Best Online Casinos 2021


21 casino is a well-known online gaming website where great promotions await such as no-deposit free spins when you sign up. An awesome welcome package awaits and players will definitely love their regularly updated existing player promotions.

Other things to look forward to with 21 casino is that they have fast payouts (less than 24 hours), daily loyalty rewards, 24/7 live chat and email support, awesome promotions and more than 1,500 online casino games to choose from.

License: Malta Gaming Authority, Curacao

Payment options: Visa, MasterCard, Neteller, Skrill, Paysafecard, Trustly Zimpler, and Bank Wire Transfer.

Game providers: BetSoft Gaming, Microgaming (Quickfire), Play'n GO, Pragmatic Play, QuickSpin, and ELK Studios

Bonus100 Free Spins on Vampires vs wolves (no deposit needed) & 100% up to 100€ + 900 Free Spins on your first deposit!


LeoVegas' vision is to be No.1 in Mobile Gaming and this is characterized by award-winning innovation and continued growth - won ‘Best Native App' and ‘Mobile Casino Product' at the EGR Operator awards in 2017; Recognized as industry ‘Online Casino of the Year' at the Global Gaming Awards in 2018. Company operations are based in Malta while technological development is located in Sweden. Play 1,000+ slots, live casino games and sports betting.

Be part of their VIP program and get free spins, exclusive promotions, VIP trips, and enjoy the latest technology in gaming.

License: Malta Gaming Authority, Danish Gambling Authority, UK Gambling Commission, Ireland Gambling License by Revenue, Swedish Gambling Authority

Payment options: MasterCard, Neteller, Paysafe Card, Visa, Trustly, PayPal, Skrill, Bank Transfer

Game providers: Microgaming, NetEnt, Cryptologic, Evolution Gaming, Betsoft, NYX Interactive, Bally, Play'n GO, IGT (WagerWorks), WMS (Williams Interactive), iSoftBet, Merkur, , Push Gaming, Genii, Evolution Gaming, Wild Streak Gaming, Concept gaming, Quickspin, Yggdrasil Gaming, Rabcat, Thunderkick, Lightning Box, Elk Studios, SG Gaming, Odobo, Pragmatic Play

BonusGet up to €400 Extra to play with when you make your first 4 deposits at this award-winning casino!

18+ New Customers only. Wagering requirements apply to all bonuses. Play Responsibly - www.begambleaware.orgFull T&Cs apply.


BitStarz is known as the multi-award winning Bitcoin casino in the industry. Enjoy playing their huge library of slots, live casino, table games and they even have special BTC games (for Bitcoin players). Several generous promotions are being cooked up regularly, which always give players something fun and exciting to look forward to each time they play on the site. From free spins, cash and bitcoin credits, players can also have the chance to win luxury vacation trips and even expensive cars just by playing at BitStarz!

License: Curacao

Payment options: Visa, Maestro, MasterCard, Neteller, Paysafe Card, Sofortuberwaisung, Bank Transfer, Skrill, Bitcoin, zimpler, wirecard, WebMoney, Litecoin, ethereum, dogecoin, CoinsPaid, instaDebit, iDebit,

Game providers: NetEnt, Authentic Gaming, Evolution Gaming, Ezugi, Betsoft, iSoftBet, BGaming, Booming Games, SoftSwiss, Amatic Industries, Euro Games Technology, Endorphina, GameArt, Evoplay Entertainment, Spinomenal, Vivo Gaming, Yggdrasil Gaming, Pragmatic Play, Nolimit City, Platipus, Belatra

Bonus: 30 Free Spins (no deposit bonus) & 100% up to €/$500 or 5 BTC + 180 Free Spins

Energy Casino

As its name suggests, Energy Casino will encourage you to play your favorite games. Established in 2013 and now it's actually already one of the popular casinos in the UK. Renowned software providers like NetEnt, Microgaming and Novomatic power up this casino, offering many different slot titles, live dealer games and massive progressive jackpot games.

License: Malta Gaming Authority & UK Gambling Commission

Payment options: Visa, MasterCard, Neteller, Paysafe Card, Ukash, ewire, Przelewy24, Sofortuberwaisung, Nordea, POLi, GiroPay, Abaqoos, Boleto, eKonto, Moneta, Klarna, Envoy,, Euteller, Neosurf, Multibanco, entropay, Multibanco, QIWI, Trustly, Online Bank Transfer, Skrill, dotpay, Yandex Money, zimpler,

Game providers: Microgaming, NetEnt, GreenTube, Novomatic, Big Time Gaming, Oryx Gaming, Play'n GO, Wazdan, Gamomat, Bally Wulff, BF Games, Evolution Gaming

Bonus: 200% up to $/€200 on first deposit + 50% up to $/€200 reload bonus! 

18+, New Customers Only, Gamble Responsibly - www.begambleaware.orgT&C's Apply.


Casumo is "the world's first casino adventure ever" where players receive rewards just by collecting points. For instance, when you manage to get a big win, you get a medal; when you spin a slot 100 times, you get another medal. You get rewarded "real-time" with everything - from free spins to free cash - as you play! Thus, the more you play on Casumo, the better the rewards! A progress bar shows you how far you've got to reach the next level.

Casumo has made millionaires thanks to their progressive jackpot games.

