Even the professional leagues, which for years mostly opposed legalization on the grounds that expanded gambling would corrupt their product, have started to prepare for changes.onlinesexzone com russiaukraine CHARLES BARKLEY WYNN GAMBLING Gambling laws for world countries, legality of online and land-based casinos, laws for casinos and players. Available in list view and map. Online Gambling in Asia: A Fast Track Overview. Some of them, such as mahjong, poker, casino games and sports betting with non-approved sites are forbidden and Chinese Sports Lottery has a monopoly on all sports betting in mainland China. Though it is very popular in China, online. There is no U.S. federal law against gambling online. On the federal level, gambling online is perfectly legal, because of the lack of a law against it. It's possible.