Mega Moolah is a Games Global progressive jackpot slot released on 28 November 2006 under the Microgaming brand, built around an African safari theme and a four-tier jackpot network. The title pays across 5 reels and 25 fixed paylines, but its defining element sits outside the reels entirely: a Jackpot Bonus Wheel that can appear at random on any paid spin and award one of four progressive prizes. That structure, rather than the base-game paytable, is what has kept the slot in circulation for close to two decades.
Mega Moolah runs a conventional 5x3 reel set with 25 fixed paylines, where wins are formed left to right from the first reel. The lion acts as the wild and doubles any combination it completes, while the monkey scatter pays independently of the paylines and opens the free spins round.
Mega Moolah layers a networked progressive jackpot on top of that base game. Four prize tiers — Mini, Minor, Major and Mega — build from wagers placed across every casino carrying the game, which is why the Mega tier reseeds at 1,000,000 rather than at a nominal figure.
Mega Moolah has the following principal specifications:
Developer: Games Global, released under the Microgaming brand
Release date: 28 November 2006
Game category: Progressive jackpot video slot
Theme: African safari
Playing area: 5 reels, 3 rows
Paylines: 25, fixed
Wild symbol: Lion, doubles the win it completes
Scatter symbol: Monkey
Free Spins: 15, awarded by 3 or more scatters, with a 3x multiplier
Jackpot tiers: Mini, Minor, Major and Mega
Jackpot seed values: 10, 100, 10,000 and 1,000,000
Jackpot Bonus Wheel: 20 segments, triggered at random on a paid spin
Highest base-game payout: 3,750 coins for five lions
Base-game maximum win: 1,800x stake
Bet range: 0.25 to 6.25
RTP as listed by Wildz: 93.42%
Volatility: Medium
Supported formats: Desktop and mobile
Mega Moolah is listed by Wildz with an RTP of 93.42%, a figure that sits below the range typical of non-jackpot slots because a share of every wager funds the four progressive pools instead of the standard paytable. The mathematical configuration can differ by market, so the information panel inside the version actually being played remains the relevant source for its current RTP and betting conditions.
Mega Moolah forms wins when three or more matching symbols land on an active payline, reading from the leftmost reel towards the right. All 25 lines are permanently active, so the stake selected covers the full line set rather than a chosen subset of it.
Mega Moolah settles each paid spin in two separate stages. The reels are evaluated against the paytable first, and independently of that result the game may open the Jackpot Bonus Wheel, meaning a losing spin on the reels can still be the spin that awards a progressive prize.
Mega Moolah delivers its progressive prizes exclusively through the Jackpot Bonus Wheel rather than through a symbol combination. The wheel appears at random during base-game play, divides into 20 segments across the four tiers, and pays whichever tier the pointer settles on.
Mega Moolah keeps the wheel outside the player’s control in every respect. The trigger is generated randomly by the game, only one segment carries the Mega tier, and no stake pattern, session length or previous result changes the likelihood of the wheel appearing on the next spin.
Mega Moolah divides its jackpot pool into four tiers that reseed at different levels once won. The Mini restarts at 10, the Minor at 100, the Major at 10,000 and the Mega at 1,000,000, with each pool growing from wagers placed across the whole game network rather than at a single casino.
Mega Moolah reaches its headline figures because that network spans many operators simultaneously. A Mega prize can therefore stand far above its seed value by the time it is awarded, although the tier that a triggered wheel actually lands on remains entirely a matter of chance.
Mega Moolah uses the lion as its wild symbol, substituting for every icon except the scatter and doubling any winning combination it helps complete. Five lions on a payline also form the highest standard combination in the game at 3,750 coins.
Mega Moolah assigns the scatter role to the monkey, which pays regardless of position and does not need to appear on a payline. Three or more scatters anywhere on the reels move the game into its free spins round.
Mega Moolah awards 15 free spins when three or more monkey scatters land in a single spin. Every win formed during the round is multiplied by 3x, which makes the feature the main source of large payouts outside the jackpot wheel.
Mega Moolah allows the round to be retriggered if further scatters appear while the free spins are running. Additional spins are added to the remaining total, though a retrigger depends on the same random outcomes as the original trigger and is never assured.
Mega Moolah is listed by Wildz with a theoretical RTP of 93.42%. That number describes long-term theoretical return across a very large volume of wagering rather than the expected result of any individual session.
Mega Moolah sits below the typical RTP range for non-jackpot slots for a structural reason: a share of every wager funds the four progressive pools instead of the standard paytable. Players who want the precise figure for the version in front of them should read the in-game information menu before wagering.
Mega Moolah carries a medium-volatility base game. Line wins and free spin rounds arrive with reasonable regularity relative to a high-variance title, and the standard paytable is not the part of the game that produces extreme outcomes.
