If you look closely, many of the online casino games are repeated from operator to operator. If you go in example on Jackpot City and 888 , the live dealer gaming sessions might be the same. Also some of the jackpots might be at the same prize on both of the houses. This is due to that most betting houses use software that is rented, and so it is used by many operators around the world. You might see their logo when you start a game. Companies such as NetEnt, Microgaming and Playtech have a big share on most of the online casino games distributed by this operators.