Casino Sieger Sister Sites: The Condor Gaming Network Explained

Casino Sieger is run by Condor Malta Ltd, part of the Condor Gaming group, and its real sister sites are the other Condor brands: Big 5 Casino, b-Bets and Rembrandt Casino, alongside Tournaverse, LuckyBull and 24Bettle. Casino Sieger holds a Malta Gaming Authority licence, not a UK Gambling Commission one, so it is not on GamStop and sits outside UK player protection. We map the network, show which sisters are official, and explain what the offshore licence means for you below.

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Casino Sieger Sister Sites

The Condor Gaming Network at a Glance

Casino Sieger sits inside a group of casinos run by Condor Malta Ltd (registered in Malta, company number C 70089). The sites share an operator, similar terms and the same support and payment setup, which is what makes them genuine sister sites rather than lookalikes. The three that we hold official brand logos for are Big 5 Casino, b-Bets and Rembrandt Casino. The group also runs Tournaverse, LuckyBull and 24Bettle.

Because every site in this network is licensed in Malta rather than the UK, the things that change between them are mostly cosmetic: theme, welcome offer and game layout. The licence, the dispute process and the player protection rules are the same across all of them, and they are not the UK rules.

Casino Sieger Sister Sites Compared

The Official Casino Sieger Sister Sites

These three are the Condor brands we can show with their own logos. All carry the same Malta licence as Casino Sieger and the same lack of UK protection.

Big 5 Casino

Big 5 Casino is the safari themed brand in the group and tends to be the one players recognise first. It runs the same slot studios as Casino Sieger and the same account and payment system, so if you have played one, the second feels familiar. The welcome offer differs, but the underlying terms do not.

b-Bets

b-Bets pairs the casino with a sportsbook, so it is the pick in the network if you want to bet on sport as well as spin slots. It shares Casino Sieger’s operator and dispute process, which means the same Malta based complaint route applies if something goes wrong.

Rembrandt Casino

Rembrandt Casino takes a classic, art themed approach and feels plainer than the others. It is still the same Condor Malta operation underneath, with the same game range and the same payment handling, so choose it for the styling rather than for any difference in protection.

Same Operator, Different Front

Are These Official Casino Sieger Sister Sites?

Yes. Condor Malta Ltd is named as the operator across Casino Sieger, Big 5 Casino, b-Bets, Rembrandt Casino, Tournaverse, LuckyBull and 24Bettle, and the group is listed under the same Malta licence. That shared operator and licence is what makes them true sisters. Some older affiliate lists mix in unrelated names such as Gala Spins or Thunderkick; those are not Condor brands and are not sisters of Casino Sieger.

Casino Sieger Review

Casino Sieger is an offshore online casino launched around 2013 and run by Condor Malta Ltd. It accepts UK players but is regulated in Malta rather than the UK, and that single fact shapes everything that follows. The games and offers are real, but the protection around them is weaker than at a UK licensed site, and the group has a documented history of slow and disputed withdrawals.

Licensing and What the Offshore Status Means

Casino Sieger holds Malta Gaming Authority Type 1 licence number MGA/B2C/340/2016, issued on 1 August 2018, plus an Irish Remote Bookmakers licence for betting. It is not licensed by the UK Gambling Commission. In plain terms, that means it is not on GamStop, so a UK self exclusion does not block it; it is not covered by IBAS for UK style independent dispute help; and complaints go through MADRE, the Maltese dispute resolution body, rather than a UK route. If a UK self exclusion or local protection matters to you, this is a real gap, and we would not recommend the site to anyone who has self excluded.

Games and Software

The casino carries slots and table games from established studios including NetEnt, Microgaming, Betsoft, Relax Gaming, Oryx and Pragmatic Play, with live dealer tables alongside. The game library is the strongest part of the site and is comparable to many mainstream casinos. RNG games are independently tested, which is a baseline the Malta licence requires.

Welcome Offer and Wagering

Casino Sieger runs a deposit match welcome bonus that changes from time to time. Because it is licensed in Malta and not the UK, it is not bound by the 10x bonus wagering cap that has applied to UK licensed casinos since January 2026, so its playthrough requirements can be considerably higher than a UK player might expect. Read the bonus terms in full and check the wagering multiplier and game weighting before you opt in, since there is no UK cap protecting you here.

