Such has been the success of online casinos in attracting new casino games players that many analysts claim that the number of people now playing gambling games has doubled or even trebled since before casino games became readily available online. Certainly if we compare the number of people now regularly playing casino games such as roulette and blackjack online with those who were playing these casino games at a real casino the increase is probably even more than double or treble, but we must not forget the other gambling games which had a significant fan base before online casinos were introduced. A big proportion of people who regularly frequented pubs and clubs for instance would probably have also played the slot machines which they would almost certainly have found in these establishments, and then there were the bingo clubs. We should not forget that a very large number of people regularly played bingo with their friends every week at their local bingo club and although that attendance appears to have fallen over recent years many still do enjoy a trip to the bingo. Bingo was in fact the most popular gambling game of all, and many would argue that it still is. The online casinos certainly think so and online bingo is even now one of the most popular casino games played at an online casino, apart from the slots. Most of the major online casinos offer a variety of online bingo games on their sites, and there is no doubt that playing bingo remains a popular leisure activity even though less people appear to visit the high street bingo clubs. The online casinos have done a good job in attracting bingo fans to the idea of online bingo and have even retained the rolling jackpots which appealed to many bingo fans.