Microgaming online casinos are one of the oldest online casino brands. For years Microgaming Online Casinos have been paying out million dollar jackpots and entertainging online gamblers. When the US passed the UIGEA in 2006 Microgaming started to pull out of the United States as they are a publically traded company and obey all laws no matter how stupid they are. Some of the best slots are from Microgaming now that they use the Viper softeare. If you like innovative and fun online slots you have to try Microgaming casinos.