Free Spins Casinos
If you’ve read our slot reviews, you’ll know you can trust us to tell you if a slot is worth playing. We use the same approach with our free spins casino offers, and unlike other sites, we don’t recommend countless brands. Instead, we only promote the casinos where we love to play and feature only those that offer the best free spin bonuses. All our featured casinos are trusted brands, all are UK-licensed, and all have fast payouts. So here are our top 10 online casino free spin offers for September 2023!
Here are our top 10 online casino free spin offers for September 2023!
T’s&C’s apply. This offer is only available for first time depositors. 18+ only. Min deposit is £10. 50 Free Spins on Book of Dead. Spin Value: £0.10. After your first deposit you may claim your 30 Extra Free Spins by visiting the Kicker Section. No min withdrawal. This offer cannot be used in conjunction with any other offer. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. OJO’s Rewards and Game Play policy applies. BeGambleAware.org
FREE SPIN OFFER
80 Free Spins on Book of Dead With First Deposit.
WHY WE LOVE PLAYOJO
- No wagering requirements
- Great for new players
- Huge slot selection
T’s&C’s apply. New UK customers 18+ only. Opt-in required. 20 Bonus Spins on “Sahara Riches Cash Collect” and 100% Deposit Bonus up to £25 on first deposit. Min. deposit £10. 30x wagering requirement for Bonus Spins and 30x wagering requirement for Deposit Bonus (game weighting applies). Max. £5/spin or £0.50/line. 30 days expiry. Terms and Conditions apply. Please gamble responsibly BeGambleAware.org
FREE SPIN OFFER
100% First Deposit Bonus up to £100 + 20 Bonus Spins
WHY WE LOVE CASUMO
- Immersive rewards scheme
- No withdrawal limits
- A great all-rounder
T’s&C’s apply. 18+ only. Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Max. Bonus £50. Maximum amount of Free Spins is 50. Game: Book of Dead, Spin Value: £0.10. WR of 30x Deposit + Bonus amount and 60x Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonuses do not prevent withdrawing deposit balance.BeGambleAware.org
FREE SPIN OFFER
100% First Deposit Match up to £50 + 50 Free Spins on Book of Dead!
WHY WE LOVE SLOTS MAGIC
- 24/7 Live Chat
- High withdrawal limits
- Wide slot selection
T’s&C’s apply. New players 18+ only. Min deposit £10. 100% up to £100 + 30 Bonus Spins on Reactoonz. Bonus funds + spin winnings are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Bonus funds must be used within 30 days, spins within 10 days. Affordability checks apply. BeGambleAware.org
FREE SPIN OFFER
100% First Deposit Match up to £100 + 30 Bonus Spins on Reactoonz
WHY WE LOVE PLAY GRAND
- 24/7 Live Chat
- High withdrawal limits
- Extensive slot selection
T’s&C’s apply. Welcome Bonus only available to new players making a min deposit of £10. Welcome Bonus only available for max 1st deposit up to £200. Welcome offer can be used only once upon 1st deposit and is valid for 30 days. 35 x wagering applies and some casino games such as progressive jackpot games are excluded from wagering requirements. The 100% bonus up to £ 200 will be paid out in 10% increments to your Main Account balance. Bet size limits apply. Players must be aged 18+. BeGambleAware.org
FREE SPIN OFFER
100% First Deposit Match up to £200 + Win up to 4,200 Free spins
WHY WE LOVE VIDEOSLOTS
- Over 7000 slots!
- 24/7 Customer Care
- Fantastic loyalty bonuses
T&Cs apply. New players 18+ only. Opt-in & deposit £10, £25 or £50 within 7 days & further 7 days to wager cash stakes 35x to unlock reward (£50 on 2 deposits). 3 day exp. Wagering/game contributions vary. 25 wager-free spins x10p to added to Big Bass Splash with each qualifying deposit, 3 day expiry. BeGambleAware.org
FREE SPIN OFFER
First Deposit Match up to £100 +50 Free Spins on Big Bass Splash
WHY WE LOVE LEO VEGAS
- Excellent Support
- Unlimited Withdrawals
- Great for high rollers
T’s&C’s apply. 18+ only. First Deposit Only. Maximum amount of Free Spins is 100. Free spins will be credited in the game Thor the Trials of Asgard. Free Spin Value: £0.10 per spin. WR 60x free spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonuses do not prevent withdrawing deposit balance. Bonus Policy applies. BeGambleAware.org
