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21 Dukes Casino Review

Our independent review covers bonus terms, payout rules, license clarity, games, support quality, and country availability so you can play with confidence.

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Bonus Checked

Payout Rules

Hidden Terms

100% up to €300 + 120 Free Spins

18+. Terms apply. Play responsibly.

GLOBAL TRUST SCORE 42/100 Average ★★☆☆☆

WELCOME BONUS €300 + 120 FREE SPINS

LICENSE

Costa Rica Gambling License Verified

PAYOUT SPEED

Standard 3-5 days

MIN DEPOSIT

€10

Secure & Encrypted

Quick Verdict

21 Dukes Casino has been around since 2008, running under a Costa Rica license with a roster that includes Betsoft, Pragmatic Play, VIVO Gaming, and Octopus Gaming. With 46 verified complaints on record and a trust score of just 42/100, it's worth approaching cautiously. Cashouts are capped at EUR 4,000 per week, so high-volume players may find that limiting...

Expert Review Bonus Terms Checked Payout Rules Reviewed

PROS

✓Strong welcome bonusHigh-value offers and clear player benefits.

✓Clear payout optionsUseful signal from our review checklist.

✓Large game libraryUseful signal from our review checklist.

✓Mobile-friendly designUseful signal from our review checklist.

CONS

!Wagering terms need checkingRequirements vary by bonus and promotion.

!Country availability variesCheck the terms before claiming.

!Max bet rules applyCheck the terms before claiming.

!Withdrawal limits may applyCheck the terms before claiming.

Global Trust Score Breakdown

Our analysts evaluate every casino across key trust categories to give you a single, easy-to-understand score.

GLOBAL TRUST SCORE 42/100 ★ STRONG BONUS

This offer delivers solid value with generally fair terms and low risk.

Bonus Value 8.7

Wagering Terms 7.6

Free Spins Value 8.1

Cashout Rules 7.9

Payout Speed 8.3

Hidden Terms Risk 6.8

Bonus Value

How much real value the offer has after wagering.

Higher clarity = higher trust

Wagering Terms

How fair and achievable the wagering requirements are.

Higher clarity = higher trust

Cashout Rules

Withdrawal limits, max win, pending period, and account verification.

Higher clarity = higher trust

Hidden Terms Risk

Max bet rules, excluded games, country restrictions, and bonus caps.

Higher clarity = higher trust

WELCOME BONUS REVIEW

BONUS AMOUNT: 100% up to €300
FREE SPINS: 120 Free Spins
PROMO CODE: 21DUKESCASINOC
WAGERING: 35x bonus

MAX BET: €5 during wagering
MAX CASHOUT: EUR 4,000 per week
HOW TO CLAIM: Register, verify account, deposit, enter code, activate offer.

CASINO DETAILS

Operator: Blacknote Entertainment Group Limited
License: Costa Rica Gambling
Launch Year: 2008
Mobile Support: iOS & Android
Live Chat: 24/7
Currencies: Argentine pesos, Australian dollars, Brazilian reals, Canadian dollars, Euros, British pounds sterling, Tunisian dinars, US dollars, South African Rand

PAYMENTS

American ExpressInstant deposits
Fast withdrawals

Bank Wire TransferInstant deposits
Fast withdrawals

PayzInstant deposits
Fast withdrawals

MasterCardInstant deposits
Fast withdrawals

Money TransferInstant deposits
Fast withdrawals

NetellerInstant deposits
Fast withdrawals

GAMES

Betsoft VIVO Gaming

COUNTRIES

Available in many international markets

Country restrictions apply

Check local terms

Verification required

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Player Reviews

5/10 Excellent ★★★★★ Based on 3 player reviews

timo_gate Verified Player

★★★★ 8/10

I've been playing at 21 Dukes for two years, and it has significantly improved. The payouts are much quicker than they were two years ago, a...

Jan 21, 2026 · Was this review helpful?

lagoon.horizon842 Verified Player

★★★ 6/10

I dislike the fact I have been waiting two weeks for my 750 winnings. It was denied first because of bank statement. Ok fine, so I sent and...

Aug 9, 2025 · Was this review helpful?

cactus936 Verified Player

★ 1/10

I love the bonuses and game options, chat is usually responsive and I have fun playing here. I like the daily bonuses, and that deposit days...

Oct 14, 2024 · Was this review helpful?

Final Verdict

Who this casino is good for

Players who want a generous welcome bonus, a wide game selection, and reliable payouts.

Who should be careful

Players who prefer low wagering requirements or very fast under-1-hour withdrawals.

Main bonus risk

High wagering and max-bet rules can reduce real bonus value.

Final recommendation

A reviewed international offer suited to regular players.