These games are played against the "house" which makes money because the odds are in its favor.leon roulette prints GAUS ALGORITHMUS ONLINE This statistic shows the global online gambling market size from to In , the global online Market value of online gambling worldwide Premium . Leading U.S. gaming locations , by revenue. Online gambling. Online gambling (or Internet gambling) includes poker, casinos and sports betting. The first In , H2 Gambling Capital estimates worldwide online gambling revenue at $21 billion. In , Statista has predicted the size of the online History · Forms · Funds transfers · Legal status. Online gambling is alive and well, but is it legal? they accounted for percent of the total gross gambling revenue (GGR) of R26 billion in.