Top Online Casino Reviews 2021

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Online Casino Reviews

Whether you’re a newbie in a world of gambling or a seasoned gambler looking for a great deal or casino review, you’ve stumbled upon the right place – the best online casino reviews are at your service!

Here at Slotozilla, we’ve gathered the expert reviews of the best online casinos and online casino games popular in the UK, the USA, Australia, Canada, and many European countries. Also, Playtech, Microgaming, NetEnt and many other casino games providers thoroughly reviewed by our team.

Moreover, all online gambling sites that we recommend offer an opportunity to win real money online casino for free thanks to their generous bonus offers. On our site, you will find the list of both top online casinos and brand new USA online casinos.

Top 5 Casinos of the month
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LiveRoulette Casino
4 bonuses up to €150
Terms & Conditions

18+. First 4 deposits of €10+. Certain deposit methods excluded. 4 bonuses available in chronological order. 40x playthrough within 14 days. Real money first when wagering the bonus. Available currencies are EUR and CAD. Conversion €1 = C$1. T&C apply.

4 bonuses up to €150
T&Cs apply
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Genesis Casino
€/$1000 + 300 Free Spins on Starburst
Terms & Conditions

Valid for new players. Only 18+. Deposits made via Neteller or Skrill are not eligible for Bonuses. Min. deposit $10. The max. bet: $5. Wagering requirements Bonus: x40. Max free spins winning $100. Spins paid 30 per day.

€/$1000 + 300 Free Spins on Starburst
T&Cs apply
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Playamo Casino
up to €/$100
T&Cs apply
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Casumo Casino
15 FS on signup + 100% up to CAD1800 + 100 FS
Terms & Conditions

*18+. New UK customers only. Opt-in required. 20 Bonus Spins on “Book of Dead” 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 or £50/round (live casino). 30 days expiry. T&C’s Apply. Please gamble responsibly • www.begambleaware.org

15 FS on signup + 100% up to CAD1800 + 100 FS
T&Cs apply
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Dunder Casino
100% deposit bonus up to £100
Terms & Conditions

Valid for new UK players. Only 18+. Minimum deposit: £20. 100% bonus up to £100 valid on first deposit only. Wagering on bonus: 80x. Wagering must be completed within 30 days. Max bonus bet £5. Bonus is valid for a total of 21 days. Game weighting, payment method and standard bonus terms apply.

100% deposit bonus up to £100
T&Cs apply
365 casinos
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Grand Fortune Casino
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Casino-X
200% up to €2000 + 20 free spins
T&Cs apply
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Supreme Play Casino
333% up to €/₤/$888
T&Cs apply
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Betway Casino
100% up to £250
T&Cs apply
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Play2Win Casino
300% up to 2222 €/₤/$ or 100% cashback
T&Cs apply
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21 Grand Casino
300% up to 2000€
T&Cs apply
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Casino La Vida
100% up to $/€450 + 50 free spins*
T&Cs apply
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Treasure Island Jackpots Casino
+222% up to $150
T&Cs apply
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7 Sultans Casino
100% up to $/€500 + 25 free spins*
T&Cs apply
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Platinum Play Casino
100% up to £200 + 25 free spins*
T&Cs apply
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Vegas Palms Casino
200% up to $/€100 + 50 free spins*
T&Cs apply
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Mermaid’s Palace Casino
222% up to $150
T&Cs apply
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Red Flush Casino
up to €700 free
T&Cs apply
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Royal Vegas Casino
€1200 FREE
T&Cs apply
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WinTingo Casino
100% up to $/€100 + 50 free spins*
T&Cs apply
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Grand Reef Casino
100% up to $5000 + 50 free spins*
T&Cs apply
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African Palace Casino
100% up to €500 + 50 free spins
T&Cs apply
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All Star Slots Casino
400% up to $4000
T&Cs apply
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Crazy Winners Casino
no welcome bonus
T&Cs apply
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Crazy Vegas Casino
$5100% up to $250 + free spins*
T&Cs apply
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Casino Estrella
100% up to €100
T&Cs apply
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Wizbet Casino
200% up to $400
T&Cs apply
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Mission2Game Casino
up to $888
T&Cs apply
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7 Spins Casino
25 free spins
T&Cs apply
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Slots Village Casino
25 free spins
T&Cs apply
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GoWild Casino
100% up to £333
T&Cs apply
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Thebes Casino
25 free spins
T&Cs apply
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Winward Casino
25 free spins
T&Cs apply
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Malibu Club Casino
$/€ 50 No Deposit Bonus
T&Cs apply
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ChipsPalace Casino
30%
T&Cs apply
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SlotsMillion
100% up to £20 on your 1st deposit + 100 bonus spins!
100% up to £20 on your 1st deposit + 100 bonus spins!
Terms & Conditions

