Gameburger Studios brands itself as US-style content for non-US markets — “big, bold and full of flavor” — and backs the slogan with one of the more unusual portfolios on this site: a house of Masks of Fire, Pots of Gold and, remarkably, the continuing Megaways-branded life of Mega Moolah, the slot that made the progressive jackpot record book. Founded in 2019 and distributed exclusively through Games Global’s network reaching 900+ operator brands, the studio never sells direct — every game arrives at a UK casino via that one route. Our verdict: 7/10. This review covers the best Gameburger slots ranked, where UK players can spin them, and the full licence file.
Where to Play Gameburger Studios Slots
Gameburger Studios at a glance
The essentials — a US-flavoured studio that reaches every UK casino through exactly one distribution pipe.
| Full name | Gameburger Studios — US-based development team |
|---|---|
| Founded | 2019 |
| Key people | Matt Carvajal, Creative Designer; team collectively holds 20+ years of industry experience |
| UK licence route | Distributed exclusively through Games Global’s licensed network (Games Global Operations Limited, UKGC account 58841, Gambling Software licence active since 15 February 2022). See the licence explained |
| Origin partnership | Signed with Microgaming in 2019, now folded into Games Global’s 2023 rebrand/merger |
| Catalogue | 24 titles confirmed live, built around a small number of recurring franchises |
| Typical RTP | Mostly 96–96.6% on originals; Mega Moolah Megaways notably lower at 86.70% (progressive-funded) — see the maths |
| Flagship mechanics | Masks of Fire coin-collect jackpots, Pots of Gold jackpot ladders, licensed Megaways engine |
| Best-known games | 9 Masks of Fire, Mega Moolah Megaways, Tarzan and the Jewels of Opar |
| Our score | 7/10 — full verdict below |
✓ Facts checked against the UKGC business licence register and the studio’s own site (game-burger.net) — 12 July 2026
The best Gameburger slots: 10 games that actually matter
Ten releases spanning the studio’s two core franchises and its most unusual credit — carrying the Mega Moolah name forward. RTP and max-win figures are published defaults reported by third-party review coverage. The full ranked catalogue is near the end of the page.
1. 9 Masks of Fire (2019)
The game that put Gameburger on the map, released the same year the studio was founded and still the anchor of its identity. A tribal-fire theme on a 20-line grid with a coin-collect jackpot ladder — land enough Mask symbols and trigger one of four fixed prizes. Published figures put it at 96.24% RTP. It performed well enough on launch to spawn the studio’s entire Masks of Fire franchise, now three generations deep.
2. Mega Moolah Megaways (2023)
The most improbable entry in Gameburger’s catalogue: a Megaways-engine continuation of Mega Moolah, the single most famous progressive jackpot slot ever made (its 2018 win of €18.9m remains a Guinness World Record). Gameburger built this Megaways variant under the Games Global umbrella that now owns the Mega Moolah IP, layering the up-to-117,649-ways cascading engine onto the safari theme and the same four-tier progressive jackpot — Mini, Minor, Major, Mega. Published base RTP sits around 86.70%, low by this site’s usual standard, but that figure funds the jackpot pool rather than reflecting poor value; the studio didn’t create the legend, but keeping it alive says something about the trust Games Global placed in the team.
3. Tarzan and the Jewels of Opar (2020)
A licensed Edgar Rice Burroughs jungle-adventure theme — one of Gameburger’s rare forays into branded IP rather than an original concept. Published RTP sits at 96.38%, with a feature wheel bonus round layered over the jungle setting. It’s a useful data point that the studio can work within licensing constraints as comfortably as it builds its own franchises.
4. 12 Masks of Fire Drum Frenzy (2025)
The franchise’s most recent sequel, expanding the original’s jackpot ladder from nine to twelve mask positions and adding a drum-themed multiplier round. Published RTP of 96.05% sits close to the original, and the game is the clearest evidence Gameburger keeps actively iterating its most successful format rather than resting on the 2019 original.
5. 9 Masks of Fire HyperSpins (2023)
A HyperSpins-format reworking of the original, keeping the same 96.24% RTP and jackpot ladder but adding respin mechanics that let symbols lock and re-trigger across an extended spin sequence. Alongside 12 Masks of Fire, it shows Gameburger treating its breakout hit as a platform to iterate on rather than a one-off release.
