Many of these life-changing jackpots have been won over the past ten years, and most wins occurred on a famous online slot machine from Microgaming called Mega Moolah.

Biggest Online Jackpots Ever Hit\n\n The top spot on the list is held by Mega Moolah, a popular online slot game that has produced some of the largest jackpots in online casino history. In 2024, a lucky player won a whoppingR$16.7 million, setting a new world record for the largest online slot jackpot ever won.