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How to play Great Aztec
The timing is significant. The illegal gambling market is attracting growing attention from regulators and the wider industry, while estimates of its size vary considerably depending on definitions and methodology.
A recent Fincord Intelligence report highlighted by the Betting and Gaming Council estimated that illegal online gambling generated around $50 billion in gross revenue globally in 2025. It estimated that around 5,000 operator structures were using more than 15,000 websites and apps.
Other estimates are considerably higher, illustrating how difficult the market is to measure. As an example, separate research from Gaming Compliance International put the value of unregulated online gambling at $5.9 trillion in wagering value in 2025, while estimating that unregulated operators accounted for 78% of global online gaming GGR.
What is Great Aztec?
In its market-specific breakdown, the report noted a “rapid reduction in channelling” in the UK, following the increased use of affordability checks.
The remote gaming duty hike from 21% to 40% in April is also expected to have a significant impact on the black market, with Regulus estimating it could drive the market to be worth up to €1 billion, as consumers choose illegal offerings to access unrestricted bonuses.
Other studies have made similar estimations. In June last year two thirds of bettors surveyed by YouGov said the tax increase, which will also hit online sports betting from next year, would drive them to play with unlicensed operators.
About Great Aztec
Here, advertising for online betting sites is positioned differently. Presented as news, the content talks about the highest odds on the market, features offered by operators, regulatory changes and various cases of bettors, ranging from those who made huge financial gains to those who lost everything.
It is very common among the different profiles identified to refer to regulatory bodies, such as the National Advertising Self-Regulation Council and SIGAP (Brazil’s betting management system). They also speak of responsible gaming in a generic way. In many cases, this is associated with illegal operators and potentially irregular advertising practices.
In this context, the regulations developed to protect players begin to function as a means of legitimisation, with illegal operators even using the term “authorised” in their communication and the “.bet” extension in their domain, which is intended only for licensed operators.
