Dolphin Reef

How to play Dolphin Reef

“At one point, I had only a few thousand euros left to gamble with, but then I won €180,000 in a single day. The next day I lost it all again,” he says.

“The day after that I won €150,000 – and lost that too.” That was the point at which he decided something had to change. “I thought to myself: This has gone too far.”

Madsen eventually sought help. His parents supported him and, at one point, took control of his finances. “It was embarrassing, but it was necessary,” he says.

How to play Dolphin Reef

“Maybe they’re not so dominant in the results, but it is dominant in our identity. But figures-wise, slots are bigger than table games.”

Petra’s experience in aviation and education taught her that people are important – losing the human interaction on the casino floor would be a bad idea. Sure, not all customers want to talk, but the success of the Next Zone points to players seeing Holland Casino as a sociable, lively experience rather than a solitary one.

The Netherlands has been the subject of much industry conversation, particularly the online side of the business. Petra emphasises the importance of a ‘healthy legal gambling market’ to help the sector thrive. “We see taxes going up, we see regulations going up. You see your guests changing what they want. We have to make sure that we have a good legal offer because if we don’t have that, we also know that people will find their way to illegal means.”

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KVA expressed concern over the potential manipulation of Google’s autocomplete function by unauthorised operators and websites primarily set up to redirect Dutch consumers to illegal gambling offers.

While acknowledging Google’s cooperation in removing paid advertisements promoting illegal casinos, the KVA emphasised the need for the company to take more comprehensive measures addressing organic search results.

Dutch MPs have raised similar concerns before. In December 2025, CDA MP Straatman asked the state secretary whether websites advertising as “Beste casino’s zonder Cruks” should be taken offline immediately.