Online slot machines are the most popular casino games in the world, online casinos gain momentum and country’s change their gambling laws in order to fight the economic crisis. The most popular of them all are the progressive slot machines. These machines accumulate the bets of all the players on all the online casinos in the same network, and pays it as a mega jackpot.

The biggest ever jackpot won on an online casino slotmachine is 5.5 million dollars, this was won on a Mega Moolah machine, the progressive online casino slotmachine which is created by Microgaming. Now a new record has been reached, but there is no sign that it will stop soon. The jackpot is now 6.343.450 dollar and counting. Microgaming is well known for its exclusive titles and high quality online gambling games. Mega Moolah is an African themed slot machine with animal icons. Jackpot is only available for maximum bets.