Mega Moolah nonetheless behaves very differently once the jackpot layer is included, because the Mega tier is a rare event sitting on top of an otherwise moderate distribution. A run of ordinary results neither brings the wheel closer nor makes a progressive award more likely on the following spin.
Mega Moolah caps its base-game payout at 1,800x the stake, covering everything achievable through the paytable, the wild multiplier and the free spins round. A £1 stake would therefore correspond to a theoretical base-game ceiling of £1,800.
Mega Moolah applies no equivalent cap to the progressive tiers, which is where the game’s reputation originates. A single spin paid €18,915,872.81 on 28 September 2018, recognised by Guinness World Records as the largest online slot payout, and the wider network has distributed more than $1.2 billion since launch.
Mega Moolah can be played in United Kingdom through an online casino that holds the necessary Gambling Commission permission and carries the Games Global title. After account registration and age verification, a player can open the game, review its rules and paytable, select a permitted stake between 0.25 and 6.25, and start a round.
Mega Moolah stakes are further constrained by United Kingdom’s statutory online slot limits. Players aged 18 to 24 can stake no more than £2 per game cycle, while customers aged 25 and over have a £5 maximum. These limits have applied since 21 May 2025 and 9 April 2025 respectively, and they sit below the game’s own 6.25 maximum for the younger age band.
Yes, Mega Moolah can be played on compatible mobile phones and tablets. Games Global supplies the title for both desktop and mobile, so the 25-payline reel set, the free spins round and the Jackpot Bonus Wheel all operate on smaller displays without any feature being removed.
Mega Moolah mobile access normally runs through a supported browser rather than a separate download. The same UK age-verification, licensing and stake-limit requirements continue to apply when the game is opened on a smartphone instead of a desktop computer.
Mega Moolah can be offered to players in United Kingdom by online casinos that hold the appropriate Gambling Commission licence and carry the Games Global game. British customers must be at least 18 years old, complete the required verification procedures, and remain within the statutory online slot stake limits.
Mega Moolah is listed on Wildz internationally, but Wildz currently states that customers visiting from the United Kingdom are redirected to partner casinos. UK players should therefore use the Gambling Commission public register to confirm that the casino they ultimately use is authorised for the British market rather than assuming that the international Wildz platform accepts UK registrations.
Mega Moolah real-money play in United Kingdom falls within the regulatory system supervised by the Gambling Commission. Online operators serving customers in England, Scotland and Wales must hold the appropriate regulatory permission, and the Commission maintains a public register where a gambling business can be checked before any deposit is made.
Mega Moolah players must be 18 or older to gamble online in United Kingdom. Licensed businesses are required to verify customer identity and age before allowing play, with the minimum verification information covering name, address and date of birth.
| Area | United Kingdom Rule |
|---|---|
| Minimum online gambling age | 18+ |
| Main regulator | Gambling Commission |
| Online casino licensing | Operators serving United Kingdom must hold the appropriate Gambling Commission licence |
| Identity checks | Name, address and date of birth must be verified before gambling |
| Maximum online slot stake, ages 18–24 | £2 per game cycle |
| Maximum online slot stake, ages 25+ | £5 per game cycle |
| Wildz status for UK visitors | Wildz states that UK visitors are redirected to partner casinos |
Mega Moolah players should also distinguish Great Britain from the entire United Kingdom when interpreting Gambling Commission rules. The Commission regulates gambling in England, Scotland and Wales; Northern Ireland has a separate legal framework and is not governed by the Gambling Act 2005 in the same way.
Mega Moolah pays line wins across 5 reels and 25 fixed paylines, reading from the leftmost reel. Separately from that result, every paid spin can randomly open the Jackpot Bonus Wheel, so a spin that returns nothing on the reels can still award one of the four progressive prizes.
Wildz lists Mega Moolah with a theoretical RTP of 93.42%, while independent databases commonly publish 88.12% for the classic configuration. The figure sits below the typical slot range because part of every wager funds the four progressive jackpot pools instead of the standard paytable.
Yes. Games Global supplies Mega Moolah for both desktop and mobile, so the 25-payline reel set, the free spins round and the Jackpot Bonus Wheel all work on compatible smartphones and tablets. Access normally runs through a supported browser rather than a separate download.
Mega Moolah caps its base game at 1,800x the stake, covering the paytable, the doubling wild and the multiplied free spins. The four progressive tiers sit outside that cap: one spin paid EUR 18,915,872.81 in September 2018, recognised by Guinness World Records as the largest online slot payout.
Min/Max Bet:
€
0.25 –
6.25
Volatility:
Medium
(6/10)
Platform:
Desktop & Mobile
Developer:
Microgaming
Game Type:
Slots