Best Online Casino Bonuses

Here at CasinoTopsOnline.com we have listed the best Best Casino Bonuses for 2018, available to claim right away! Casino bonuses are one of the most attractive powers of online casinos when you’re looking to play without depositing your own funds, or simply to extend your playtime and increase your bets.

All the online casinos listed below are the best of the best, and we recommend them all. Please refer to the terms and conditions of each bonus before joining an online casino. Good luck!

  1. Mr Play Casino

    • EXC

      Exclusive Casino Bonus

    • New Zealand

      Valid for New Zealand

    • United Kingdom

      Valid for United Kingdom

    • Canada

      Valid for Canada

    • European Union

      Valid for Europe*

    200% Up To £500 Welcome Bonus + 20 Spins

    Bonus code: None

    18+ New Players only! Receive a 200% match up bonus up to €500 on first deposit. This bonus only applies for deposits of €10 or higher! All you need to do is just deposit the money in your Mr play.com account and you will receive the bonus instantly!

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  2. Genesis Casino

    • United Kingdom

      Valid for United Kingdom

    • Canada

      Valid for Canada

    • European Union

      Valid for Europe*

    • Mobile & Tablet Friendly

      Mobile & Tablet Friendly

    200% up to €1000 Bonus + 300 Free Spins

    Bonus code: WGEN2, WGEN3, WGEN4

    Bonus is spread over 4 separate deposits. 1st Deposit: 100% up to €100 + 300 Free Spins on Starburst. 2nd Deposit: 50% up to €300. 3rd deposit: 25% up to €300. 4th Deposit: 25% up to €300. Wagering requirements are 40x.

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  3. Spin Rider Casino

    • World

      Valid for World

    • United Kingdom

      Valid for United Kingdom

    • European Union

      Valid for Europe*

    200% up to $/€ 4500 + 50 Bonus Spins

    Bonus code: not required

    18+ New Players Only! Min. deposit of €/$20, max bonus bet is €/$5. 200% up to€/$3,000 on 1st dep., 40% up to €/$1,000 on 2nd dep., 80% up to €/$500 on 3rd dep. Bonus Spins must be used within 72 hours and wagering requirements are 35x

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  4. Casimba Casino

    • World

      Valid for World

    • United Kingdom

      Valid for United Kingdom

    • Canada

      Valid for Canada

    • European Union

      Valid for Europe*

    • Mobile & Tablet Friendly

      Mobile & Tablet Friendly

    Up to £6500 + 125 free spins

    Bonus code: not required

    200% up to £5000 + 50 free spins on your first deposit, 50% up to £1000 + 50 free spins on your second, and 75% up to £500 + 25 free spins on your third. Saying that this welcome bonus is generous would be an understatement. All free spins can be used on any NetEnt slot of your choice.

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  5. Spin Station Casino

    • HOT

      Hot Casino Bonus

    • rec

      Recommended Casino Bonus

    • World

      Valid for World

    • United Kingdom

      Valid for United Kingdom

    • Canada

      Valid for Canada

    • European Union

      Valid for Europe*

    200% up to $/€/£2000/ 20000 KR + 20 Free Spins

    Bonus code: not required

    Register a new account at SpinStation Casino today and enjoy a massive welcome bonus! 200% up to $/€/£2000 for EU, UK and Canada users and 20000 KR for Norwegian and Swedish + 20 Free Spins on Starburst when you place your first deposit. On your second deposit, get 50% up to $/€/£500 or 50% up to 500kr + 50 free spins on Gonzo's Quest. Get 75% up to $/€/£500 or 75% up to 5000kr + 30 free spins on Themepark: Tickets of Fortune when you make your third deposit. Be sure to read to the full terms and conditions before signing up.

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  6. BGO Casino

    • HOT

      Hot Casino Bonus

    • rec

      Recommended Casino Bonus

    • United Kingdom

      Valid for United Kingdom

    • Canada

      Valid for Canada

    • European Union

      Valid for Europe*

    • Mobile & Tablet Friendly

      Mobile & Tablet Friendly

    Up to 50 Fair Spins No Wager on your 1st Deposit

    Bonus code: not required

    Make a first deposit of €/£10 or more and receive 1 free spin for every £/€1 up to £50, no strings attached. No maximum winnings and no wagering requirements. Spins can be used on Starburst, Finn and the Swirly spin, The Legend of Shangri-La: Cluster Pays, Aloha! Cluster Pays

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  7. SlotsMillion Casino

    • New Zealand

      Valid for New Zealand

    • United Kingdom

      Valid for United Kingdom

    • Canada

      Valid for Canada

    • European Union

      Valid for Europe*

    • Mobile & Tablet Friendly

      Mobile & Tablet Friendly

    100% up to €/$100 | SEK1000 | NOK3000 + 100 Free Spins

    Bonus code: not required

    Register at SlotsMillion casino today and receive 100% up to €/$100 | SEK1000 | NOK3000 + 100 Free Spins, on your first deposit. You will get 20 free spins each following day for the next 5 days. Bonus expires after 7 days. Terms and Conditions apply.

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  8. LeoVegas Casino

    • HOT

      Hot Casino Bonus

    • United Kingdom

      Valid for United Kingdom

    • Mobile & Tablet Friendly

      Mobile & Tablet Friendly

    225% up to $/€ 700 on first 4 deposits

    Bonus code: not required

    Join the award winning UK mobile casino LeoVegas today and receive 225% up to $/€ 700 in deposit match bonuses. Bonus works as follows: On your first deposit get 100% up to €50. 2nd deposit: get 50% up to €150. 3rd deposit: get 50% up to €200. 4th deposit: get 25% up to €300. Wagering requirements are 35x.

