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.

Many online slots players are used to the in-person slot machines, which means most think the progressive jackpots offer the biggest win potential. While online slots offer progressives in the five-figure range, the progressive slots usually have bigger fixed jackpot payouts.