- This bonus is only available when claimed through our designated link.
- Minimum deposit required: £10.
- Bonus includes 100% match up to £100 and 20 free spins on Book of Dead.
- Wagering applies only to bets made using bonus funds.
- Bonus is valid for 30 days, free spins valid for 7 days.
- Skrill deposits are excluded from the offer.
The Online Casino Bonus Codes Welcome Bonus
- ReportMore detailsBonus info1st deposit100% Up To £100Deposit spins20 Spins on DepositImportant TermsShould you claim this bonus?
The Online Casino’s welcome bonus gives you a 100% match up to £100 and 20 spins on Book of Dead for just a £10 deposit. While the offer is easy to claim, the 50x wagering on both the bonus and spins is quite high, making it harder to withdraw real winnings. You’re also limited to a £20 max cashout from spin wins, and Skrill users can’t claim this deal.
New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt/Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply. - T&C Apply, 18+
Get 100 Free Spins No Deposit
This offer can only be claimed by subscribing.
We keep your email private. It's only used to send promotions. Subscribing means you agree to receive them.
The Online Casino Bonus Codes Free Spins on Deposit
- ReportMore detailsBonus infoMin deposit£10Wagering50X (Winnings)Max cashout£20Spins20Valid only for gamesBook of DeadNew Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt/Free spins valid 7 days from receipt. Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply. - T&C Apply, 18+
Best Alternatives for The Online Casino Bonus Codes
- ReportMore detailsBonus info1st deposit100% Up To £100Deposit spins50 Spins on Deposit
- The value of the bonus received is dependent on how much you choose to deposit;
- You get the 150 Free Spins for any sum larger than £20.
Should you claim this bonus?We rate this bonus as highly rewarding, therefore we recommend it to all UK players. Earnings resulting from Extra Spins will be capped at £100. Deposit funds, bonus funds, and earnings from Extra Spins are subject to 35 times wagering requirements. The match deposit you can get depends on the sum you add, but you still get more funds to play no matter what.’
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 - T&C Apply, 18+ - ReportMore detailsBonus infoMin deposit£10Wagering40X (Deposit)Max cashoutN/AShould you claim this bonus?
Our team of experts at CasinoAlpha rate this 21.co.uk casino bonus as poor due to the fact that the value of £50 is very low compared to other bonuses. On top of that, the wagering requirements of 40x are higher than average, which we don’t appreciate.
Full T&Cs apply. New players only. 7 days to opt in and deposit £10+ with a further 7 days to wager 40x on Live casino. Wagering contributions vary. Max cash reward: £50. £6 bonus has 3 day expiry to use on selected Evolution games. 10 x winnings from £6 bonus. 18+. BeGambleAware.org - T&C Apply, 18+ - ReportMore detailsBonus info1st deposit50% Up To £50Deposit spins20 Spins on DepositShould you claim this bonus?
We recommend this ZetBet Casino bonus. To qualify, you simply need to open an account and deposit at least £10. The bonus must be wagered within 21 days before expiring, but you can withdraw your initial deposit amount while forfeiting winnings and the bonus. While maximum extra spins payouts are capped at £100, this is an easy to claim offer that effectively doubles your bankroll. We recommend opting in, while keeping in mind the expiry deadline and withdrawal limitations.
Reload Offers2nd Deposit25% Up To £753rd Deposit25% Up To £75This offer is available to players residing in United Kingdom only. New depositing players only. Min. deposit £10. Bonuses that require deposit, have to be wagered 35x. Deposits may be withdrawn before a player’s wagering requirements have been fulfilled. However, if this occurs, all bonuses and winnings will be voided/removed from the player’s account - T&C Apply, 18+
Sister Sites
- 8.5Recommended
100% UP TO £1000 + 50 FREE SPINS AT WATCHMYSPIN CASINO
Code:WMS50
CopiedNew Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt. Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Minimum deposit €/£/$25 - T&C Apply, 18+ - 8.5Recommended
100% UP TO £200 + 20 FREE SPINS AT WATCHMYSPIN CASINO
Code:WMS01
CopiedNew Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt. Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. - T&C Apply, 18+ - 8.5Recommended
200% UP TO £100
Code:WMS03
CopiedNew Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt. Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits - T&C Apply, 18+ - 8.5Recommended
100% UP TO £150 + 10 FREE SPINS AT WATCHMYSPIN CASINO
New Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 days / Free spins valid 7 days from receipt. Max conversion: 3 times the bonus amount or from free spins: £20. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. - T&C Apply, 18+ - 7.0Fair
100% UP TO £200
New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt. Max conversion: 3 times the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. - T&C Apply, 18+ - 8.6Recommended
100% UP TO £100 + 20 FREE SPINS AT VEGAS MOBILE CASINO
Code:DEP20
CopiedNew Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 Days from receipt/Free spins valid 7 days from receipt . Max conversion: 3 X the bonus amount. Limited to 5 brands within the network. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms Apply. - T&C Apply, 18+
The Online Casino Bonus Codes User Reviews
Rate casino and write a review
Your feedback it's currently under review.
Your feedback it's currently under review.
The Online Casino Bonus Codes Bonus Codes Quick Facts
Min deposit | £10 |
Welcome Bonus | 100% Up To £100 |
No deposit | No |
Reload bonuses | No |
Payment methods | Visa, MasterCard + 10 more Payment methodsPayPalNetellerBokuNeosurfPay by phonePaysafecardPayZSkrillFast Bank TransferApple Pay |
Currencies | GBP, EUR + 4 more CurrenciesUSDCADJPYINR |
Wagering contribution
Game category | Game contribution |
---|---|
Video Poker, Table games, Craps, Blackjack, Baccarat, Roulette, Jackpots, Live casino, Scratchcards, Keno, Bingo, Arcade , 5-Reel Slots, Sic Bo, Poker | 0 % |
Classic Slots, Slots | 100 % |
Payment Options for The Online Casino Bonus Codes












