At trusted UK casinos not on GamStop for 2025 , you’ll often find hundreds of the best online slot machines from a wide variety of game developers. The selection is vast, and you can try most titles for free in the demo version. But if you feel overwhelmed by the variety or simply don’t know which of the many online casino slots to try first, don’t worry! Our experts recommend the top 10 online slots that have become real hits in non GamStop casinos and are popular with British players. Simply choose one of the following online slot machines.
1. Eye of Horus at non GamStop casinos
Eye of Horus by Reel Time Gaming was released in 2016. The online slot with five reels and ten paylines has a payout rate of 96.31 percent and draws on ancient Egypt as its theme. Players can win free spins with scatter symbols, and expanding wild symbols and a symbol swap are lucrative features of the online slot. Payouts of up to 10,000x are possible on the real money slot.
2. Book of Ra at non GamStop casinos
Book of Ra has found many fans around the world and is a true slot machine hit from Novomatic. Since its release in 2005, the original has spawned many imitators, giving rise to book slots with special symbols. However, Book of Ra remains an exciting non GamStop casino slot with a payout rate of 92.13 percent and a classic Egyptian theme. You play with nine paylines and try to use scatter symbols to reach the lucrative bonus round. The random special symbol expands to cover the entire reel during free spins, thus improving your winning combinations. Honest Betmac Casino feedbacks by real players.
3. Book of Dead at non GamStop casinos
Play’n GO released Book of Dead in 2016, creating its own book-themed slot. This Book of Ra clone is certainly impressive and has garnered many fans with a payout rate of 96.21 percent at non GamStop casinos. In the bonus round, a special symbol is also active here that can expand. You can also multiply your real money winnings with the gamble feature. As with Book of Ra, you can win up to 5,000 times your stake.
4. Razor Shark
Razor Shark by Push Gaming offers an interesting layout with four rows instead of just three on the five reels. The slot game runs with 20 paylines and a payout rate of 95.05 percent. The numerous sharks form the winning symbols here, while the re-spin feature gives you a second chance.
A multiplier multiplies your winnings, while the scatter symbols point the way to the bonus round with free spins. As a new online slot from 2019, Razor Shark has a high maximum win, and you can win up to 85,000x your stake.
5. Gonzo’s Quest
Swedish game developer NetEnt celebrated huge success with Gonzo’s Quest in 2013, and the online casino slot is now even playable in a virtual reality version. The slot game runs on a screen with five reels and three rows, across which 20 paylines run. The attractive payout rate of 96 percent is complemented by free spins and a multiplier at non GamStop casinos. NetEnt not only equipped Gonzo’s Quest with attractive 3D graphics and numerous effects, but also created the Avalanche feature, in which the winning symbols fall from above and winning combinations are replaced by new ones, allowing you to win multiple times in a row.
6. Big Bass Bonanza
The legendary online casino slot Big Bass Bonanza from Reel Kingdom dates back to 2020 and transports you to an underwater world where you can land attractive real money winnings in the form of big fish. Free spins await you in the bonus round, while the money symbol can bring you additional cash prizes. Multipliers further multiply your winnings. The RTP of 96.71 percent is impressive, making Big Bass Bonanza a popular online casino slot among British players.
7. Lucky Lady’s Charm
Lucky Lady’s Charm is another Novomatic hit from 2003, and the Austrian manufacturer has since released many more versions of the popular online casino slot. The original features five reels with nine paylines and a payout rate of 95.13 percent. The bonus round with 15 free spins comes with a lucrative 3x multiplier. Lucky Lady’s Charm can pay out up to 4,500x your stake.
8. Gates of Olympus
Pragmatic Play’s Gates of Olympus real money slot hit online casinos in 2021 and features the ancient Greek gods as its theme. This real money slot offers payouts of up to 5,000x your total stake. The wonderfully large layout with six reels and five rows offers plenty of winning opportunities, and combinations pay out in any position.
Winning symbols are replaced by new ones, while the multiplier multiplies your winnings. Scatter symbols bring free spins and cash prizes at non GamStop casinos.
9. Starburst
Starburst by NetEnt, released in 2013, is one of the most popular online slot machines ever. The online casino slot pays out both ways on its ten paylines and otherwise offers a simple gameplay with wild symbols that expand to cover the entire reel. There are no bonus rounds or free spins, but there are free re-spins that can occur up to three times in a row. The popularity of this online slot stems from its low variance and real money winnings of up to 500x at non GamStop casinos.
10. Lord of the Ocean
Another Novomatic title rounds out our top 10: Lord of the Ocean from 2008 is a classic with five reels and a 95.1 percent payout rate. Set in the depths of the sea and the realm of King Neptune, where you can unearth sunken treasures, the free spins feature an expanding special symbol, and the scatter symbols provide additional cash prizes.