Parlay's collection may not rival the best casino software developers in terms of size, but it has collection of top quality online slots. These run in HTML5, meaning they’re mobile friendly and can be easily enjoyed across different operating systems without needing to download any apps.

If you’re looking for the best Parlay slots to play, check out these games:

Serpent's Riches - Set in ancient Egypt, this is one of the best Parlay online slots. The 5-reel machine has wilds, scatter symbols and a special bonus feature where you can get big payouts by matching three serpent symbols.

Fairground Frenzy - Another one of Parlay's featured titles is Fairground Frenzy. It’s available on desktop and on mobile, and has optimized controls for a better experience with the five reels on smartphones. There are two bonus modes that follow the carnival game theme.

Pirate's Treasure - The pirate theme and fitting soundtrack makes this online slot popular for players searching for treasure. Up to nine lines can be activated for the 5x3 screen and payouts can reach $12,500!

Our review team carries out a series of tests to ensure that our recommended Parlay powered online casinos not only have the best Parlay slot games available on both desktop and mobile, but also offer a premium gaming experience in all other aspects. We check:

Security and licensing - We check that the casinos are properly licensed and regulated, have the eCogra stamp of approval and use SSL-encryption.

Games - We play the games ourselves to check their play-ability and entertainment factor. We also like to see a wide range of slots, and plenty of other casino games on offer in case players would like a break from the reels!

Payment methods - We ensure that the casino accepts a variety of payment methods, and that the deposit and withdrawal process is quick and easy.

Customer support - We get in touch with customer support to check the service is first-class.

Bonuses - We like to see what welcome bonuses and loyalty schemes are offered to keep players happy.

You can play the best Parlay slots without having to make a deposit or register first. Check out these top free slots by Parlay:

• Fairground Frenzy
• Hollywood Reels
• Gorgeous George
• Living Large
• Double Scoop Delight

Playing online slots for real money can earn you bonuses and epic cash rewards. If you’re wondering which Parlay slots are best for playing for real money, we recommend:

• Serpent's Riches
• Pirate's Treasure
• Diamond Surprise
• Trolling for Treasure
• Get Cracking

Parlay has focused on developing mobile-optimized online slots in recent years, meaning all its modern slots are launched in HTML5 for seamless compatibility on smartphones and tablets.

The controls are also mobile-friendly and include a large spin button on the right for easy access when holding a smartphone in landscape view.

Parlay Games was established in 1998 in Burlington, Canada. Despite being more than two decades old, the provider continues to be an innovative casino software developer with an impressive range of products. Parlay's portfolio covers online bingo, slots games, table games, lotteries, and also offers back office solutions.

With its original creations and contributions from 3rd party slot game providers, Parlay has a collection of 100 online casino games, which can be played at leading online casinos. Some of the Parlay slots run on Flash, but the newer options use more modern software for improved mobile compatibility.