Best New Online Slots UK 2023

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Adam Kenny for Bookies.com

2023 has been a busy year so far at the best UK online casinos. We’ve seen a number of new slot releases hit lobbies and become instant hits, rivalling the likes of Starburst, Book of Dead, Big Bass Bonanza and Sweet Alchemy 2 for prime real estate at the top of online casino lobbies. 

Here at Bookies.com, we’ve highlighted some of the best online slots released in the UK so far in 2023. We’ve also got everything you need to sign up at new casinos online and how to claim one of the great casino welcome bonuses on offer to play the best online slots.

Five Best New Online Slots 2023

New online casino games such as new UK online slots are released every week by leading software providers like NetEnt, Play'n GO, Thunderkick and more. For most, quality is more important than quantity, and that’s reflected in the best online slots found at the best UK online casinos for 2023. Here are our experts’ five best new online slot games of 2023:

Payday Pig - Booming Games

Booming Games have really stumbled onto a gem with Payday Pig. Released in June, this new slot game has proven to be hugely popular, thanks to its simple 3x3 grid and a soundtrack that feature a tune catchy enough to make playing the game worth it by itself. 

There are some nice features in this slot, including a free spins round and the Piggy Feature. No matter what your experience level with online slots is, you'll be able to get stuck right into this one and is rightly seen as one of the best new slots. 

Mochimon - Pragmatic Play

Mochimon is one of the latest online slots available at UK online casinos that tries to piggyback off the popularity of games like Candy Crush. 

The game's mechanics are quite similar to that popular mobile game. Wins are landed by matching clusters of symbols, with a maximum payout of 5,000x your stake. It's a game that's colourful, looks great and is easy to pick up and play. Since its release in February, it has become a go-to for players looking for some light casino entertainment. 

Let It Burn – NetEnt

Most new online slots come with exciting features and free spins, but are a long way removed from retro slots a lot of players will be used to. Step up, Let It Burn! NetEnt's classic-feeling slot is full of traditional slot symbols, like 7's, bells and fruits. It's a modern twist on a retro slot though, meaning there are some great bonus features. 

With 1.024 paylines, this might look like a classic slot, but it's very modern. Special Wilds and a free spins round can lead to some big payouts - the biggest possible being 2,700x your stake. Let It Burn has made a name for itself very quickly, and could, in time, go down as a modern classic slot. 

4 Masks of Inca - Foxium

Not to be confused with 9 Masks of Fire, this new slot from Foxium is an Inca-themed online slot with a whopping 20,000x maximum payout. On top of that, there are a whole host of bonus features to help land a big win.

Wilds with multipliers, an Inca Battle feature and Inca mask symbols can all result in decent payout. The biggest wins come in the free spins round, which is triggered by landing three scatters. There's a lot going on in this slot game, and it's become an instant hit. 

10 Swords - Push Gaming

Online slots with a Roman theme have been very popular over the years, and Push Gaming will be hoping the same is true of their new release, 10 Swords. The game is on a fairly basic 5x3 grid with 20 paylines, meaning it should be pretty easy to dive into for anyone who has played at a UK online casino before. 

Free spins can be won by landing three scatters. The other main feature of the game is collecting swords. If you land, you guessed it, 10 swords, on a single spin, you will win the biggest possible payout, which is 5,000x your stake. Wins start with four swords, which will double your stake. There's a lot to like about this slot, and come the end of the year, it will surely be high up on the list of the best online slots of 2023. 

Best UK Casinos for New Slots

There are hundreds of UK online casinos to choose from, but which ones are the best for playing new slot games? We’ve recommended five of the best UK online casinos below, where new slot games, like the ones mentioned above, are added to the lobby regularly. 

What’s more, these new online casinos offer new players who sign up via Bookies.com excellent welcome bonuses when they open an account. 

Dream Vegas

Dream Vegas’ online casino offering is right out of the top drawer. There are over 3,500 online slots to choose from, and this number is growing all the time as new slots are added. With online slots from the likes of NetEnt, ELK Studios, Pragmatic Play and more, there’s always a new slot game to try out at this UK online casino. 

Casimba

With literally thousands of online slot games available, Casimba is the go-to for many UK casino players. A quick look in the ‘New’ section of the lobby will show you exactly which new slot releases are available. Blink and you’ll miss them, though. Casimba Casino carries online slots from over 100 software providers, so new games come thick and fast. 

BetVictor

BetVictor is perhaps best known as one of the best UK sports betting sites. But it offers a lot more than that. This UK casino site offers over 3,000 online casino games. Online slots is one of its main focuses, and there is even a dedicated section on site for new slot games. 

LeoVegas

Ever since its launch in 2011, LeoVegas has become a leading UK online casino. Over time, it has become the complete package, adding sports betting to its offering that also includes excellent live dealer games. If you’re looking for a trusted, well-established UK casino for new slots, LeoVegas might be the one for you. 

21 Casino

Like a lot of the top UK online casinos in our list, you can’t go wrong with 21 Casino. There are slots, table games and live dealer games available from over 100 casino software providers, including industry leaders like NetEnt, Evolution Gaming and Blueprint. Whatever new online slot you’re looking for, you’re sure to find it at 21 Casino..

UK Casino Welcome Bonuses for New Slots

Casino welcome bonuses come in a variety of shapes and sizes. Matched deposit bonuses are the most common welcome offer. With these, players receive bonus funds based on the amount of their first deposit. Other casino bonuses may include a no deposit bonus, bonus spins or cashback deals. 

UK casino welcome offers are a great way for players to explore exactly what a casino has to offer. It either boosts your bankroll or allows you to try a new slot game with reduced risk, as you’re playing with bonus funds. 

All of the UK online casinos found on Bookies.com are licensed and regulated, so UK players can sign up and play knowing their personal data is secure and they are assured of game fairness. 

UK Online Slots Frequently Asked Questions

Are online slots rigged?

Online slots at licensed UK casinos are not rigged. The games use a random number generator to ensure that each outcome is completely random. Online slots have a built-in payout rate, known as the RTP. This gives the casino an edge, but any spin can be a win.

How do online slots work?

There are many different features in new online slots. Some may have expanding reels or require players to match a specific number of symbols in order to land a win. The most simple online slots require players to match symbols on three or more reels.

How to play online slots?

UK casino players can spin the reels on thousands of online slots at any of the online casinos listed here at Bookies.com. To play for real money, click on any of the links found on our site to avail of a welcome bonus, sign up and choose your favourite slot game.

How to win on online slots?

The biggest wins in online casinos come in progressive jackpot slots, which can rise to amounts in the millions. For most slots, big wins await in the bonus rounds. Availing of an online casino welcome bonus to add bonus funds to your bankroll is a great option to help you win at online slots.

Do online slots remember you?

In the interests of fairness and the built-in payout rate - return to player - online slots don't remember your past slots record. So whether you have won or lost previously, you will still have the same chances of success the next time around.

When is the best time to play slot machines online?

There is no set best time to play slot machines online, and much of it depends on the individual. Playing in your spare time is always the best way, but any of the online slots available at Bookies.com can be played at any time.