6. 9 Pots of Gold Megaways (2022)
The studio’s second core franchise, Pots of Gold, gets the Megaways treatment: a leprechaun-and-clover theme with the studio’s coin-collect jackpot ladder layered under a cascading, variable-ways reel structure. Published RTP of 96.10%. Between Masks of Fire and Pots of Gold, Gameburger has effectively built two parallel jackpot-ladder franchises with different visual identities but the same underlying maths philosophy.
7. Hyper Strike Cash Megaways (2024)
A retro-fruit-machine-styled Megaways release with a cash-symbol collection bonus, published at 96.10% RTP. It sits outside both core franchises, suggesting Gameburger occasionally tests standalone concepts rather than only extending Masks of Fire and Pots of Gold.
8. 9 Pots of Gold King Millions (2024)
A King Millions-branded variant of the Pots of Gold format, adding an escalating multiplier meter on top of the usual jackpot ladder. Part of the same iterative pattern seen across the Masks of Fire franchise: take a working format, apply a different bonus modifier, ship a sequel.
9. Mining Pots of Gold (2023)
A gold-rush mining theme on the Pots of Gold jackpot-ladder chassis, one of several thematic reskins of the same underlying format. Competently built rather than groundbreaking — representative of how much of Gameburger’s mid-catalogue operates once you’ve seen the flagship two or three times.
10. Day of the Dinero (2024)
A Day of the Dead-themed release, one of the more visually distinctive standalone titles in the catalogue outside the two main franchises. Sugar-skull symbol art and a Mexican folk-art palette set it apart from the studio’s usual fire-and-gold colour schemes, even if the underlying bonus structure follows familiar Gameburger lines.
Gameburger vs its rivals
The studios a Gameburger player is realistically choosing between — other Games Global house studios and jackpot-ladder specialists.
| Studio | Founded | Calling card | Typical maths | UK ubiquity |
|---|---|---|---|---|
| Gameburger Studios | 2019 | US-style jackpot-ladder franchises, Mega Moolah continuation | ~96% RTP originals; Mega Moolah Megaways 86.70% | High — distributed via Games Global’s full network |
| Oryx Gaming | 2010 | Bragg-owned house of five sub-studios | ~96% RTP | Moderate |
| Booming Games | 2014 | Hold-and-Win-adjacent, celebrity crossovers | ~96% RTP | Moderate |
| Games Global | 2023 (Microgaming legacy) | The multi-studio umbrella Gameburger ships through | Varies by house studio | Very high |
The honest comparison: Gameburger’s UK reach is effectively borrowed from Games Global’s distribution scale rather than built independently, which is exactly the same relationship Oryx has with Bragg’s Wild Streak Gaming sub-studio. What sets Gameburger apart is the Mega Moolah connection — no other small studio on this site carries responsibility for a name with that level of recognition, jackpot record included.
The game families in depth
The Masks of Fire franchise
9 Masks of Fire (2019) → 9 Masks of Fire HyperSpins (2023) → 12 Masks of Fire Drum Frenzy (2025). The studio’s defining franchise, all built on the same coin-collect jackpot-ladder chassis with escalating modifiers — HyperSpins added respin mechanics, Drum Frenzy expanded the mask count and added a multiplier round. Three generations deep and still Gameburger’s most consistently referenced release when the studio is discussed anywhere online.
The Pots of Gold franchise
9 Pots of Gold Megaways, 9 Pots of Gold King Millions and Mining Pots of Gold all share the same jackpot-ladder foundation as Masks of Fire, reskinned around a leprechaun/gold-rush theme rather than tribal fire. It’s effectively a parallel franchise running the identical underlying mechanic under different branding — a pattern of reskinning rather than reinventing that recurs through much of the studio’s mid-catalogue.
Coverage note
Mega Moolah Megaways and Tarzan and the Jewels of Opar sit outside both franchises — one a continuation of acquired IP, the other a licensed brand tie-in — and we’ve covered them individually in the top 10 rather than forcing a family grouping that doesn’t exist.
Signature mechanics & technology
Gameburger’s identity rests on one recurring structural idea, applied to two different visual franchises.
The jackpot ladder
Both Masks of Fire and Pots of Gold use the same core format: collect enough trigger symbols and land one of typically four fixed prize tiers instantly. It’s a format shared with several other studios on this site (Platipus, for one), but Gameburger applies it with more thematic consistency across a genuine multi-generation franchise than most.
