Casino Bonuses: Everything You Need To Know
Casino bonuses come in many shape and sizes and almost all online casinos offer them to customers. If you have ever wondered why a casino would give you something for free, then sure, we would also wonder what the catch is too! But, the truth be told is that casinos offer bonuses for a couple of different reasons.
Why Are There Casino Bonuses?
Ultimately, online casinos are looking to attract you to their casino over any another casino which would be their competitor. Obviously, there are more things to look for when you are choosing a new casino to play at but one of them is the casino bonuses they offer and that’s what we’re going to focus on right now.
Below we list the different kinds of casino bonuses you’ll likely to encounter on your casino journey, some might be more suitable to you than others but they’re all there for the taking and up for grabs. Also, let us just add, below we also list only the top, most recommended online casinos and ones which also have a UK gambling license.
The team here at onlineslot.org.uk have tried and tested each casino that we recommend and they have passed our merit with flying colours! Seriously though, we have run checks on their banking systems, how fast we were able to withdraw, check the game choice, customer service, bonuses, reputation, parent company, negative news, and hidden information such as wagering requirements – you name it, we checked and came up with a list below of the few best casinos that made the cut. We did have a bit of fun checking them out of course!
Latest Casino Bonuses September 2025
247 Bet
Bonus: 1st Deposit up to £247
Bonus Spins: 100 free spins + 1 Scratchcard
Games Applicable: Big Bass Splash
licensed by: UKGC
Minimum Deposit: £20
247 Bet Terms and Conditions: . New players only. One offer per playerMin deposit £20. Max bonus bet £5. Offer: 100% bonus match on 1st deposit up to £247 + 100 free spins + 1 Scratchcard. Minimum wagering of £20 required to unlock the scratchcard, details & terms sent via inbox. Free spins expire in 72h, winnings capped at £100, credited as cash and are immediately withdrawable. Bonus funds expire in 30 days and are subject to 25x wagering the total bonus & deposit. Only bonus funds count towards wagering contribution. Affordability checks and 18+ T&C's | GambleAware® #AD.
Midnite Casino
Bonus: Get 100 No Wagering Free Spins
Promotions: No Wager Bonus
Games Applicable: Big Bass Splash
Bonus Code: BETGETCASINO
licensed by: UKGC
Minimum Deposit: £20
Midnite Casino Terms and Conditions: New customers only. Opt in and wager £20 or more on selected games(Monopoly Megaways, Big Bass Splash, Big Bass Secrets of the Golden Lake, KKC Even Bigger Bananas, Fishing Frenzy Big Catch) within 14 days of registration. Get 100 Free Spins for selected games, valued at 10p and valid for 7 days. T&Cs apply. BeGambleAware.org 18+ T&C's | GambleAware® #AD.
Blackjack City
Bonus: Welcome Bonus up to £300
Bonus Spins: 25 Bonus Spins on Starburst
Games Applicable: Starburst Slot
licensed by: UKGC
Minimum Deposit: £20
Blackjack City Terms and Conditions: 18+. New players only. Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Winnings from Bonus spins credited as bonus funds and capped at £100. Bonus funds expire in 30 days, unused bonus funds will be removed. Welcome Offer is 100% match up to £300 + 25 bonus spins on your 1st deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus & cash. Only bonus funds count towards wagering contribution. Affordability checks apply. Terms apply. Please Gamble Responsibly. BeGambleAware.org 18+ T&C's | GambleAware® #AD.
Dream Vegas Casino
Bonus: 100% up to £300 Match Bonus
Bonus Spins: 150 Bonus Spins
licensed by: UKGC
Minimum Deposit: £20
Dream Vegas Casino Terms and Conditions: 18+. New players only. One offer per player. Max bonus bet £5. Offer: 100% bonus match on 1st deposit + bonus spins. Value of bonus & number of spins depend on deposit amount: £20-£100: max £100 bonus + 50 spins on selected games; £101-£200: max £200 bonus + 100 spins on selected games; or £200+: max £300 bonus + 150 spins on eligible NetEnt Games. Winnings from spins credited as bonus and capped at £100. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds contribute to wagering requirement. Bonus funds expire within 30 days; bonus spins within 72hrs. Affordability checks apply. Terms apply. Please gamble responsibly. BeGambleAware.org. 18+ T&C's | GambleAware® #AD.
Grand Ivy Casino
Bonus: Welcome Bonus up to £300
Bonus Spins: 25 Free Spins
Games Applicable: Starburst Slot
licensed by: UKGC
Minimum Deposit: £20
Grand Ivy Casino Terms and Conditions: 18+. New players only. Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Winnings from Bonus spins credited as bonus funds and capped at £100. Bonus funds expire in 30 days, unused bonus funds will be removed. Welcome Offer is 100% match up to £300 + 25 bonus spins on your 1st deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds count towards wagering contribution. Affordability checks apply. Terms apply. BeGambleAware.org. FULL TERMS IN FOOTER BELOW 18+ T&C's | GambleAware® #AD.
