There are a large number of on-line casinos, in which individuals can play casino games such as Roulette, Blackjack, Craps, and many other people. These games are played against the "house", which makes money due to the fact that the odds are slightly in its favour. Some unscrupulous sites have been proven to offer rigged games, which are much less mathematically fair than they appear.
There are a large number of online poker rooms which provide numerous games of Poker, most generally Texas hold 'em, but also Omaha, Seven-card stud, and other game types. Players play against every other, with the "house" making its money via the "rake".
Online sports betting
Several major bookmakers provide fixed-odds gambling over the internet, with gamblers usually betting on the results of sporting events. A relatively new internet innovation is the bet exchange, which enables individuals to location bets with each other (with the "house" taking a small commission).
Typically, gamblers upload funds to the online gambling company, make bets or play the games that it provides, and then cash out any winnings. European gamblers can frequently fund gambling accounts by credit card or debit card, and cash out winnings straight back to the card.