Best WMS Casinos: Top Online Casinos with WMS Slots

An individual playing online casino games with poker chips next to the computer. (Photo courtesy of shutterstock)

WMS games have long been popular at online casinos in the United States, with Raging Rhino usually among the first games casino newbies play.

That said, there’s more to the WMS line-up than Raging Rhino, and many of the best WMS casinos in the United Sates offer dozens of games from this legendary studio.

So, join us as we introduce you to the best WMS casinos for game variety and bonuses in 2025, and find out which sites currently offer a great-value welcome package to kick things off the right way.

Who is WMS?

WMS Gaming is one of the biggest online and land-based slot machine manufacturers in the U.S. market. Since 2013, it has been part of the Scientific Games Corporation and has significantly added to its online and brick-and-mortar slot offering in the years since.

Well-known and much-loved online WMS slots include Raging Rhino, Montezuma, and Spartacus Megaways, which you can find at top-rated online casinos in the United States. The company also develops and releases poker games and video lottery terminals for land-based casinos across the United States.

If you’re keen to play games from this developer, check out the best WMS casinos in the U.S. market in 2025 below:

Bet $5 Get $250 in Bonus Bets if You Win!

21+ (18+ D.C.) and present in select states (for KS, in affiliation with Kansas Star Casino). First online real money wager only. $5 first deposit required. Bonus issued as nonwithdrawable bonus bets which expire 7 days after receipt. Restrictions apply. See terms at sportsbook.fanduel.com. Gambling Problem? Call 1-800-GAMBLER or visit RG-help.com. Call 1-888-789-7777 or visit ccpg.org/chat (CT). Hope is here. GamblingHelpLineMA.org or call (800)-327-5050 for 24/7 support (MA). Visit www.mdgamblinghelp.org (MD). Call 1-877-8-HOPENY or text HOPENY (467369) (NY).

BetMGM Casino

Welcome bonus: 100% deposit match up to $1,000 plus $25 on the house

Top WMS slots: Raging Rhino, Montezuma, Spartacus Megaways

BetMGM Casino is a top-rated online casino in the US for WMS slots in 2025. When playing here, we enjoyed spinning the reels on Raging Rhino, Montezuma, and Spartacus Megaways, three all-time classic WMS slot machine games.

Alongside WMS slots, BetMGM stocks games from other leading online studios specializing in classic slot gameplay, including IGT, White Hat, AGS, and Everi. We also like that BetMGM offers exclusive slots you won’t find anywhere else.

Should you wish to play the best WMS slots at BetMGM Casino in 2025, sign up today and deposit at least $10 to trigger a deposit match bonus of up to $1,000.

BetRivers Casino

Welcome bonus: 24 hours of casino losses back, up to $500

Top WMS slots: Monopoly Hot Offer, Raging Rhino, Bier Haus

BetRivers carries many games from WMS’ partner studio, Light & Wonder, alongside some of WMS’ outstanding Monopoly-themed slots. For instance, we loved playing Monopoly Hot Offer at BetRivers, a unique and engaging slot title based on the classic board game, offering wins of up to 2,500x the bet.

Along with offering a decent selection of WMS slots, BetRivers covers all bases by providing games from many of the most recognizable online casino providers, including IGT, Hacksaw Gaming, and Games Global. In fact, game variety is perhaps our favorite thing about BetRivers, as you can play over 1,000 slots here from developers, including WMS.

To enjoy WMS slots, sign up for BetRivers today, and you will receive up to $500 in casino losses back across your first 24 hours of play.