The Online Casino Bonus Codes Welcome Bonus

  • 100% UP TO £100 + 20 SPINS

    Wagering: 50X
    Min deposit: £10
    More details
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    Important Terms
    • 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.
    Should 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. -
  • Bonus Email Only by email

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The Online Casino Bonus Codes Free Spins on Deposit

  • 20 FREE SPINS ON 1ST DEPOSIT

    Wagering: 50X
    Min deposit: £10
    More details
    Bonus info
    Min deposit£10
    Wagering50X (Winnings)
    Max cashout£20
    Spins20
    Valid only for gamesBook of Dead
    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. -

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  • 150% UP TO £150 + 75 FREE SPINS AT CASINO KINGS

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    Offer Verdict

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    Important Terms
    • Ensure your registration is complete and all required documents are submitted.
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    Min deposit: £20
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    Important Terms
    • No maximum cashout stated
    • Spins available at Book of Dead slot
    • Wager your deposit before getting the deposit funds
    Bonus Verdict

    Our specialists recommend KnightSlots Casino’s 100% deposit bonus to all new UK players. For a small deposit of £10, you get to play with double funds, and you also get free deposit spins at one of the most popular games. The wagering and registration process are transparent and easy to follow. New players can try out various games with the initial deposit, but we strongly recommend using the funds only at slot games with 100% wagering contribution.

    KnightSlots Casino has a UKGC license and high inscription protocols. The casino offers over 1000 slot games with multiple jackpot titles and additional perks to active players. We rate the casino high because of the safety and multiple promotions available.

    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 -
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    150% UP TO £150 + 75 FREE SPINS AT CASINO KINGS

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The Online Casino Bonus Codes User Reviews

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The Online Casino Bonus Codes Bonus Codes Quick Facts

Min deposit£10
Welcome Bonus100% Up To £100
No depositNo
Reload bonusesNo
Payment methods
Currencies

Wagering contribution

Game categoryGame contribution
Video Poker, Table games, Craps, Blackjack, Baccarat, Roulette, Jackpots, Live casino, Scratchcards, Keno, Bingo, Arcade , 5-Reel Slots, Sic Bo, Poker0 %
Classic Slots, Slots100 %

Payment Options for The Online Casino Bonus Codes

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MasterCard
PayPal
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Boku
Neosurf
Pay By Mobile
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PayZ
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Apple Pay

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.

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.

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Authors
Adela Mariuta
AuthorAdela MariutaAuthor & Editor at CasinoAlpha

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.

+3 years
Tudor Turiceanu
ReviewerTudor TuriceanuCEO & Chief Editor at CasinoAlpha

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.

+14 years