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Mega Joker Review

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Mega Joker Slot Review

Mega Joker, which was released in 2013, is a traditional fruit machine slot developed by NetEnt. The slot has a dual reel system with base game wins that give access to the Supermeter feature on the top reels. The slot also offers increased win potential and access to a local progressive jackpot.

NetEnt is fully licenced by the UKGC and is now part of Evolution AB, known for games such as Starburst and Gonzo’s Quest. The Mega Joker slot game is fully accessible to all British users. The game features a 3x3 reel setup with 5 paylines in the base game, and a Supermeter feature that encourages strategic play and offers an optimal RTP of up to 99.00%. Read on to find out more about this Mega Joker review.

Mega Joker Slot Review

CategoryDetail
Game TitleMega Joker
Software ProviderNetEnt
RTPUp to 99.00%
VolatilityHigh (4/5)
Max WinProgressive Jackpot
ThemeClassic Fruit Machine
Key MechanicSupermeter Mode, Progressive Jackpot
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Highlights

Industry-leading RTP of up to 99.00% with optimal Supermeter strategy

Local progressive jackpot provides an uncapped win ceiling

Dual-reel system introduces strategic decision-making rarely found in slots

Things to Be Aware of

Base game RTP without Supermeter strategy is significantly lower

Retro design may not appeal to players who prefer modern video slots

Mega Joker Gameplay

The game is played on a dual-reel setup with 5 paylines on the lower set of reels. You spin the base game on the lower set of reels and win a sum of money, which you can either collect or move to the Supermeter on the higher set of reels for enhanced payouts.

The choice here is whether you want to collect your base game win or risk it on the Supermeter mode. In the Supermeter mode, you get to decide how much of your money you want to risk per spin, 20, 40, 100, or 200 coins, and this is something that is not available on traditional slot games.

Here are some example prizes for a £1 bet in the base game:

Symbol3 on a Payline
Joker£10.00
Star£5.00
Bell£2.50
Watermelon£2.00
Grapes£1.00
Orange£0.50
Lemon£0.50
Cherry1: £0.10, 2: £0.20, 3: £0.50
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Game Rules

Minimum Bet Per Spin

The minimum amount you can place per spin is £1, and the maximum amount you can place per spin on the base game is £2.

Theme and Story of the Mega Joker Slot

Mega Joker isn't trying to take you on an adventure or tell a story, and that’s exactly the point. It’s a love letter to the golden age of arcade gambling, the kind of fruit machine that used to sit in the corner of every pub and every seaside arcade in Scandinavia and the UK. The fruits aren’t just a symbol of anything, they’re a reference to the old mechanical slot machines of the early 20th century, where the fruit flavours represented the kind of gum prizes that players could win. Cherries, lemons, oranges, grapes, watermelons... each one of them is like a time capsule.

The Joker ties it all together. In classic card game tradition, the Joker is the wildcard and the unpredictable force that can change everything. Here it sits at the top of the paytable, the most valuable symbol on the board, nodding to its playing card roots while anchoring the retro aesthetic. The bells and stars round out the lineup, both iconic holdovers from the Liberty Bell era of slot machines, where the bell symbol first gave the genre its name.

The deep red and gold frame, the bold colours, the simplicity of it all, as none of it is accidental. NetEnt built Mega Joker to feel like a memory.

Theme and Story of the Mega Joker Slot

Graphics, Sounds and Vibes

The design of the Mega Joker slot fully embraces its retro theme, and although its visuals are basic compared to today’s standards, the arcade-style slot machine design and lights, combined with the crisp design of the symbols, are nostalgic and not outdated. The Supermeter mode adds a subtle change of pace as the top reels add visual flair to each spin.

Here’s what one of the CasinoTopsOnline team had to say about the visuals and audio of Mega Joker:

Missy MacDonald - CasinoTopsOnline
Missy Macdonald Editorial Executive

Mega Joker makes no pretence at being a modern video slot. That's exactly what makes it work. The sound effects are pure arcade. Coins clink, reels clack, and a simple winning tune kicks in on a win. It won't rival Gates of Olympus or Gonzo's Quest on the audio front. But it sets the mood perfectly. If you've ever played a fruit machine at an English seaside arcade, this is that experience digitised. The one downside is that the sound does repeat. For a classic slot, though, that's quite standard.

Mega Joker Slot on Mobile

The Mega Joker slot machine can be played on mobile devices in both portrait and landscape modes. In portrait mode, the two sets of reels are stacked vertically, and this looks good with the two-reel layout. The spin button is within comfortable reach, too.

In landscape mode, the slot machine looks wider and more balanced with both sets of reels placed more centrally, which some players may prefer as easier to look at.