Monopoly Casino
Bonus: Play £10, Get 30 Free Spins*
Games Applicable: Paradise Mansion
licensed by: UKGC
Minimum Deposit: £10
Monopoly Casino Terms and Conditions: *New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit.18+. Free Spins: on MONOPOLY Paradise Mansion. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. GambleAware.org #AD 18+ T&C's | GambleAware® #AD.
Spinyoo Casino
Bonus: 100% up to £250 Slots Bonus
Bonus Spins: 100 Bonus Spins
Games Applicable: Big Bass Splash
licensed by: UKGC
Minimum Deposit: £20
Spinyoo Casino Terms and Conditions: 18+. New players only. Min Dep £20. Max Bonus Bet £5. Offer: 100% of 1st deposit up to £250 on Slots + 100 Yoo Spins on Starburst, Book of Dead, Fire Joker, Gonzo’s Quest, and Big Bass Bonanza, respectively (first 20 credited immediately upon first deposit; rest credited at 07:00 GMT at 20/day). Spins expire after 23:59GMT on day they’re credited. Winnings from each 20 spins capped at £50 & credited as bonus. Bonus funds expire after 30 days, are separate to Cash funds, & subject to 35x wagering of bonus + deposit amounts. Only bonus funds contribute to wagering requirements. Affordability checks apply.. Full Terms Apply. BeGambleAware.org 18+ T&C's | GambleAware® #AD.
Casushi Casino
Bonus: Get 20 No Wager Bonus Spins
Promotions: No Wager Bonus
Games Applicable: Big Bass Splash
licensed by: UKGC
Minimum Deposit: £10
Casushi Casino Terms and Conditions: 18+. Only available to new players. Minimum £10 first deposit required. 20 Bonus Spins on Big Bass Splash. No Wagering Requirements. Winnings credited directly to cash balance. Neteller and Skrill deposits excluded. Expiry: bonus spins expire 2 days after deposit. Further terms apply. 18+ T&C's | GambleAware® #AD.
Double Bubble Bingo
Bonus: Deposit £10 Play With £50 Bingo
Promotions: no wager bonus
Bonus Spins: or 50 Free Spins
Games Applicable: Double Bubble
licensed by: UKGC
Minimum Deposit: £10
Double Bubble Bingo Terms and Conditions: New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit. Free Spins: on Double Bubble. Spins value: 20p each. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. 18+. **£10 lifetime deposit required. 18+ T&C's | GambleAware® #AD.
Casimba Casino
Bonus: Welcome Bonus 100% up to £200
Promotions: Welcome Bonus
Bonus Spins: 50 Bonus Spins
Games Applicable: Book of Dead
Wager Requirement: 35x (bonus + deposit)
licensed by: UKGC
Minimum Deposit: £20
Casimba Casino Terms and Conditions: 18+. New players only. Min deposit £20. Max bonus bet £5. Bonus spins on selected game only and must be used within 72hrs. Winnings from Bonus spins credited as bonus funds and capped at £100. Bonus funds expire within 30 days. Offer is 100% bonus match up to £200 + 50 Bonus spins on your 1st deposit, and 50% bonus match up to £50 on your 2nd deposit. Bonus funds are separate to cash funds & subject to wagering requirement (35x deposit + bonus). Only bonus funds contribute towards wagering requirement. Affordability checks apply. Terms apply. Please gamble responsibly. 18+ T&C's | GambleAware® #AD.
SpinRider Casino
Bonus: 100 Bonus Spins on Big Bass Splash On Your 1st Deposit
licensed by: UKGC
Minimum Deposit: £20
SpinRider Casino Terms and Conditions: 18+. New players only. Min. deposit £25. Max. bonus bet is £5. Welcome offer is 100 bonus spins on Big Bass Splash on your 1st deposit. Winnings from Bonus spins credited as bonus funds and capped at £100. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds count towards wagering contribution. Bonus funds must be used within 30 days, spins within 72hrs. Affordability checks apply. Terms apply. Please gamble responsibly. BeGambleAware.org. 18+ T&C's | GambleAware® #AD.