FREE SPIN OFFER
100 Free Spins on Thor- The Trials of Asgard With First Deposit.
WHY WE LOVE TURBONINO
- New big brand casino
- Great for free spins
- Diverse slot selection
T’s&C’s apply. 18+ only. First Deposit Only. Game: Masked Singer UK, Spin Value: £0.10, Max Free Spins: 100. WR 60x free spin winnings amount (only Slots count )within 30 days. Max bet is 10% (min £0.10) of the free spin winnings amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonuses do not prevent withdrawing deposit balance.BeGambleAware.org
FREE SPIN OFFER
100 Free Spins on Masked Singer UK Slot With First Deposit.
WHY WE LOVE MASKED SINGER
- Live chat
- VIP club
- Extensive slot selection
Terms Apply. 18+ only. First Deposit Only. Game: Spina Colada, Spin Value: £1, Max Mega Spins: 50. WR 60x free spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonuses do not prevent withdrawing deposit balance. BeGambleAware.org
FREE SPIN OFFER
100% Up to 50 MEGA SPINS With First Deposit.
WHY WE LOVE EU CASINO
- Telephone support
- Manual flushing
- Over 2000 Slots
18+. New players only. Min deposit £10. Bonus funds are 121% up to £100. Bonus funds are separate to cash funds and subject to 35x wagering requirements. Only bonus funds count towards wagering contributions. £5 bonus max bet. Bonus funds must be used within 30 days, and spins within 10 days. T’s&C’s and affordability checks apply. BeGambleAware.org
WELCOME OFFER
121% First Deposit Bonus up to £100
WHY WE LOVE TWENTY ONE
- 24/7 Live Chat
- High withdrawal limits
- Great for high rollers
Free Spins on Sign-Up
Online Slot Master will point you in the right direction for the best online casinos that offer the best free spin deals on sign-up. If you’re looking for enticing deposit bonus offers to go with your free spins, we’ve got you covered. Finding your favourite online casino is ultimately a matter of preference, and will probably end up depending on how often you win! However, there can be much more to it when choosing where to spend your money, with great customer service and fast payouts being amongst the top factors that we look for when determining the very best slot sites.
The Best Slot Sites
All the casinos we feature at Online Slot Master must tick our boxes on quality. For example, we will never list any casinos in our top 10 that are not licensed with the UK Gambling Commission. In fact, the casinos we recommend will invariably hold many more licenses, and will also be independently audited. We only want to play at the top online casinos that are fair and transparent, so we will only recommend those who are. As slot lovers, we narrow it down further and only recommend the best slot sites with the best free spin offers.
All of our top 10 online casinos will have state-of-the-art encryption. This is not only important for your transactions, but also for your privacy. If a casino isn’t up to scratch in that regard, then they won’t be listed here. Finally, we expect all the casinos we list to protect their players with robust responsible gambling measures. Playing slots should be fun, and we won’t recommend anywhere that doesn’t have protection measures in place.
New Casino Free Spins
Picking the best online casino for free spins will often be influenced by the sign-up bonuses they offer. Many of our new UK casino free spin offers match your first deposit up to a certain amount, and you will still get your free spins. You should also look out for casinos that have wager-free bonuses. PlayOJO ranks as one of the best at Online Slot Master because their free spins come without the usual wagering requirements. This makes them great if you’re new to online casino play, or if you simply can’t be bothered working out how much you need to play before you cash out.
Right now, you can get 80 Free Spins on Book of Dead, or why not take advantage of our new casino free spins offers at Masked Singer UK, and Turbonino where you can get 100 free spins on Masked Singer UK Slot, or 100 free spins on Thor- The Trials of Asgard.
Cashback
It’s often worth looking beyond the initial sign-up bonuses at any online casino. Some of the best UK casino offers will also reward player loyalty. Videoslots features in our top online casino list because they offer a weekend booster where a proportion of your weekly deposits are returned to you as cashback. Other casinos offer similar incentives, and if you can’t see the offer immediately, it’s always worth asking via their online chat. Long before we started Online Slot Master, we would often just ask customer service for a bonus and they would oblige in a lot of cases as a reward for loyalty. In short, remember that no matter which online casino you play at, they will always want to keep your custom so don’t be shy in asking for bonuses!
