Jack21 Casino Review 2026
8.0/10 Unverified Directory ListingOperated by Mountberg B.V. · Established 2020
18+ · T&Cs apply · Play Responsibly
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Editorial Score Breakdown
Comprehensive Editorial Review of Jack21 Casino
Jack21 Casino is an online casino operating under the GnG Affiliates affiliate programme. This site is no longer operating: the domain does not respond or has changed hands. The site launched in 2020. It holds a licence from Curacao Gaming Control Board. The interface is available in 8 languages, among them English, German, French, Russian. Accounts can be held in 9 currencies — Russian rubles, Euros, Canadian dollars, Australian dollars.
✨ Key Features & Supported Capabilities Verified Today
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Verified Sportsbook platform offering with proprietary and partner game content.
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Verified Live Casino platform offering with proprietary and partner game content.
🎧 Customer Support & Help Desk Services
GnG Affiliates
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Operator Specifications
- Affiliate Partner
- GnG Affiliates →
- Established
- 2020
- Company
- Mountberg B.V.
- Licensing
- Curacao Gaming Control Board
- Languages
- en de fr es pt uk
- Currencies
- USD EUR GBP BRL CAD AUD
- Support Desk
- ✅ Active Support
18+. Terms & Conditions apply.