Playzee Casino
Bonus: Welcome Bonus up to £300
Promotions: low wager bonus
Bonus Spins: 100 Bonus Spins
Games Applicable: Big Bass Splash
Wager Requirement: 35
licensed by: UKGC
Minimum Deposit: £20
Playzee Casino Terms and Conditions: 18+ New players only. Min Dep £20. Max Bonus Bet £5. Offer: 100% of 1st deposit up to £300 + 100 Zee Spins on Starburst (first 10 credited on 1st deposit; rest credited at 07:00GMT at 10/day) + 500 Zee Points. Spins expire after 23:59GMT on day they’re credited. Winnings from each 10 spins capped at £50 & credited as bonus. Bonus funds expire after 30 days, are separate to Cash funds, & subject to 35x wagering of bonus + deposit amounts. Affordability checks apply. Full Terms Apply Play Responsibly. BeGambleAware.org 18+ T&C's | GambleAware® #AD.
Rainbow Riches Casino
Bonus: Offer: Play £10, Get 30 Free Spins*
Games Applicable: Rainbow Riches Slot
licensed by: UKGC
Minimum Deposit: £10
Rainbow Riches Casino Terms and Conditions: New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit.18+. Free Spins: on Rainbow Riches. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. GambleAware.org #AD 18+ T&C's | GambleAware® #AD.
PlaySunny Casino
Bonus: Get 20 No Wagering Free Spins
Promotions: no wager bonus
Games Applicable: Big Bass Splash
Wager Requirement: None
licensed by: UKGC
Minimum Deposit: £10
PlaySunny Casino Terms and Conditions: 18+. Only available to new players. Minimum £10 first deposit required. 20 Bonus Spins on Big Bass Splash. No Wagering Requirements. Winnings credited directly to cash balance. Neteller and Skrill deposits excluded. Expiry: bonus spins expire 2 days after deposit. Further terms apply. 18+ T&C's | GambleAware® #AD.
Kwiff Casino
Bonus: Get 200 No Wagering Free Spins
Promotions: No Wager Bonus
Bonus Spins: 200 Bonus Spins
Games Applicable: Book of Dead
Wager Requirement: None
licensed by: UKGC
Minimum Deposit: £20
Kwiff Casino Terms and Conditions: UK CASINO WELCOME OFFER: Grab up to 200 Free Spins on Book of Dead! Wager £20 on slots and Get 40 Free Spins for five consecutive days. 18+ new customers only. £20 stake on slots each day within 5 days of 1st deposit to qualify. £0.1 Spins on Book of Dead. £250 total max withdrawal. Full T&Cs apply 18+ T&C's | GambleAware® #AD.
Prime Casino
Bonus: Welcome Bonus up to £50
Promotions: Low Wager Bonus
Wager Requirement: 30x (bonus + deposit)
licensed by: UKGC
Minimum Deposit: £10
Prime Casino Terms and Conditions: Automatically credited upon deposit. 1st Deposit (min £10) only. Max Bonus £50. WR 30x Deposit + Bonus amount (Slots count 100% and any other game 10%) within 30 days. Max bet is 10% (min £0.1) of the Bonus amount or £5 (lowest amount applies). Bonus Policy applies. 18+ T&C's | GambleAware® #AD.
Peachy Games
Bonus: Get 20 No Wager Free Spins
Promotions: no wager bonus
Games Applicable: Big Bass Splash
licensed by: UKGC
Minimum Deposit: £10
Peachy Games Terms and Conditions: 18+. Only available to new players. Minimum £10 first deposit required. 20 Bonus Spins on Big Bass Splash. No Wagering Requirements. Winnings credited directly to cash balance. Neteller and Skrill deposits excluded. Expiry: bonus spins expire 2 days after deposit. Further terms apply. 18+ T&C's | GambleAware® #AD.
Duelz Casino
Bonus: Weekly No Wager Cashback Bonus
Promotions: cashback bonus
Bonus Spins: 100 Bonus Spins
Games Applicable: Book of Dead
licensed by: UKGC
Minimum Deposit: £20
Duelz Casino Terms and Conditions: 18+. New players in GB only. 100% deposit bonus up to £100. Min. deposit: £20. Max Bonus wins: £500. Max bet with active bonus: £2. Wagering requirement: 30x sum of deposit + bonus. 100 Free Spins applicable to Book of Dead only: 20 Free Spins per day for 5 days. Daily login required. Maximum Free Spins winnings: £100. Winnings credited as bonus money with a 45x wagering requirement. Game restrictions apply. Games contribute differently when wagering a bonus. First deposit only, no expiration date. Deposit bonus expiration: 30 days if not wagered. Free spins expiration: 3 days. One bonus per person/address/device/IP. Own payment methods only. www.gambleaware.org Full T&Cs apply 18+ T&C's | GambleAware® #AD.