Free Spins on Registration
All of the casinos we feature will offer free spins on registration. Simply sign-up, make a deposit and the free spins are yours. You need to check the terms and conditions for each casino free spin offer, but most will match your first deposit with bonus cash too. For example, you can get 30 free spins on Reactoonz and up to £100 deposit match at Play Grand. Meanwhile, 50 free spins on the smash hit Big Bass Splash are yours at Leo Vegas where they’ll also match your initial deposit up to £100.
Transparency & Accuracy
Online Slot Master brings you the very best online casino bonuses. We use affiliate links to promote the brands, and they pay us a commission if you use our links. This is at no cost to you and it ensures we can carry on doing what we love.
When displaying the offers, every effort is made to ensure accuracy. However, offers and conditions can change at short notice and we will not be held liable for any error or omissions, so please make sure you check the relevant terms and conditions before you play.
80 Free Spins on Book of Dead with First Deposit. No wagering Requirements!
T’s&C’s apply. This offer is only available for first time depositors. 18+ only. Min deposit is £10. 50 Free Spins on Book of Dead. Spin Value: £0.10. After your first deposit you may claim your 30 Extra Free Spins by visiting the Kicker Section. No min withdrawal. This offer cannot be used in conjunction with any other offer. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. OJO’s Rewards and Game Play policy applies. BeGambleAware.org
100% First Deposit Match up to £25 + 20 Free Spins on Sahara Riches Cash Collect.
T’s&C’s apply. New UK customers 18+ only. Opt-in required. 20 Bonus Spins on “Sahara Riches Cash Collect” and 100% Deposit Bonus up to £25 on first deposit. Min. deposit £10. 30x wagering requirement for Bonus Spins and 30x wagering requirement for Deposit Bonus (game weighting applies). Max. £5/spin or £0.50/line. 30 days expiry. Terms and Conditions apply. Please gamble responsibly BeGambleAware.org
First Deposit Match up to £100 +50 Free Spins on Big Bass Splash.
T&Cs apply. New players 18+ only. Opt-in & deposit £10, £25 or £50 within 7 days & further 7 days to wager cash stakes 35x to unlock reward (£50 on 2 deposits). 3 day exp. Wagering/game contributions vary. 25 wager-free spins x10p to added to Big Bass Splash with each qualifying deposit, 3 day expiry. BeGambleAware.org
100% First Deposit Match up to £100 + 30 Bonus Spins on Reactoonz
T’s&C’s apply. New players 18+ only. Min deposit £10. 100% up to £100 + 30 Bonus Spins on Reactoonz. Bonus funds + spin winnings are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Bonus funds must be used within 30 days, spins within 10 days. Affordability checks apply. BeGambleAware.org
100% First Deposit Match up to £50 + 50 Spins on Book of Dead.
T’s&C’s apply. 18+ only. Automatically credited upon deposit. Cancellation can be requested. First Deposit Only. Max. Bonus £50. Maximum amount of Free Spins is 50. Game: Book of Dead, Spin Value: £0.10. WR of 30x Deposit + Bonus amount and 60x Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonuses do not prevent withdrawing deposit balance.BeGambleAware.org
100% First Deposit Match up to £200 + Win up to 4,200 Free spins.
T’s&C’s apply. Welcome Bonus only available to new players making a min deposit of £10. Welcome Bonus only available for max 1st deposit up to £200. Welcome offer can be used only once upon 1st deposit and is valid for 30 days. 35 x wagering applies and some casino games such as progressive jackpot games are excluded from wagering requirements. The 100% bonus up to £ 200 will be paid out in 10% increments to your Main Account balance. Bet size limits apply. Players must be aged 18+. BeGambleAware.org
100 Free spins on Thor Trials of Asgard With First Deposit.
T’s&C’s apply. 18+ only. First Deposit Only. Maximum amount of Free Spins is 100. Free spins will be credited in the game Thor the Trials of Asgard. Free Spin Value: £0.10 per spin. WR 60x free spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonuses do not prevent withdrawing deposit balance. Bonus Policy applies. BeGambleAware.org
100 Free Spins on Masked Singer UK Slot With First Deposit.
T’s&C’s apply. 18+ only. First Deposit Only. Game: Masked Singer UK, Spin Value: £0.10, Max Free Spins: 100. WR 60x free spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonuses do not prevent withdrawing deposit balance.BeGambleAware.org
121% First Deposit Bonus up to £100
18+. New players only. Min deposit £10. Bonus funds are 121% up to £100. Bonus funds are separate to cash funds and subject to 35x wagering requirements. Only bonus funds count towards wagering contributions. £5 bonus max bet. Bonus funds must be used within 30 days, and spins within 10 days. T’s&C’s and affordability checks apply. BeGambleAware.org
100% up to 50 Mega Spins With First Deposit.
