In recent years, various forms of legislation designed to block Brazilian customers from using online gambling services have been presented. The end of the world would be if the proposal were to be rejected by the Senate plenary.can you really win at roulette A SPINNING ROULETTE With very few exceptions, gambling is illegal in Brazil under a forms of gambling, including online gaming and sports betting within the. Learn about Online Gambling in Brazil. Discover the history of gambling in Brazil, legal regulations & popular gambling culture. It is assumed, that participating in games of chance online falls under the general ban on gambling, and is illegal in Brazil. Online gambling is nonetheless.