Licensed Megaways
Several recent releases — 9 Pots of Gold Megaways, Hyper Strike Cash Megaways, and most notably Mega Moolah Megaways — use the Big Time Gaming-originated Megaways engine under licence, layering variable-ways cascading reels on top of the studio’s own jackpot-ladder bonus structure. Combining a licensed engine with an in-house bonus format is Gameburger’s most technically interesting move.
Exclusive Games Global distribution
Unlike studios that sell direct or through multiple aggregators, Gameburger operates entirely through Games Global’s network — a deliberate, stated choice on the studio’s own site. It removes the need to build separate UK regulatory infrastructure, but it also means Gameburger’s UK visibility rises and falls with Games Global’s own commercial reach rather than the studio’s independent brand recognition.
Gameburger slots RTP: what the numbers actually say
Gameburger’s original titles cluster tightly in a 96–96.6% band — 9 Masks of Fire and its HyperSpins variant both publish 96.24%, 9 Pots of Gold Megaways 96.10%, and Tarzan and the Jewels of Opar 96.38%. The clear outlier is Mega Moolah Megaways at 86.70%, which sits far below the site’s usual range for a reason worth understanding rather than penalising outright: a meaningful slice of every stake on a progressive jackpot slot funds the pooled prize rather than the base game’s return, which structurally depresses the published base RTP figure. It’s the same trade-off every Mega Moolah variant has always made, not a Gameburger-specific shortfall. Always check the in-game paytable at your chosen casino before you play, since these are published defaults rather than studio-guaranteed figures.
A short history of Gameburger Studios
| Year | What happened |
|---|---|
| 2019 | Gameburger Studios founded in the US; signs a content deal with Microgaming; releases 9 Masks of Fire, the studio’s breakout hit |
| 2020 | Tarzan and the Jewels of Opar released — a licensed Edgar Rice Burroughs IP tie-in |
| 2022 | 9 Pots of Gold Megaways launches the studio’s second core franchise; Games Global Operations Limited’s UK software licence goes active (15 February) |
| 2023 | Microgaming’s operations fold into the newly formed Games Global; Mega Moolah Megaways released, extending the legendary Mega Moolah name into the Megaways format; 9 Masks of Fire HyperSpins and Mining Pots of Gold ship |
| 2024 | Hyper Strike Cash Megaways, 9 Pots of Gold King Millions and Day of the Dinero released, broadening the catalogue outside the two main franchises |
| 2025 | 12 Masks of Fire Drum Frenzy launches, the flagship franchise’s third generation |
The pattern across seven years is consistent: a small US team, one distribution partner throughout (Microgaming, then Games Global after the 2023 restructuring), and steady iteration on two proven jackpot-ladder franchises rather than a wide experimental spread.
The people behind Gameburger
Gameburger Studios describes itself as “a collective of industry specialists and technology experts” with more than 20 years of combined experience, rather than fronting a single named founder in its public materials. Matt Carvajal is identified as the studio’s Creative Designer, the most visible name associated with its output. The studio is US-based and has operated under the same exclusive Games Global (formerly Microgaming) distribution relationship since 2019, without a public ownership change or rebrand in that time.
Is Gameburger fair?
Yes. Gameburger Studios does not hold a UKGC licence in its own name — its games reach UK players entirely through Games Global Operations Limited‘s licence, UKGC account 58841, which holds active Remote Gambling Software and Game Host (Casino) licences dated 15 February 2022. This is the same “distributed under a licensed publisher” structure seen elsewhere on this site (Peter & Sons via SkillOnNet, Wild Streak Gaming via Oryx/Bragg) — every Gameburger game served to a UK player runs under active UKGC-certified RNG testing regardless of which studio name appears on the box. We found no regulatory actions, fines or disputes involving Gameburger anywhere. You can verify Games Global’s licence yourself on the UKGC public register.
Gameburger big win videos
No verified record-win press release exists specifically crediting Gameburger’s own releases, so here’s genuine gameplay coverage for the studio’s two most significant games — including a real Mega Moolah progressive jackpot hit, even though that particular win predates the Megaways variant Gameburger built.
First video: 9 Masks of Fire HyperSpins feature breakdown (GamblerID). Second: a genuine £2.77m Mega Moolah progressive jackpot win — illustrative of the jackpot pool Mega Moolah Megaways feeds into, not a Gameburger-specific release.