Payments and Withdrawals

Accounts are held in euros, with cards, e-wallets and bank transfer among the options. Marketing materials describe fast payouts, but the more important point is the complaint record: across Condor Gaming sites, players have reported withdrawals being delayed, split into instalments, or held while accounts are reviewed or closed. Complaints logged on AskGamblers and Casino Guru point to the same pattern. Complete identity verification early, keep records of every withdrawal request, and do not deposit money you cannot afford to wait on.

Support and Responsible Gambling

Support is by email and live chat, though the chat is not always staffed. Responsible gambling tools exist under the Malta framework, but they are not the UK set: there is no GamStop link and no UK Gambling Commission oversight. UK players who want to step back can still use GamCare and BeGambleAware for free, independent support, and GamStop if they want a self exclusion that covers UK licensed sites. Gambling Therapy offers help internationally.

Mobile

The site runs in a mobile browser without a dedicated app, and the layout adapts to phone screens. Performance is in line with the desktop site, so the experience is consistent, for better and worse, across devices.

Casino Sieger Key Facts

Operator details last reviewed: June 2026 (last updated 9 June 2026)

Updated June 2026: corrected the operator to Condor Malta Ltd, confirmed the Malta licence and offshore status, replaced the old fabricated sister list with the real Condor brands and flagged the documented withdrawal complaints.

Pros and Cons

Pros

• Large, well tested game library from major studios such as NetEnt, Microgaming and Pragmatic Play.
• Clear, verifiable Malta licence and a named operator in Condor Malta Ltd.
• A real network of sister brands, so there are honest alternatives within the same group.
• Live dealer tables and a mobile friendly site without needing an app.

Cons

• Not UK Gambling Commission licensed, so it is not on GamStop and sits outside UK protection.
• Documented withdrawal problems across Condor sites, including delays, split payouts and account closures.
• No IBAS cover; complaints must go through the Maltese MADRE process.
• Bonus wagering is not capped by UK rules, so terms can be stricter than UK players expect.

Frequently Asked Questions

What are Casino Sieger’s sister sites?

Casino Sieger is run by Condor Malta Ltd, and its sister sites are the other Condor brands: Big 5 Casino, b-Bets, Rembrandt Casino, Tournaverse, LuckyBull and 24Bettle. They share an operator and a Malta licence.

Is Casino Sieger on GamStop?

No. Casino Sieger is licensed in Malta, not by the UK Gambling Commission, so it is not part of GamStop and a UK self exclusion does not block it. UK players who want GamStop cover should choose a UK licensed casino.

Is Casino Sieger licensed in the UK?

No. It holds a Malta Gaming Authority licence (MGA/B2C/340/2016) and an Irish betting licence, but it is not UK Gambling Commission licensed, so UK player protections and IBAS do not apply.

Is Casino Sieger safe to use?

It is a licensed operator with tested games, but the Condor group has documented complaints about delayed, split and withheld withdrawals, and there is no UK protection or GamStop. Verify your account early and treat it with more caution than a UK licensed site.

How long do Casino Sieger withdrawals take?

Marketing claims are fast, but player reports across Condor sites describe withdrawals being delayed, split into instalments or held during account reviews. Complete verification before requesting a payout and keep records of each request.

What are the best alternatives to Casino Sieger?

If you want UK protection, a UK Gambling Commission licensed casino on GamStop is the safer route. Within the Condor network itself, Big 5 Casino, b-Bets and Rembrandt Casino are the genuine sisters, but they carry the same offshore status.

Our Verdict on Casino Sieger

Casino Sieger is a real, Malta licensed casino with a strong game library and a genuine network of Condor sister sites in Big 5 Casino, b-Bets and Rembrandt Casino. The problem is not the games but the protection around them: it is not UK licensed, not on GamStop, and the wider Condor group has a documented record of slow and disputed withdrawals. For UK players who value GamStop and UK oversight, a UK licensed casino is the safer choice, and anyone who has self excluded should avoid it entirely. We rate it a cautious four out of ten.

CasinoSisterSite rating: 4/10