Best ADW Slot Sites Online 2026: Find Top Parimutuel Horse Racing Slots

Pros and cons of parimutuel online games

Judging from our reviews, parimutuel-style games are ideal to play thanks to their transparent PVP system. There’s no house, and the sites only take a little commission on all plays. Plus, the game results are based on horse racing data, ensuring there’s no bias.

However, the game types available at parimutuel gaming sites are relatively limited. At Horseplay, for example, you only get slots, instant wins, and bingo. Classic casino-style games like blackjack, roulette, and baccarat are unavailable.

In summary, these are the essential pros and cons to know:

Pros and Cons

• Transparent PVP system
• Backed by real horse racing results
• Legal in the United States

• Limited game types available

Quick facts about parimutuel online games

• The games work in a player-vs-player format, and everyone contributes to the pool.
• Historical horse racing data determines results.
• Parimutuel gaming sites only take a commission from the pool.

What are parimutuel games?

In a parimutuel game, you don’t compete against the house. Instead, you play against other players who contribute to a shared prize pool. Every play amount you make goes into the pool, and at the end, it’s divided among qualifying players. The site offering the games only takes a commission.

Based on our reviews, the results in parimutuel online games are based on historical horse racing (HHR) data. Therefore, while you play, your potential returns depend on whether the horse you’re backing comes out on top. In other words, the games don’t have fixed return-to-player (RTP) rates, which is expected since there’s no house edge.

Are parimutuel online games legal?

Yes, parimutuel online games are legal in the United States. They’re similar to PVP sites with real money prizes, but results are based on real horse races. For this reason, the games are subject to federal horse-racing legislation and not state regulations like traditional online casinos.

Horseplay – Best US site for parimutuel and horse racing slots

Horseplay: Pros and Cons

• Generous welcome bonus
• Highly rated iOS app
• Secure payment methods
• Responsive customer support

• Not available in all US states

After checking out multiple sites, we settled on Horseplay as the best for parimutuel gaming in the United States. The brand is legit and legal, and it’s available in the following 18 states:

1. Alabama
2. California
3. Colorado
4. Delaware
5. Florida
6. Kansas
7. Montana
8. North Dakota
9. New Hampshire
10. New Mexico
11. New York
12. Oklahoma
13. Oregon
14. Rhode Island
15. South Dakota
16. Vermont
17. Wisconsin
18. Wyoming

Is your location supported? If so, you can play parimutuel titles on the Horseplay website or iOS app if you’re 21+. Let’s explain how the brand operates next.

How Horseplay works

Simply put, Horseplay offers horse racing casino-style games. Importantly, you don’t play directly with cash. Instead, when you add money to your account, you use it to buy virtual credits from the store.

During our review, we confirmed that Horseplay exchanges credits at a 1:1 ratio. Therefore, you’ll receive 1 credit for each $1 you convert. We saw credit packages of $10, $20, $40, and higher.

After purchasing credits, you can then use them to play the featured games. Behind the scenes of each play is an actual historical horse racing event. The outcomes are not based on random number generator (RNG) software like regular casino slots.

We saw some comparisons between Horseplay and mystery box sites during our review, but the models are entirely different. On a mystery box site, you purchase boxes with unknown prizes, which can be bonuses, merchandise, or other supported rewards.

Available games

Most games on Horseplay are horse racing slots. We saw over 100 titles, and each one is available in demo mode. Therefore, you can still play completely free if you don’t want to use your credits. From our sessions, these are some of the top five Horseplay slots to check out if you register:

These titles feature reels and symbols, and you spin as usual. However, remember that the results you get are determined by historical horse racing data and not a fixed RTP or house edge.

That said, outcomes are still random since horse races are mostly unpredictable. Therefore, we don’t group Horseplay parimutuel slots among skill games with real money prizes where ability and strategy influence returns.

Besides our top list of horse racing slots on Horseplay, we played video poker and bingo titles. Some notable mentions include Jacks or Better, Deuces Wild, and Double Double Bonus. The site also features instant win options, and Plinko is our favorite.

Welcome bonus

At Horseplay, we didn’t see a completely free welcome bonus. Instead, the site offers up to $500 in freeplay credits when you buy your first credit package. It’s a decent promo for new players, in our opinion.

You can use the bonus credits to play any slot on our top list of parimutuel games at Horseplay or titles. However, some states are excluded from claiming the offer, so confirm if you’re eligible when you register. Also, the welcome bonus comes with a 10x playthrough requirement.

Payment methods

In our Horseplay review, we found only secure methods for payments. To add cash to your account before buying credits, you can choose from instant bank transfer, credit/debit cards, or Play+. We recommend instant bank transfer or debit cards for smooth transactions.

Note that when you buy credits for the first time on Horseplay, they may take up to 15 minutes to process. However, if you’re eligible, the bonus freeplay credits will show up immediately so you can start playing the parimutuel games. Subsequent credit purchases will arrive instantly.

Conclusion – Try parimutuel online games today

The parimutuel gaming model may seem complex at first, but it’s actually simple. Even though you’re playing casino-style options like slots, there’s no house advantage or software-generated results. Instead, everything is based on historical horse racing data.

Per our research, not many parimutuel gaming sites are active in the US right now. However, Horseplay stands as our top pick in 18 states. If you’re in a legal location, you can sign up and play horse racing online slots, and other categories such as instant wins, bingo, and video poker.

To get started, click the banners on this page to visit the Horseplay website. Take a few minutes to sign up, get credits, and load your preferred parimutuel titles to play.

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