21Dukes Casino
Free Spins on Frankenslot's Monster
25
No code required
● Unavailable
30x(b)
Wager
Yes
Cashable
—
FXCheck™
Details
Unavailable
0.0
Frank Score
Frank Score0.00
Facts score0.00
Reviews score0.00
Facts influence0.0%
Feedbacks influence0.0%
How the Frank Score works
A proprietary editorial rating combining objective facts about the operator with weighted player feedback into a single 0-10 score.
- Facts score0.00 / 10
- Reviews score0.00 / 10
- Final Frank Score0.00 / 10
The two influence bars above show how much each component weighs in the final score for this casino. As more verified player reviews come in, Feedbacks influence grows.
Read full methodology →Ranking
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Player reviews
15
Reviews score
4.13 ★★★★☆
Sentiment
100%
Last update
Feb 14, 2026
21Dukes Casino Review
21Dukes Casino Review
Royally themed 21Dukes Casino adds a touch of elegance to your online gaming experience. Founded in 2008 by the Winward Group, 21Dukes Casino is licensed under the jurisdiction of Costa Rica, and offers safe and entertaining gaming from a solidly established platform. Powered by Topgame, the completely secure environment at 21Dukes Casino features lucrative player promotions, 24/7 customer support, and a wide range of online casino games that are TST (Technical Systems Testing) certified. Getting Started has never been easier. Just click to download the free casino software and in minutes you can be playing from a diverse collection of your favorite online casino games.
21Dukes Casino Games
Topgame Gaming provides the innovative software and games for 21Dukes Casino. The games download to your computer surprisingly fast - the fastest download in the industry and are available both in fun and real money play modes. There are over 50 games to choose from at 21Dukes Casino, with a wide range of player favorites that include Blackjack, Roulette, Video Pokers, Keno, Classic Slots, and Video Slots. If its the possibility of a life changing hit that motivates your play, check out 21Dukes' collection of Jackpot games with a combined total payout of close to 5M!
21Dukes Casino Promotions
Promotional bonus offers are available every day of the month at 21Dukes Casino, beginning with the multi-part welcome of 150% up to $300 on your first deposit, followed by 125% up to $400 on the second and 100% up to $500 on the third - for a possible $1450 in bonus cash to extend your play time. Check the 21Dukes Casino promotional calendar often for a different offer every day to supplement your gaming throughout the entire month with match bonuses of up to 400%, free chips, and cash back offers.VIP players at 21Dukes Casino also qualify for frequent tournaments and thousands in prize money payouts.
21Dukes Casino Banking
Financial transactions at 21Dukes Casino are carried out using secure networks to ensure player privacy and protection. All transactions are facilitated in USD, however, other major currencies are expected to be integrated in the near future.
Methods of Deposit: Visa, MasterCard, Diners Club, Ecocard, Click2Pay, Money Transfer
21Dukes Casino Support & Contact Information
Casino Support is available at 21Dukes Casino 24/7, 7 days a week.
- Live Support
- Chat
- E-Mail [email protected]
- Toll-Free Telephone (USA) : 1-800-274 -7345
Progressive jackpots
21Dukes Casino progressive jackpots
Real-time amount, hit history, and our Jindex - a 0-10 imminence score that combines how close the pot is to the historic average and how long since it last paid.
| Game | Amount | Hits | Avg. win | Jindex |
|---|---|---|---|---|
MegaMoolah | €11,004,548.61 | 63 | €7,306,700.57 | 10.0 |
MajorMillions | €914,863.35 | 234 | €647,822.27 | 10.0 |
TreasureNile | €43,372.40 | 685 | €76,904.67 | 7.0 |
CashSplash | €12,868.64 | 3212 | €18,145.20 | 10.0 |
Data freshnessGood (under 12h)Fair (12-24h)Poor (over 24h)
Amount toneNear average (95-100%)Above average (overdue)
Where else to play
Other casinos to consider
Top-rated alternatives by our Frank Score - vetted on payouts, terms clarity, support, and player reports.
