Latest Reviewed UK New Slot Sites in June 2021

When choosing a new online casino to play at you, can often be spoiled for choice. There are many long established online casinos and gambling sites to choose from, each with long running, gleaming reputations and solid foundations of trust – and there are some new slot sites launching more and more often, which can offer a totally new and diverse online casino experience.

On this page, we list our reviews of tried and tested new slot sites. All of the new slot sites we play at have been reviewed by our team, and if they tick all the boxes of fairness, security, value and overall good entertainment, then you'll see them below.

Casilando Casino – 10 Free Spins No Deposit + 90 Free Spins & £300 Bonus

If you’re looking for a new slot site to try out then we highly recommend Casilando Casino! This new site is hot, offers the best slots, table games and live dealer games as well as some lucrative casino bonuses too!

Casilando gives you the chance to try them for free with a cool 10 free spins no deposit bonus which will be credited directly when you create a new account below. Then, another 90 free spins and 100% up to £300 casino bonus waiting for you on your first deposit.

Casinos Bonus Visit

eu gb ca nz ie

100% up to £300 Welcome Bonus

90 Bonus Spins

Bold Graphics Superb Theme & Feel Massive Games Collection


Gambling License

18+. New players only. Min deposit £20. Bonus spins are valid on Book of Dead only. Bonus funds are 100% up to £300 and separate to Cash funds. 35x bonus wagering requirements apply. Only bonus funds count towards wagering requirement. £5 max. bet with bonus. Bonus funds must be used within 30 days, spins within 10 days, otherwise any unused shall be removed. Terms Apply. 18+ T&C's | BeGambleAware®

Miami Dice Casino - 200 Free Spins & up to £3,500

Miami Dice is a new casino site to launch early 2017 and offers one of the best bonuses online - truly! First of all, Miami Dice Casino is the place to head if you love online slots and jackpots.

There's an abundance of casino games available both on mobile and also main desktop, provided by many leading casino games providers including Netent and Mixcrogaming.

Get started at Miami Dice with 200 free spins on Netent Slots as well as a welcome bonus worth up to £3,500 (first deposit up to £2,500). For further information, read our full Miami Dice Casino Review or visit them site directly below to see what you think.

Casinos Bonus Visit
Miami Dice

eu gb ca nz ie

200% up to £300 Welcome Bonus

50 Bonus Spins

Superb Slots Selection Wide Range of Games Experienced Provider


Gambling License

18+. New players only. One bonus offer per player. Minimum deposit £20. Max bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Bonus funds must be used within 30 days otherwise any unused bonus shall be removed. Bonus funds are 100% match up to £300 on your 1st deposit, 50% match up to £500 on your 2nd deposit, and 75% match up to £500 on your 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds contribute towards any wagering requirements. Terms apply. 18+ T&C's | BeGambleAware®

Casumo Casino – 200 Free Spins & £1200 Casino Bonus

Casumo Casino is the ultimate slots and casino site. It’s not strictly ‘new’ but it is a new age and modern casino which offers you a very different online casino experience, miles away from more 'traditional' and classic online casinos.

Casumo Casino is a themed casino and is presented as an ‘online casino adventure’ where you’re playing your favourite slots and casino games, including live dealer casino games in a different world. Collect ‘belts’ along the way, which is Casumo's unique rewards program and get lots of extra value every single time you play.

Casumo offers all the top slots from Netent, Microgaming, Novomatic, WMS, Thunderkick, Play N Go and many more, plus a really good live dealer casino option, where you can play real casino table games as if you would do in a land based casino.

Casino Heroes - £5 Free Plus £400 & 200 Spins or 600 Spins

Casino Heroes is one of our new favourite online casinos. It's a new casino to reach the UK, but is already big news in most of Europe. Let us start by saying that it's a "one of a kind casino" a bit like a cartoon mini adventure (you need to visit it to see what we mean!

Casino Heroes has it all going on too; top slots, live games and jackpots, as well as rewards everytime you play, which you can keep track of in your account.

What's more, you can try out CasinoHeroes for free below as you will be rewarded with a free £5 bonus when you register a new player account. Then from there it's up to you: will you want £400 & 200 Spins or 600 Spins?

777 Casino - £21 Free and £200 Casino Bonus Casino is a new slots site which offers players to play all the leading online slots and many online progressive jackpots! 777 Casino is owned and operated by 888 Holdings, which is one of the biggest iGaming companies in the world, and yes, they also own sister site and highly established 888 Casino.

777 Casino is designed with a 1950’s s American diner theme which offers a nostalgic Las Vegas theme and it’s really fun to play at as it’s very different. 777 Casino also offer what we think is one of the best casino bonuses, where you can get £21 free casino bonus when you register to try 777 Casino for free!

777 Casino are so sure that you’re going to live what you see that they give all new customers another£200 casino bonus on your first deposit, and many more bonuses after that, as well as daily casino promotions you can join in too, for extra value. You can read our full 777 Casino review or visit them below to claim your £21 free casino bonus.

Casinos Bonus Visit

eu gb ca nz

100% up to £100 Welcome Bonus

Reload Bonuses + Top Rewards Program

Experienced Company Behind The Brand Famous Games Great Theme


Gambling License

New players only. 100% up to £200 FreePlay (FP). £20 min deposit, excluding deposits by Skrill or NETELLER • FP expires after 14 days and wins are capped at the amount of FreePlay received, exc. JP win. FP wins are credited as bonus. Bonus wins are capped at £500.No Deposit Offer: New players only • Predefined bet amount of £0.25 per spin • Free Spins (FS) must be claimed within 48 hrs of receiving the email and expires after 14 days • FS wins are capped at £20 Bonus, exc. JP win 18+ T&C's | BeGambleAware®