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Online slots to play for real money: Best picks this week

Skip searching endless slot libraries and see the best-paying options at regulated U.S. gaming sites. I've ranked the top 5 high-RTP online slots to play.

ByJeremy OlsonUpdated: Jul 27, 2026 6:45PM ET5 min read

If you're looking for online slots with high return to player (RTP) rates, you probably don't feel like sifting through thousands of games at licensed U.S. online casinos.

So, this week, I've researched regulated operators in Michigan, New Jersey, Pennsylvania, and West Virginia, looking for the best-paying slots of July. Check out my top five rankings, focusing on RTP, reputable software providers, and availability in regulated states.

Slot	Provider	RTP rate	Where to play	Top alternative slot in other states
1. Book of 99	Relax Gaming	99%	BetMGM (MI, NJ, PA, WV)	Blood Suckers (98%)
2. Marching Legions	Relax Gaming	98.12%	Borgata (NJ, PA)	Starmania (97.86%)
3. Blood Suckers	NetEnt	98%	Fanatics Casino (MI, NJ, PA, WV)	Marching Legions (98.12%)
4. Starmania	NextGen Gaming	97.86%	Golden Nugget (MI, NJ, PA, WV)	Book of 99 (99%)
5. Medusa 2	NextGen Gaming	97.07%	DraftKings (MI, NJ, PA, WV)	Secrets of Atlantis (97.07%)

Online slots to play for real money: Best picks this week

Skip searching endless slot libraries and see the best-paying options at regulated U.S. gaming sites. I've ranked the top 5 high-RTP online slots to play.

Best-paying US online slots to launch this week

This week's 5 highest-RTP online slots

1. Book of 99

2. Marching Legions

3. Blood Suckers

4. Starmania

5. Medusa 2

How RTP & volatility impact slots to play online for real money

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