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Smooth Spins leans heavily into progressive jackpots across its 2,000-strong slot library, balanced by classic reels and Megaways. Popular in the United Kingdom games can pull your attention towards the biggest prizes even when another game offers stronger maths or a lower stake, however. We provide you with tips for finding which Smooth Spins slots actually offer stronger RTPs and lower real stakes, as well as how to check that data.
When selecting a game that matches your budget and preferred payout pattern at Smooth Spins, RTP is a good place to start, but it shouldn’t decide your choice alone. Bonus eligibility, provider reputation, and actual availability contribute to our final decisions, but volatility is especially important once the percentages come really close.
High-volatility slots tend to award larger prizes less often, while low-volatility games usually pay smaller amounts more regularly. Raptor 2, for example, has 97% RTP and high volatility, so its strong theoretical return won’t necessarily translate into frequent wins. Remember, neither volatility level guarantees a payout, let alone a profit.
RTP only shows the theoretical return calculated across a very large number of spins. If you are looking for how to win as much as you can, neither RTP nor volatility provides a formula for doing so.
| Slot | RTP | Provider | Volatility | Max Win | Play |
|---|---|---|---|---|---|
| 97.06% | Playtech | Medium | x 10000 | ||
| 97.04% | NetEnt | Medium | x 2000 | ||
Raptor 2
|
97% | Yggdrasil Gaming | High | x 9493 | |
| 96.8% | NetEnt | High | x 1000 | ||
| 96.75% | Crazy Tooth Studio | Medium | x 3082 | ||
| 96.71% | Pragmatic Play | High | x 5000 | ||
| 96.71% | Pragmatic Play | Medium | x 2100 | ||
| 96.7% | Crazy Tooth Studio | Medium | x 6031 | ||
Razor Shark
|
96.7% | Push Gaming | High | x 85475 | |
TNT Bonanza
|
96.6% | Booming Games | Medium | x 6500 | |
Holly Jolly Bonanza
|
96.6% | Booming Games | High | x 6500 | |
| 96.55% | Pragmatic Play | High | x 4900 | ||
Razor Returns
|
96.55% | Push Gaming | High | x 100000 | |
| 96.55% | Pragmatic Play | High | x 10000 | ||
| 96.53% | Crazy Tooth Studio | High | x 13175 | ||
| 96.53% | Pragmatic Play | Medium | x 500 | ||
| 96.53% | Pragmatic Play | Medium | x 12000 | ||
| 96.52% | Pragmatic Play | Medium | x 2512 | ||
| 96.51% | Play'n GO | High | x 4570 | ||
| 96.5% | Pragmatic Play | Medium | x 50 |
The figures in our Smooth Spins best rtp slots table were taken from the provider pages, but Smooth Spins can use different certified settings, so confirm the in-game percentage before staking.
We removed best paying slots on Smooth that were unavailable in Great Britain in 2026 and those that were not working. Demo mode is available for some games once past login, so you can open the game, read the rules, and get the feel of it before you stake.
Once you login, you can try out demo slots, but not every title offers free play, so always confirm the RTP and other figures in the casino’s live game information.
Few jackpot slots made our Smooth Spins Highest RTP Slots list because progressive pools reduce standard base-game payouts. Popularity won’t change those figures either, so we didn’t favour famous titles simply for their name or advertised prizes.
Free spins, however, can add value to the money you already planned to spend. If two of the best online slots have similar RTPs and volatility, an eligible promotion may tip your decision without changing either game’s underlying maths. For smaller balances, we’ve compiled a separate selection of Smooth Spins’ cheapest games as an alternative to our slots with best rtp picks.
Budget-conscious players might prefer slot games with the lower min bets, and £0.01 is as low as it can get. With fixed-payline slots like Kings of Cash, though, all 15 lines stay active, so even at 1p per line, you’d pay 15p for each spin rather than a penny.
Some slots use adjustable paylines, which let you choose how many lines stay active. If each line costs 1p per spin, one active line gives you 1p × 1 line = 1p total. Ten active lines raise the same spin to 10p. Gold Gold Gold 5000 is one example of this penny slots setup, so reducing the line count can bring the total wager down.
| Slot | Min Bet | Provider | RTP | Volatility | Play |
|---|---|---|---|---|---|
| £0.01 | Microgaming | 96.68% | Medium | ||
Burning Classics Royal Edition
|
£0.01 | Booming Games | 96.1% | Medium | |
Burning Classics
|
£0.01 | Booming Games | 96.1% | Medium | |
Burning Love
|
£0.01 | Booming Games | 96.1% | Medium | |
Gold Gold Gold
|
£0.01 | Booming Games | 96% | Medium | |
Greek Legends
|
£0.01 | Booming Games | 96% | Medium | |
Gold Gold Gold 5000
|
£0.01 | Booming Games | 96% | Medium | |
| £0.01 | Playtech | 95.17% | Medium | ||
| £0.01 | Barcrest | 95% | Medium |
Those settings can vary between releases of the same game, just as RTP can vary between certified versions. One casino may offer selectable lines while another carries a fixed-line build or displays the stake differently. So before treating any of these penny slots as true 1p per spin games, open the live bet panel at Smooth Spins and confirm the total cost yourself.
If you are drawn to low stakes mainly to make a smaller balance go further, promotions may appeal for a similar reason, especially if the best paying slots have free spins deals for them.
Smooth Spins’ welcome slots bonus doesn’t include any of the games on our lists. That said, if you were already planning to deposit and you’re happy to play the featured game regardless, you can stretch your initial gambling session with free spins. Smooth Spins doesn’t currently offer a no deposit bonus, but you can find UK free spins no deposit deals on our offers page.
Always read the promotion terms before you deposit. Deadlines, excluded payment methods, eligible games can decide if you qualify for a promotion or a tournament at all or how long you have to use the spins. Some promotions require a promo code, so make sure you enter the correct one.
Do not rely on a payout percentage figure you found on another casino or an old review. The same slot can appear with more than one certified RTP setting, and its minimum bet or payline setup can differ, too. If you want to know what you will actually get at Smooth Spins, use the actual game page as your source.
Find the Game in the Current Lobby Start with the Smooth Spins slot lobby and find the title there. You can use a desktop or download an app, the process is the same.
Read the Game Info Some titles show a short information window when you click the thumbnail. It can tell you how the paylines work and may include volatility or the minimum stake. There’s no RTP listed there, however, so for the fuller betting details, you’ll have to open the Details page in the game itself.
Analyse the Numbers With the live details open, start with RTP to see the game’s long-term theoretical return. Next, look at volatility to understand how regularly payouts may arrive. Then compare the minimum stake with the payline setup. Adjustable lines may let you reduce the total bet, while fixed lines leave every line active.
Confirm the Bonus Rules Beforehand A game can be available at Smooth Spins and still be excluded from a promotion. If you plan to claim an offer, read the eligible and excluded game list first. Otherwise, you can spend towards the required play and find that none of it counted or didn’t contribute to the wagering.
Once you have checked those details for yourself, you can judge far more confidently if Smooth Spins suits the way you play, which leads into our final verdict.
Smooth Spins slots come out well on the maths. The site’s stronger-RTP selection averages 96.67%, above the roughly 96% benchmark often used for UK slots, leaving a 3.33% house edge. The casino still has the long-term advantage, but individual sessions can return worthwhile wins. We would favour it for RTP-focused or high-volatility play, not for anyone who wants frequent, steadier payouts.
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