The animations are not too fancy, so the slot machine performs well on older devices too, and it loads quickly.

Here’s what CasinoTopsOnline’s top reviewer had to say about Mega Joker on mobile:

Eoin McMahon - CasinoTopsOnline
Eoin McMahon Content Team Lead

Mega Joker's simple design is a genuine advantage on mobile. There's no cluttered UI, no complex elements fighting for screen space. Just two clean reel sets and the Supermeter display. I tested the game across several sessions on an iPhone 13. Responsiveness was never an issue. If anything, the game feels more natural on mobile than on desktop. There's something satisfying about holding what feels like a miniature fruit machine in your hands. The lack of complex animations also means battery drain is minimal. Many modern feature-rich slots will chew through your battery in an hour. Mega Joker won't. For players who like a long session without worrying about their charge, that's a quiet but worthwhile bonus.

Mega Joker Slot Bonus Features

The Mega Joker slot is built around its Supermeter mechanic and progressive jackpot rather than traditional free spins or Mega Joker bonus features and rounds.

Supermeter Mode

If you win in the base game and bet at the maximum amount (£2), the winnings will go to the Supermeter on the upper reels. In this mode, you can set the number of coins to bet per spin (20, 40, 100, or 200), and the payouts will be variable as each winning combination will give a random amount within a certain range. This is the game's strategic depth, and this is where the 99.00% RTP comes in.

Progressive Jackpot

The Mega Joker slot has a local progressive jackpot, which means it is exclusive to the casino you play at. To be eligible for the progressive jackpot, you have to play at the maximum bet of 200 coins in Supermeter mode. The progressive jackpot will only be awarded when you have three Joker symbols on the upper reels, and it will increase with each spin made on the slot at your chosen casino.

Mystery Wins

In Supermeter mode, symbol payouts are not fixed. Instead, each winning combination pays a random amount within a predefined range. This means that three Stars in Supermeter could pay considerably more than the same combination in the base game, depending on your bet level, adding unpredictability to every spin on the upper reels.

Mystery Wins

Expert Take

The Supermeter mechanic is what separates Mega Joker from virtually every other classic slot on the market. It introduces a genuine risk-reward decision: do you collect your base game win or gamble it for a shot at the enhanced payouts and the progressive jackpot? That layer of agency is rare in slots, and it is the reason the game’s RTP can reach 99.00%, but only for players who understand the optimal strategy. Compared with Jackpot 6000, which uses a similar Supermeter structure, Mega Joker feels slightly more generous in its payout ranges, and the progressive jackpot adds an extra incentive to play at maximum bet. For most casual players, however, the real-world RTP will be lower, and that is worth keeping in mind.

Mega Joker Slot Wagering Details

Here are the important numbers behind the Mega Joker game.

RTP and Volatility

The headline Mega Joker RTP is 99.00%, one of the highest in the entire industry. However, this figure applies only to optimal Supermeter play. The base game alone returns significantly less, estimated at around 85.64%. The Mega Joker volatility is rated high (4/5), meaning sessions can swing considerably depending on Supermeter outcomes and jackpot eligibility. The hit frequency in the base game is relatively standard for a classic fruit machine, though NetEnt has not published an exact figure.

Bet Sizes and Variance

The range of bets in the base game is between £1 and £2, and the range of bets in the Supermeter mode is the total amount you have accumulated, which can be 20, 40, 100 or 200 coins per spin. The progressive jackpot is the maximum payout, with no limit. There is no buy option, and the ante bet is not available in the game.

Jackpots and Best Wins

There is a local progressive jackpot, which increases at each casino. The jackpot amount increases with the number of people contributing. There is no Mega Joker maximum win, as the progressive jackpot is the maximum. This can be in the tens of thousands, depending on the casino. Unlike other games, such as Mega Fortune, the jackpot resets at each casino.

Bonus Frequency

The fact that the Supermeter mode is activated by any base game win, as long as the player is betting at maximum bet, makes this mode activate fairly often, about once in every 3 to 5 spins. However, the chances of triggering the progressive jackpot are significantly lower. Winning three Jokers in the Supermeter mode while betting at maximum bet is a low-frequency occurrence, similar to the lowest frequency bonus triggers in contemporary high-volatility slot machines.

Testing the Mega Joker Slot with a £50 Bankroll

I played the free play version of the Mega Joker demo game with a £1 coin per spin for around 50 spins. The base game was relatively quiet for the first 15 spins, and my bankroll increased to £41. On spin 16, a three Bell win activated Supermeter mode. This saw me place 100 coins on the upper reels and win a 300 coin mystery prize. As a result, increasing my bankroll to £44. For the next 20 spins, I played Supermeter mode four times with varied results: two good mystery wins and two losses. At spin 42, three Stars in Supermeter mode at 200 coin bets won me 600 coin prizes and ended my session on £58, a £8 gain.