Beyond the reels
The details that don’t fit neatly into a ranked list:
The company behind the games
game-burger.net keeps its public profile deliberately lean — a games showcase, a short “who we are” statement built almost entirely around the studio’s US-diner branding conceit, and a single confirmed fact about distribution: content flows exclusively through Games Global’s network to “over 900 of the world’s top gaming brands.” It’s one of the more tightly controlled public profiles on this site — no leadership bios beyond Matt Carvajal, no financial disclosures, no acquisition history to report because there hasn’t been one.
Carrying the Mega Moolah torch
Mega Moolah’s 2018 win of £13.2m for a British soldier and its earlier €18.9m Guinness World Record are among the most-cited facts in online slots history. That Games Global entrusted a small US studio with continuing that legacy into the Megaways era, rather than keeping it in-house, is a genuine vote of confidence — and arguably the single most notable thing about Gameburger’s entire portfolio.
A theme-park approach to franchising
Rather than one flagship and a scattering of unrelated titles, Gameburger runs two parallel jackpot-ladder franchises (Masks of Fire, Pots of Gold) with different visual skins over identical underlying maths — closer to how a theme park reuses one ride mechanism under different branding than how most slot studios build a catalogue.
New Gameburger slots: what’s launched recently
The 2025–26 slate has focused on deepening the Masks of Fire franchise’s third generation rather than launching new concepts.
| Game | Released | Franchise |
|---|---|---|
| 12 Masks of Fire Drum Frenzy | 2025 | Masks of Fire |
| Day of the Dinero | 2024 | Standalone |
| 9 Pots of Gold King Millions | 2024 | Pots of Gold |
| Hyper Strike Cash Megaways | 2024 | Standalone |
Release years per third-party review coverage, checked 12 July 2026. Gameburger does not publish exact release dates as consistently as some rivals.
What players say
Community discussion of Gameburger tends to orbit two poles: genuine enthusiasm for the Masks of Fire franchise’s consistency, and curiosity (occasionally confusion) about the studio’s role in continuing Mega Moolah. Players who’ve followed the Masks of Fire sequels praise the format for delivering exactly what it promises — a jackpot ladder that feels fair and frequently reachable rather than a distant chase. The recurring criticism is thematic repetition: once you’ve played one Pots of Gold variant, several others feel like the same game with a different coat of paint. Nobody disputes the studio’s technical competence; the debate is entirely about whether two franchises are enough.
Which Gameburger slot should you play?
| You want… | Play |
|---|---|
| The definitive Gameburger experience | 9 Masks of Fire — the original that built the franchise |
| A shot at the most famous jackpot in slots | Mega Moolah Megaways |
| Licensed IP done well | Tarzan and the Jewels of Opar |
| The franchise at its newest | 12 Masks of Fire Drum Frenzy |
| Something visually distinctive | Day of the Dinero |
Our verdict on Gameburger Studios
Slot Providers score: 7/10 — a small, focused US studio that built two consistently reliable jackpot-ladder franchises and earned the trust to continue the Mega Moolah legacy, held back by thematic repetition across its mid-catalogue and total dependence on Games Global’s distribution reach.
| Game quality | 7/10 — consistently competent, with 9 Masks of Fire and Mega Moolah Megaways as genuine standouts |
|---|---|
| Innovation | 6/10 — the jackpot-ladder format is well-executed but reused across most of the catalogue |
| Maths & transparency | 7/10 — consistent published RTPs on originals; the Mega Moolah figure needs context but isn’t hidden |
| Mobile experience | 7/10 — standard Games Global infrastructure, reliable across devices |
| Catalogue depth | 6/10 — 24 titles is respectable for seven years, though heavily concentrated in two franchises |
Pros
- Two consistently well-built jackpot-ladder franchises, iterated across multiple generations
- Entrusted with continuing the legendary Mega Moolah name into the Megaways era
- Exclusive Games Global distribution means wide, reliable UK availability
- Consistent, stable studio with no ownership churn since 2019
Cons
- Heavy thematic repetition across the Pots of Gold sub-family
- No UKGC licence in its own name — entirely dependent on Games Global’s
- Mega Moolah Megaways’ 86.70% base RTP needs context to understand fairly
- Little public information about the studio beyond its games and one named designer
Gameburger suits players who like a dependable jackpot-ladder format and want a shot at the Mega Moolah name specifically. Look elsewhere if you want broader thematic variety (Spinomenal’s 300+ titles) or a studio with its own direct UK licence rather than a borrowed one (Wazdan, Playson).