New customers only. Min deposit £10. Bonus spins credited as follows: 40 spins upon first deposit, with additional 2×30 spins 24 and 48 hours thereafter. Spins coin value: £0.01; 35x wagering; 7 days/24 hours expiry for deposit match/bonus spins. Max stake and game restrictions apply. Full Ts & Cs apply. 18+. BeGambleAware.org

T&Cs apply
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7 Reels Casino
25 free spins
T&Cs apply
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NoBonus Casino
no welcome bonus, but 10% cashback!
T&Cs apply
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ParadiseWin Casino
100% up to €500
T&Cs apply
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Spin Palace Casino
100% up to $250
T&Cs apply
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Slots Plus Casino
400% up to $500
T&Cs apply
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Vegas Crest Casino
200% up to €1000 + 30 free spins*
T&Cs apply
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21 Dukes Casino
30 Free Spins on Sign Up
T&Cs apply
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Lucky Nugget Casino
150% up to $200 or 100% up to $1000
T&Cs apply
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Ladbrokes Casino
£50
T&Cs apply
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LimoPlay Casino
no welcome bonus
T&Cs apply
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High Noon Casino
200% up to $2000
T&Cs apply
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Las Vegas USA Casino
400% up to $3000
T&Cs apply
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AceKingdom Casino
up to £50
T&Cs apply
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Aladdin’s Gold Casino
200% up to $2000
T&Cs apply
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Club World Casino
300% up to $3000
T&Cs apply
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888 casino
100% up to £100
100% up to £100
Terms & Conditions

New players only. 18+. £20 min deposit. 100% up to £100 Bonus. Bonus wins are capped at £500. To withdraw bonus & related wins, wager x30 (bonus amount) within 90 days. Restrictions apply to deposit until wagering requirement fulfilled. Wagering req. vary by game. This offer may not be combined with any other offer.

T&Cs apply
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Lucky Red Casino
400% up to $4000
T&Cs apply
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Energy Casino
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T&Cs apply
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Grosvenor Casinos
£20
T&Cs apply
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River Belle Casino
100% up to $200
T&Cs apply
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Ruby Fortune Casino
100% up to €150
T&Cs apply
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Sun Palace Casino
400% up to $500
T&Cs apply
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Vegas Casino Online
400% up to $500
T&Cs apply
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Red Stag Casino
275% up to $550 + 100 free spins*
T&Cs apply
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NedPlay Casino
100% up to £100
T&Cs apply
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B-Bets Casino
120% up to €250 + 100 FS
T&Cs apply
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Golden Lounge Casino
no welcome bonus
T&Cs apply
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Dash Casino
no welcome bonus
T&Cs apply
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Gaming Club Casino
up to $200
T&Cs apply
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Mummys Gold
100% up to $500
T&Cs apply
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Casino.mx
150% up to $/€/£ 150
T&Cs apply
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Euromoon Casino
200% up to €1000
T&Cs apply
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Parklane Casino
200% up to €2000 + 100 Zero Wager Spins
T&Cs apply
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NetBet Casino
Pocket up to 500 Free Spins within 7 days! Use the bonus code 'NBWELCOME500' on your 1st deposit
Pocket up to 500 Free Spins within 7 days! Use the bonus code 'NBWELCOME500' on your 1st deposit
Terms & Conditions

New players only. 18+. £10+ deposit, no e-wallets/prepaid cards, up to 500 Free Spins, 40x Plt on Free Spins winnings. T&aCs apply

T&Cs apply

FAQs

What Are the Best Online Casinos That Payout In the USA?

Currently, the most popular online casinos in the USA are: Turning Stone casino online; Zone online casino; Sugarhouse online casino; Borgata online casino; Hard Rock casino online; Mohegan Sun online casino; Tropicana online casino.

How to Know if the Gambling Site Is Safe?

All licensed casinos guarantee that their sites are secure and players’ data are encrypted

What If I Play at an Online Casino That Doesn’t Have Any License?

Most probably, you won’t be able to withdraw your winnings from it.

How Do I Know if Players From My Country Are Allowed to Register and Play at a Particular Casino?

You can check the list of restricted countries on the T&Cs page or just ask a customer support manager about this.

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