Testing the Mega Joker Slot with a £50 Bankroll

James Fuller Contributer
James Fuller Contributor & EU Market Expert

My session RTP came out at roughly 116%, but that was driven by a single strong Supermeter win. Without it, I would have been below breakeven. The 99.00% RTP requires consistent, optimal Supermeter decisions over hundreds of spins, so expect short sessions to vary considerably from the headline figure.

Mega Joker Slot vs Similar Slot Games

All three titles share a classic or retro structure. The table highlights where they differ.

FeatureMega JokerJackpot 6000Fire Joker
ProviderNetEntNetEntPlay’n GO
RTP99.00%98.86%96.15%
VolatilityHigh (4/5)High (4/5)High (4/5)
Max WinProgressive JackpotProgressive Jackpot800x
Grid3x33x33x3
Key MechanicSupermeter + ProgressiveSupermeter + ProgressiveRespin of Fire + Multiplier Wheel
ThemeClassic Fruit MachineClassic Fruit MachineClassic Joker
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Jackpot 6000 is the closest comparison, using a near-identical Supermeter structure with a slightly lower 98.86% RTP. Fire Joker offers a more modern visual package with the Respin of Fire mechanic but lacks the strategic depth of Supermeter play and has a significantly lower RTP and a fixed 800x max win.

Does CasinoTopsOnline Recommend Mega Joker?

The CasinoTopsOnline team has spent time with Mega Joker and the verdict is clear. The Supermeter feature is the highlight. It transforms what could have been a straightforward fruit machine into something with real strategic depth. The ability to gamble your winnings upward into a higher-stakes mode genuinely changes how you approach each session. The progressive jackpot is another standout. No maximum prize cap means the ceiling is open, and that adds a layer of excitement that classic slots rarely offer.

An unmatched 99.00% Mega Joker RTP, a Supermeter feature with genuine depth, and a progressive jackpot with no maximum prize amount set make it a winner for those who prefer RTP over graphics and animations. Just remember, though, that the advertised RTP is only available when using the Supermeter feature optimally.

If you prefer making strategic decisions and want a higher RTP than bonus features, Mega Joker is one of the most rewarding old-style slots available.

Frequently Asked Questions About Mega Joker Slot

Is it possible to play the Mega Joker online slot without any cost?

Yes. The Mega Joker free demo is available via the free play option at the top of this page. It uses virtual credits, requires no registration, and carries no wagering requirements. All features including Supermeter mode are fully accessible.

Can you give me the RTP for the Mega Joker slot game?

The maximum Mega Joker RTP is 99.00%, but this applies only with optimal Supermeter strategy. The base game alone returns approximately 85.64%, so always consider your playing style when assessing the effective return-to-player at your chosen casino.

What is the smallest amount I can wager on Mega Joker slot?

The minimum bet on the Mega Joker slot is £1 per spin in the base game. In Supermeter mode, the minimum wager is 20 coins from your accumulated Supermeter balance. Some UK casinos may apply additional responsible gambling stake limits.

What is the highest betting threshold for Mega Joker slot?

The maximum bet in Mega Joker’s base game is £2 per spin. In Supermeter mode, the highest wager is 200 coins per spin from your accumulated balance. Playing at the maximum Supermeter bet level is required to unlock the 99.00% RTP and qualify for the progressive jackpot.

Can players earn free spins while playing Mega Joker?

No. The Mega Joker slot does not feature a traditional free spins round. The main bonus mechanic is the Supermeter mode, which activates when you win in the base game at maximum bet and transfer your winnings to the upper reels for enhanced payouts.

Does Mega Joker come with a progressive jackpot option?

Yes. Mega Joker features a local progressive jackpot specific to each casino. To be eligible, you must play in Supermeter mode at the maximum wager of 200 coins. The jackpot is triggered by landing three Joker symbols on the upper reels.

What is the maximum amount that you can earn from Mega Joker?

The maximum fixed reel win is 2,000 coins in Supermeter mode. Beyond this, the local progressive jackpot has no published ceiling and grows with every qualifying spin at your chosen casino, meaning the overall maximum is effectively uncapped.

James Fuller Contributer

James Fuller

Contributor & EU Market Expert

13 Articles
James has been working in the iGaming market, writing for players in both the EU and UK for almost 10 years. He has been contributing accurate and honest reviews that ensure the latest online casinos are up to standard for players worldwide.
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Fact-Checked by Eoin McMahon

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