Most modern games are playable through your smartphone browser, whereas others offer downloadable slots apps.

Which are the most popular WMS slots at online casinos?

The most popular slots come with either mechanical reels or modern features, such as transmissive reels. While the most popular games depend on your taste, we recommend mobile-optimized games such as Reel’Em In, Jackpot Party, Top Gun, Star Trek, and Wizard of Oz.

Can I play WMS slots on a Mac device?

Yes. Thanks to innovative software, all WMS slots work on all devices, whether Mac, iPhone, or iPad. Whether you want to play WMS games in free-play mode, you can enjoy video animations in their full glory.

What deposit methods can I use to play WMS slots?

The best online casinos accept many deposit methods, including bank cards, wire transfers, digital currencies, and e-checks. It’s always best to check before signing up if the payment method of your choice is accepted.

Are WMS real-money slots rigged?

No. All games by WMS are certified and tested regularly by independent third parties. Any online casinos at which you’re registering an account must be licensed and regulated. This advice applies to all products by slot makers.

Does WMS offer any popular table games?

Yes. Other WMS games include poker-based titles, such as Let It Ride and Three Card Poker.

Does WMS make card and online casino games?

Yes. In addition to online slots and poker games, WMS offers games such as blackjack, baccarat, roulette, craps, and pai gow. One popular specialty game by WMS is the Big Wheel, a carnival-style game.

Is registration required to claim a no-deposit bonus at WMS online casinos?

Yes. Registering for an account is the only way to claim a no-deposit bonus. You can play online slot games with bonus funds instead of in demo mode.

Does WMS have live games?

No. Besides WMS free slots with various bonus features, WMS has created RNG casino games, such as blackjack, baccarat, and roulette.

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