What Is Mega Moolah and Why Does This Slot Stay Popular?
Mega Moolah is a progressive jackpot slot developed by Games Global (formerly Microgaming), first released on 30 November 2006. The game sits on a 5-reel, 3-row grid with 25 fixed paylines and an African safari theme. Stylised wildlife symbols populate the reels: lions, elephants, buffalos, giraffes and zebras, alongside standard playing card icons (10, J, Q, K, A). Nearly two decades later, this mega moolah slot machine remains one of the most recognisable online slot titles in the iGaming industry. That status rests almost entirely on its networked progressive jackpot, which has created dozens of verified millionaires.
A few numbers help explain the pull. The minimum bet is $0.25 per spin. The maximum is $6.25. The Mega jackpot tier seeds at $2,000,000 (updated from the original $1,000,000 seed), so the top prize is always at least a seven-figure sum.
According to historical payout data, the Mega jackpot drops roughly once every 65 days, and the average payout at the time of trigger sits around €6,048,116.
The game's profile was cemented on 6 October 2015, when British soldier Jon Heywood won a Guinness World Record-verified jackpot of €17,879,645 (approximately £13.2 million) playing at Betway on a stake of just £0.25. A further record-breaking win of €18,910,668.01 was reported in 2018. And a £11,498,211 payout was confirmed in June 2025, showing the jackpot network remains active heading into 2026.
Worth pausing here, though. The transformational potential of these jackpots is not neutral from a harm perspective. Slots featuring progressive jackpots, especially those with multi-million-dollar ceilings, are associated with higher average losses and longer session durations, even after controlling for volatility and minimum bet size.