License: Malta Gaming Authority, UK Gambling Commission, Swedish Gambling Authority, Danish Gambling Authority

Payment options: Visa, Maestro, MasterCard, Neteller, Switch, Solo, Paysafe Card, iDEAL, GiroPay, Skrill, PugglePay, Sofort (by Skrill), Bank Wire Transfer

Game providers: Microgaming, NetEnt, Evolution Gaming, Bally, Play'n GO, GreenTube, IGT (WagerWorks), WMS (Williams Interactive), NextGen Gaming, Barcrest Games, Novomatic, Quickspin, Thunderkick, Elk Studios, Quickfire, Orxy Gaming

Bonus€300 bonus + 20 Free Spins on Book of Dead when making your first 5 deposits!

18+, New Customers Only, Bonuses must be wagered 30 times, Gamble Responsibly - T&C's Apply.


partycasino provides a user-friendly gaming experience and is part of the Bwin group. They are an award-winning gaming site that opened in 1997. partycasino won the 2018 Casino of the Year award and currently offers a huge collection of over 500 games from 30+ developers including NetEnt, Microgaming, NextGen, Amaya and IGT.

partycasino has a Rewards and VIP program in which you earn points to climb up the loyalty level. Redeem points for bonuses and also get to enjoy other perks including a personal VIP account manager, 24/7 support from dedicated VIP host team, higher withdrawal and deposit limits, faster withdrawals, exclusive VIP promotions, VIP events and hospitality.

License: Gibraltar Regulatory Authority, UK Gambling Commission, Swedish Gambling Authority

Payment options: Abaqoos, Apple Pay, CashtoCode, eMONEYSAFE, Giropay, Luxon Pay, MuchBetter, Yandex.Money, GoPlay, Diners Club Card, eps, iDebit, instadebit, Maestro, MasterCard, Neteller, PayPal, Paysafe Card, PromoCode, Przelewy24, Visa, Sofort Banking, Skrill, Instant Banking, Fast Bank Transfer, Electronic Transfer, Bank Wire Transfer

Game providers: Playtech, Play'n GO, Pragmatic Play, Novomatic, Amatic Industries, Bally Wulff, Yggdrasil Gaming, Blueprint Gaming, Thunderkick, Quickspin, High5Games, 1x2 Gaming, Evolution Gaming

BonusMake your first deposit and partycasino gives you a 100% bonus up to €500 + 20 Free Spins!

18+, New Customers Only, Gamble Responsibly - T&C's Apply.

Unibet Casino

Unibet Casino is one of the oldie but goodie online casinos out there that has been operational since 2003. Unibet Casino is part of the Kindred Group (formerly Unibet International Ltd), one of the biggest operators in the European market with almost 10 million loyal customers worldwide!

Enjoy more than 1,000 online casino games from top developers such as Microgaming, NetEnt and Play'n GO. Slot games offer a high RTP of up to 98%. Deposits and withdrawals are very fast. Aside from slots, players can also have fun on their table games, video poker, bingo and a live casino.

License: Malta Gaming Authority, UK Gambling Commission, Swedish Gambling Authority and many more!

Payment options: Visa, Visa Electron, Maestro, MasterCard, Neteller, Paysafe Card, Ukash, Skrill, PayPal, Bank Wire Transfer

Game providers: Microgaming, NetEnt, GTS, NYX Interactive, Play'n GO, IGT (WagerWorks), Jadestone, Blueprint Gaming, Genesis Gaming, Quickspin, Relax Gaming, Thunderkick, Push Gaming, Skillzzgaming, Nolimit City

BonusGet 100% up to €100 on your first deposit at this amazing site!

18+, New Customers Only, Gamble Responsibly - www.begambleaware.orgT&C's Apply.

Argo Casino

Launched in 2014, Argo Casino came in strong with their impressive lineup of online casino, sports betting, virtual sport and live casino games. With more than 1,800 games from top software brands like NetEnt, Microgaming and Evolution Gaming, players will never get bored playing in this casino. They also allow virtual currencies like Bitcoin and Ethereum. Loyalty points are awarded every time you play, and there's also exciting tournaments available that awards awesome cash prizes.

License: Curacao

Payment options: Visa, MasterCard, Neteller, Skrill, Paysafecard, ecoPayz, iDEAL, POLi, Trustly, eps, Euteller, QIWI, WebMoney, TrustPay, SafetyPay, Perfect Money, and cryptocurrencies Bitcoin and Ethereum.

Game providers: BetSoft Gaming, Microgaming, NetEnt, NextGen Gaming, Play'n GO, Pragmatic Play, QuickSpin, ELK Studios, Realistic, Thunderkick, 1x2 Gaming, Yggdrasil, Endorphina, Playson, Blueprint Gaming, Booongo, Spinomenal, Chance Interactive, Big Time Gaming, Igrosoft, Booming Games, Iron Dog Studio, iGaming2go, Boomerang, Gamevy, Amanet, Games Lab, Snowborn Games, Side City, Spike Games, Wazdan, Casino Technology, Bet Digital, Habanero, Ezugi and Evolution Gaming.

Bonus20 Free Spins on Devine Lotus slot (no deposit needed) + 100% up to €500 + 50 Free Spins. on your first deposit!


« More casino guides or show all guides Page last updated: 18 January 2021

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