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What players say
K
Kay95
a 25 X playthrough on your first deposit is a surpisingly good offer on a 500% welcome package. I see 35X and 40X often. This does not apply to crypto deposits but this is certainly a CC friendly site.
A
Angie1990
Overall 21 Dukes is a good place if you are on a budget. The offers they have are good enough to get some strong wins with just $100 staked. I am using UPay card for deposits and payouts, this makes everythig much more easy. Quick veri process and you get playing quickly with UPay anyway.
D
DM Boots
I am seeing good value all the way through 21 Dukes this month. I know that All casinos hit you with some better bonuses and bigger games and offers at christmas bt Dukes are really going nuts on their promotions. The racing is still a money spinners but the tourneys are free and fun.
D
Damonhustler
Solid choice for all the new slots and one of my first choices on the weekend. Very quick payments and quick tourneys which are very cheap to play and very easy to play. A few issues with some on the mobile site options but these have been resolved and the mobile site runs sweet with no glitches or lagging.
S
Smiffy
Another casino with in game special offers that make it well worth signing up to. They have hour long tourneys as well that you might have to stay up for but are easier to win than you might think with mad prizes.
A
AnnieH
21 Dukes is a mixed bag when it comes to bonuses, but it delivers in terms of service and wins. Lots of free competitons and cash prizes. the site itself plays very well and the UI is excellent. BTC casino so this helps in all financial transactions. good site overall and they pay well.
H
Hermanhermit
I am not at all sure about the $1450 signup bonus at 21 dukes. It looks like I have to play huge money to claim it. I do play here often though because the site plays so well, looks great and so many games payout consistantly. Video slots are fresh and the live dealer games feel real.
T
TimHenman1350
One of the best casinos for playing on a budget. I play about $100 a week only and I still get some 3 figurs wins. Special offers and free spins boost wins here.
- Bonus
- 0.5
- Games
- 0.5
- Loyalty
- 0.5
- Support
- 0.5
M
MickyG
A good site for SA players with a good game selection and decent rewards. Ideal site if like me you enjoy table games. I did experiance some issues on veri but since then pretty much plain sailing.
S
ShortmanUK
Lots of freebies at Dukes as well as some nice tourneys and regular events that keep my interest. Some minor issues with support, crypto accepted and fast withdrawals :)
M
Mayday
Major Millions and Super jax have been good to me this week. Have to say thanks! over 3K in wins so I am 2.5K up. Nice to be seen on the winners list for once! Top casino.
- Bonus
- 4.5
- Games
- 4.5
- Loyalty
- 4.0
- Support
- 3.5
L
lifeofbrian
Plenty of brand new slots games that pay out regularly. Casino looks professional and appears to be well run. Definitely worth a look!
- Bonus
- 4.0
- Games
- 4.0
- Loyalty
- 4.0
- Support
- 4.0
R
Rayband1986
Lots of slots, nice looking well designed site with an OK bonus and excellent payouts on small promotions that run daily. Good to see some decent live play at this site now and I have had 3 very good wins this year that have put me about 50% up on my investment.
- Bonus
- 4.0
- Games
- 4.5
- Loyalty
- 4.0
- Support
- 4.5
B
BigMac69
Killer games with options in some of the rooms like dollar and nickel rooms where you can chip away all day, spend just $30 and still make decent gains. Reccomended for promotion section and cashback offers,. VIP? Ask and you shall recieve!!
- Bonus
- 0.5
- Games
- 1.0
- Loyalty
- 0.5
- Support
- 0.5
C
CaptainKirk
Good selection of games and promos and decent people over at 21 dukes. never had any oissues with ewallet payments and good delivery times. A fair casino that doesn't let you down. A*
- Bonus
- 1.0
- Games
- 4.0
- Loyalty
- 4.0
- Support
- 4.0
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