One area where Brazil gambling laws have remained relatively constant is horse racing. The above list features the top Brazil-friendly online casinos, leaving you ample choice of online gambling venues, each vetted to our strict standards. BIG Brazil already has a partnership in the country with Caesars Entertainment through the operation of the World Series of Poker® (WSOP®) brand. From. . bet bonus huge win, las veas casino big win, Great. The government estimates that the regulation of Brazil's growing online gaming market could eventually bring in between 6 billion and 12 billion. Esportes da Sorte was recognized by popular vote as the best in Brazil in by iBest in the betting and lottery sector.