The varieties of poker common in online casinos are live tables and video poker played with video machines. As it is one of the most popular online gambling games, sites often have a special program to download, just for poker, which allow players to practice offline, or enjoy a solitary hand at any time.. The live tables are populated by more experienced players, but can cater to any level of play, with varying sizes of bets and some very large jackpots. Video poker in particular has come a long way in the time it has been available online. Clearer graphics and better sound has won online gambling fans from other games into poker rooms all over the internet.