The Online Casino Bonus Codes Review
The Online Casino earns a strong Alpha rating, thanks to its impressive game variety (over 2,600 slots and 80+ live titles), trusted UKGC and MGA licenses, and 12 responsible gambling tools. Its product quality scores a perfect 10/10, supported by 105 game providers and 24/7 live chat. However, the platform falls short in user trust and payout efficiency. The 50x wagering requirement, 3-day withdrawal timeline, and absence of verified user reviews drop its payment score. Additionally, the lack of dedicated app support and a weak FAQ section impact overall usability. In summary, The Online Casino stands out for its broad game selection, strong regulation, and 24/7 support, but cautious players may find its bonus terms, payout delays, and low user transparency worth a second look before diving in.

9.0/10 |
7.4/10 |
10.0/10 |
9.0/10 |
9.0/10 |
The Online Casino Bonus Codes Review Methodology
To assess TheOnlineCasino’s welcome offer, we took the full new-player route: opened a real account, deposited £10, and activated the 100% match bonus up to £100 plus 20 free spins on Book of Dead – only accessible through a dedicated promotional link. We confirmed that Skrill deposits are excluded, which could trip up some users. We closely monitored the 50x wagering requirement, which applies to both the bonus money and free spin winnings. The bonus validity (30 days) and 7-day expiry on spins were tested through continuous tracking of time-limited access. To verify enforcement, we played entirely with bonus funds and triggered the £20 max cashout cap on spins to see if it was strictly applied. All results came from real-time gameplay and transactions, ensuring our review reflects what actual players experience – not just the small print.
Review | Details |
---|---|
Reviewer | Adela Mariuta |
Last Bonus Test | 13 Days ago |
Last Bonus T&C Verification | 29 Days ago |
Wagering Requirement | Verified |
Expiration Date | Active |
Minimum Bet | Verified |
Maximum Bet | Verified |

Like a true player-first reviewer, Adela Mariuta translates the gambling industry's complexity into player-friendly roadmaps. While her PR degree taught her how casinos market themselves, her work at CasinoAlpha focuses on what they often hide: ethical gambling practices and self-exclusion tools that truly protect players. "It's not about winning—it's about knowing when to walk away" is what she’d like players to remember more often.

From addiction to advocacy, Tudor Turiceanu's 17-year journey through the gambling industry wasn't just professional—it was personal. As founder and Chief Editor of CasinoAlpha, Tudor transformed his own experiences into a mission: building the transparent gambling platform he needed when casinos failed to protect him. He oversees every aspect of CasinoAlpha's content ecosystem, ensuring it remains uncompromisingly honest even when that honesty is uncomfortable for operators.
Top 10 Casino Bonuses
Find the bonus that’s just right for you and get started!