Online casinos allow gamblers to play and wager online casino games through the Internet. It is a prolific kind of online gambling. Online casinos normally offer chances and payback percentages that are a bit greater compared to land-based casinos. Some online casinos maintain higher payback percentages for slot machines games, and some publish payout percentage audits on their websites. Assuming that the online casino is utilizing a suitably programmed random number engine, table games such as blackjack have an established house edge. The payout percentage for these games are established by the rules of the game.