Jackpot Village Casino
Bonus: Deposit £20 get 200 Free Spins
Promotions: First Deposit Bonus
Bonus Spins: 200 Bonus Spins
Games Applicable: Book of Dead
Wager Requirement: 40x (bonus + deposit)
licensed by: UKGC
Minimum Deposit: £20
Jackpot Village Casino Terms and Conditions: 18+ . New players only. Min. dep £20. Max. bonus bet £5. 200 Bonus spins on Book of Dead on your 1st deposit. Winnings from all spins credited as bonus funds and capped at £20. Bonus funds are separate to Cash funds & subject to wagering requirement (40x deposit plus bonus). Only bonus funds contribute towards wagering requirement. Bonus funds must be used within 30 days, spins within 72hrs. Affordability checks & Terms apply . Please play responsibly. BeGambleAware.org . 18+ T&C's | GambleAware® #AD.
Free Spins Bonuses: Explained
Free spins or free rounds is the name given to a bonus where a casino will give you literally a number of free spins on any online video slot. Sometimes they are really free and all you’ll need to do is register an account at said casino and they will be credited in your account. Some offer free spins when you will get them as a free addition, when you make your first deposit. Either way - they are free and something you can use to try a new casino out before you play for real or perhaps try a new slot.
Usually free spins bonuses are also given to existing casino customers as well, for example when there is a new slot launched and the casino want to try them out.
Free spins are considered free but the online casino would need to cover themselves a bit from risk, so they set what’s called ‘Wagering Requirements’ on the free spins (apart from Thrills and Guts Casino who have wager free spins!). Usually a normal wagering requirement are around x35 of bonus amount, but always check the small terms and conditions before you start so you know what to expect if you win something.
Casino Deposit Match Up Bonus: Explained
A casino match up bonus is by far one of the best casino bonuses you can take and the way they work is they reward you when you put money into a casino – commonly known as making a deposit! They are usually a percentage and then a maximum currency amount, say for example: 100% up to £100.
This means that when you deposit £100, the casino will match it (up to a maximum €100) and give you another hundred in bonus money. Now, you might be asking why! Would a casino do that? Give away free money like that? But the answer is simple... They want you to be able to play for longer, make you money go farther and also bet how you want.
Some slots sometimes need a higher bet to get into bonus round, like for example, Mega fortune. Also, some slots have a high volatility rate so they may eat you bankroll for longer periods of time without a win, but when you win – you’ll win big. The casino bonus is designed to help you and cut your risk of losing your money as well, so it is a win-win situation. There is a catch of course which all casinos are only happy to disclose and tell you about.
They are giving you away real cash money but they have to protect themselves too. Imagine if everyone could win a fortune at their expense, from these casino bonuses? The way they protect themselves is by attaching wagering requirements to these bonuses. Most of them work in the way of the formula: Deposit + Bonus x 35 = which is the magic number you’ll need to wager (bet for) until any restrictions are lifted and you’ll be allowed to withdraw any of your winnings you’ve made by claiming their bonus.
It’s very popular bonus and there’s nothing else to it. Casino Bonuses are there to help you. Do always read all terms and conditions before you start, our recommended casinos only carry the best and fair terms and conditions. If you are still unsure, all casinos welcome you to contact their customer support department o ask any question you like – they’ll be able to put your mind at ease.
Free Cash Bonuses: What You Need To Know
Free casino bonuses are a bit rarer these days as most free bonuses are given in the form of free spins. However, some casinos do still offer free cash bonuses and they usually are credited when you register an account. Usually free cash bonuses have the aforementioned wagering requirements attached to them, so always read the terms and conditions before you start.
Having said that, it’s always good to view free casinos bonuses as a bit of real fun and not something to make you rich as the free bonuses are usually a smaller amount, for example €5. But, it is a good way to test a new casino for real.
You never know though, wins can happens from free spins and free bonuses. There was a winner on Mega Fortune one time in 2011, who won his fortune from a free casino bonus. Of course, he had some wagering requirements to fill, but then I don’t think it would have been a problem to fulfil them!
Reload Bonuses: Explained
It’s usual that loyal casino players regularly enjoy ‘reload’ bonuses that casinos offer from time to time. These are straight forward bonuses like the deposit bonuses but act like follow bonuses every so often.
VIP Program – Get Spoiled For Being Loyal, It's that Simple!
Lastly, almost every casino will offer a VIP program or loyalty rewards. Whatever you want to call them, the aim is to offer players extra bonuses and promotions for their loyalty.
These days, almost every player is rewarded and awarded on a scale. In our opinion, the best casinos offer this type of program, thus not to single any player out. We’re all different, aren’t we? Suffice to say, the more you play the more you get back as with any loyalty system.
High roller casino bonuses are also up for grabs so if you are a high roller, then look out and inquire about a casinos VIP program and their high roller bonuses so you get the most out of your bankroll and the best service you deserve too.