Terms Apply. 18+ only. First Deposit Only. Game: Spina Colada, Spin Value: £1, Max Mega Spins: 50. WR 60x free spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonuses do not prevent withdrawing deposit balance. BeGambleAware.org
Free Spin Offers
If you’ve read our slot reviews, you’ll know you can trust us to tell you if a slot is worth playing. We use the same approach with our free spins casino offers, and unlike other sites, we don’t recommend countless brands. Instead, we only promote the casinos where we love to play and feature only those that offer the best free spin bonuses. All our featured casinos are trusted brands, all are UK-licensed, and all have fast payouts.
Free Spins on Sign-Up
Online Slot Master will point you in the right direction for the best online casinos that offer the best free spin deals on sign-up. If you’re looking for enticing deposit bonus offers to go with your free spins, we’ve got you covered. Finding your favourite online casino is ultimately a matter of preference, and will probably end up depending on how often you win! However, there can be much more to it when choosing where to spend your money, with great customer service and fast payouts being amongst the top factors that we look for when determining the very best slot sites.
The Best Slot Sites
All the casinos we feature at Online Slot Master must tick our boxes on quality. For example, we will never list any casinos in our top 10 that are not licensed with the UK Gambling Commission. In fact, the casinos we recommend will invariably hold many more licenses, and will also be independently audited. We only want to play at the top online casinos that are fair and transparent, so we will only recommend those who are. As slot lovers, we narrow it down further and only recommend the best slot sites with the best free spin offers.
All of our top 10 online casinos will have state-of-the-art encryption. This is not only important for your transactions, but also for your privacy. If a casino isn’t up to scratch in that regard, then they won’t be listed here. Finally, we expect all the casinos we list to protect their players with robust responsible gambling measures. Playing slots should be fun, and we won’t recommend anywhere that doesn’t have protection measures in place.
New Casino Free Spins
Picking the best online casino for free spins will often be influenced by the sign-up bonuses they offer. Many of our new UK casino free spin offers match your first deposit up to a certain amount, and you will still get your free spins. You should also look out for casinos that have wager-free bonuses. PlayOJO ranks as one of the best at Online Slot Master because their free spins come without the usual wagering requirements. This makes them great if you’re new to online casino play, or if you simply can’t be bothered working out how much you need to play before you cash out.
Right now, you can get 80 Free Spins on Book of Dead, or why not take advantage of our new casino free spins offers at Masked Singer UK, and Turbonino where you can get 100 free spins on Masked Singer UK Slot, or 100 free spins on Thor- The Trials of Asgard.
Cashback
It’s often worth looking beyond the initial sign-up bonuses at any online casino. Some of the best UK casino offers will also reward player loyalty. Videoslots features in our top online casino list because they offer a weekend booster where a proportion of your weekly deposits are returned to you as cashback. Other casinos offer similar incentives, and if you can’t see the offer immediately, it’s always worth asking via their online chat. Long before we started Online Slot Master, we would often just ask customer service for a bonus and they would oblige in a lot of cases as a reward for loyalty. In short, remember that no matter which online casino you play at, they will always want to keep your custom so don’t be shy in asking for bonuses!
Free Spins on Registration
All of the casinos we feature will offer free spins on registration. Simply sign-up, make a deposit and the free spins are yours. You need to check the terms and conditions for each casino free spin offer, but most will match your first deposit with bonus cash too. For example, you can get 30 free spins on Reactoonz and up to £100 deposit match at Play Grand. Meanwhile, 50 free spins on the smash hit Big Bass Splash are yours at Leo Vegas where they’ll also match your initial deposit up to £100.
Transparency & Accuracy
Online Slot Master brings you the very best online casino bonuses. We use affiliate links to promote the brands, and they pay us a commission if you use our links. This is at no cost to you and it ensures we can carry on doing what we love.
When displaying the offers, every effort is made to ensure accuracy. However, offers and conditions can change at short notice and we will not be held liable for any error or omissions, so please make sure you check the relevant terms and conditions before you play.