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  9. Voodoo Dreams Casino

    • HOT

      Hot Casino Bonus

    • Canada

      Valid for Canada

    • European Union

      Valid for Europe*

    • Mobile & Tablet Friendly

      Mobile & Tablet Friendly

    $/€ 1000 + 200 FREE Spins Package

    Bonus code: not required

    Register at Voodoo Dreams casino today and receive up to $/€ 1000 + 200 Free Spins! Get started with 20 No Deposit free spins on Starburst, Lights or Aloha. 1st deposit - 100% (up to €100) + 180 free spins, 2nd deposit - 100% (up to €300), 3rd deposit - 50% (up to €300) and 4th deposit - 50% (up to €300). Players residing in Canada are not eligible for free spins promotions on NetENT slots.

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  10. ShadowBet Casino

    • HOT

      Hot Casino Bonus

    • United Kingdom

      Valid for United Kingdom

    • Mobile & Tablet Friendly

      Mobile & Tablet Friendly

    €1000 Welcome Package + 200 Free Spins

    Bonus code: not required

    Register at Shadow Bet casino today and receive amazing welcome bonus package up to €1200 + 10 free spins every weekend for a whole year. 1st deposit - 100% (up to €300), 2nd deposit - 50% (up to €400) and 3rd deposit - 25% (up to €500). Play the exclusive Shadow Treasures game and you can win from 5 to 50 Free Spins with no wagering requirements. Play you free spins on the following NetENT games: Attraction, Lights, Pyramid: Quest for Immortality and Starburst.

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  11. Guts Casino

    • HOT

      Hot Casino Bonus

    • Canada

      Valid for Canada

    • Mobile & Tablet Friendly

      Mobile & Tablet Friendly

    10 No Deposit Spins + 100% up to CAD $500 + 100 Wager Free Spins

    Bonus code: CA500

    Register at Guts casino today and receive new and improved welcome bonus package for Canadian players. 10 No Deposit Spins + 100% up to CAD $500 + 100 Wager Free spins on Book of Dead slot! Canada exclusive welcome offer!

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  12. Videoslots Casino

    • EXC

      Exclusive Casino Bonus

    • HOT

      Hot Casino Bonus

    • Norway

      Valid for Norway

    • Sweden

      Valid for Sweden

    • United Kingdom

      Valid for United Kingdom

    • Canada

      Valid for Canada

    • European Union

      Valid for Europe*

    • Mobile & Tablet Friendly

      Mobile & Tablet Friendly

    100% Deposit Bonus up to £/€ 200 and £/€10 extra cash on your first deposit + 11 Welcome spins

    Bonus code: not required

    Register at Videoslots casino today and receive 100% up to £200 Package Bonus + 11 Welcome Spins and £10 extra cash on your first deposit. Welcome Spins will be accredited to newly registered players.

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  13. PlayOJO Casino

    • HOT

      Hot Casino Bonus

    • United Kingdom

      Valid for United Kingdom

    • Canada

      Valid for Canada

    • European Union

      Valid for Europe*

    • Mobile & Tablet Friendly

      Mobile & Tablet Friendly

    Up to 50 Free Spins No Wagering Bonus

    Bonus code: not required

    Register at PlayOJO casino today and receive unique welcome bonus on your first deposit! For every $/€ 1 deposited you’ll earn 1 free spin up to 50 free spins with no wagering requirements. All winnings from free spins are paid in your account as real Cash! No delays, No fuss, No wagering - Enjoy!

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  14. Dunder Casino

    • HOT

      Hot Casino Bonus

    • United Kingdom

      Valid for United Kingdom

    • Canada

      Valid for Canada

    • European Union

      Valid for Europe*

    • Mobile & Tablet Friendly

      Mobile & Tablet Friendly

    20,000 Free Spins + more… XMAS Special

    Bonus code: not required

    Make it to Number 1 this holiday season on Dunder’s leaderboard and win fantastic prizes every day. Only in December: up to 200 free spins daily*, up to €500 cash prizes weekly + Rolex watch, 5x iPhone 7’s, Dream Vacations and… Deposit a minimum of €20 and you’re automatically entered into the draw.

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Get the Best Online Casino Bonus

When it comes to selecting your next online casino it is important to ensure that you are going to not only get to play the games you love, and will receive excellent customer service but more importantly that you get the best casino bonuses to suit your wallet and your gameplay.

One of the major advantages of playing online, over playing at land based casinos, is the absolute abundance of top casino bonuses. When selecting your casino be sure to look at which brands offer multiple sign up offers such as free spins plus a deposit bonus, or deposit bonuses on several deposits.

While they can’t offer a hotel room or free drinks to anyone the world class online casinos we review offer regular casinos bonuses for most days of the week, free-to-play tournaments and even high-value competitions where it is possible to win fully paid overseas vacations!

These top casinos will also have customer service representatives 24 hours a day, 7 days a week to assist you with any questions you may have. They are experts in all aspects of their casino brands, from how to change your password to what the biggest casino bonuses are that you can claim that day. 

Check out our Bonus Guide if you’re new to casino bonuses.