Every Gameburger slot, ranked
All 24 confirmed titles, the ten essentials first.
| # | Slot | Franchise | In one line |
|---|---|---|---|
| 1 | 9 Masks of Fire | Masks of Fire | The 2019 original that built the studio’s identity |
| 2 | Mega Moolah Megaways | Standalone | Continuing the most famous progressive jackpot name in slots |
| 3 | Tarzan and the Jewels of Opar | Standalone | Licensed Edgar Rice Burroughs jungle adventure |
| 4 | 12 Masks of Fire Drum Frenzy | Masks of Fire | The franchise’s third generation, expanded ladder |
| 5 | 9 Masks of Fire HyperSpins | Masks of Fire | Respin-format reworking of the original |
| 6 | 9 Pots of Gold Megaways | Pots of Gold | The second core franchise’s Megaways flagship |
| 7 | Hyper Strike Cash Megaways | Standalone | Retro fruit-machine cash-collection Megaways |
| 8 | 9 Pots of Gold King Millions | Pots of Gold | King Millions escalating-multiplier variant |
| 9 | Mining Pots of Gold | Pots of Gold | Gold-rush reskin of the jackpot-ladder format |
| 10 | Day of the Dinero | Standalone | Day of the Dead themed, visually distinctive |
| 11 | 9 Pots of Gold HyperSpins | Pots of Gold | Respin variant of the Pots of Gold format |
| 12 | 9 Mad Hats King Millions | Standalone | Alice-in-Wonderland-flavoured jackpot ladder |
| 13 | Break Da Bank Again Megaways | Standalone | Megaways continuation of a Microgaming-era classic |
| 14 | Break Da Bank Again Respin | Standalone | Respin-format sibling release |
| 15 | Hyper Gold All In | Standalone | Gold-themed cash-collection release |
| 16 | Hyper Star | Standalone | Space/star-themed jackpot format |
| 17 | Hyper Strike HyperSpins | Standalone | Respin sibling of Hyper Strike Cash Megaways |
| 18 | Hyper Viking | Standalone | Norse-themed jackpot ladder |
| 19 | Joker Rush Gold | Standalone | Classic-joker theme with gold-collection bonus |
| 20 | Fishin’ Bigger Pots of Gold | Pots of Gold | Fishing-themed jackpot-ladder variant |
| 21 | Fishin’ Christmas Pots of Gold | Pots of Gold | Seasonal fishing-and-jackpot release |
| 22 | Fishin’ Pots of Gold | Pots of Gold | The original fishing-themed entry in the family |
| 23 | 777 Surge | Standalone | Classic sevens format with a surge multiplier |
| 24 | 11 Champions | Standalone | Sports-themed release, one of the studio’s smaller titles |
Catalogue checked against clashofslots.com’s Gameburger hub and third-party review coverage, 12 July 2026. Gameburger does not publish exact release years as consistently as some rivals, so several lower-table entries omit a year rather than guessing one.
Popular UKGC-licensed casinos with Gameburger slots
Because distribution runs entirely through Games Global’s network, Gameburger’s catalogue reaches the same broad set of UK casinos that carry Games Global’s other house studios.
| Casino | Domain | What you’ll find |
|---|---|---|
| 888casino | 888casino.com | Broad Games Global network coverage including the Masks of Fire and Pots of Gold franchises |
| Betway | betway.com | Wide slots library carrying Games Global-distributed studios, including Mega Moolah variants |
We have no commercial relationship with any casino listed. Availability varies by operator and can change — always verify any operator on the UKGC public register before depositing. 18+, please gamble responsibly. Checked 12 July 2026.
How this page was researched
Primary sources: the UKGC business licence register (Games Global Operations Limited, account 58841, checked 12 July 2026); Gameburger Studios’ own site (game-burger.net) for founding statement and distribution model; clashofslots.com’s Gameburger hub and bigwinboard.com for the current game catalogue, RTP figures and screenshots; and YouTube for gameplay and jackpot-win video. Spotted an error? Tell us and we’ll fix it with a note.
Gameburger Studios FAQs
Who owns Gameburger Studios?
Gameburger describes itself as an independent collective of US-based industry specialists rather than naming a single founder publicly. Matt Carvajal is its named Creative Designer. It distributes exclusively through Games Global.
Is Gameburger licensed in the UK?
Gameburger does not hold a UKGC licence in its own name. Its games reach UK players entirely through Games Global Operations Limited’s active licence, UKGC account 58841, granted 15 February 2022.
Are Gameburger slots fair, or rigged?
Fair. Every Gameburger game runs under Games Global’s active UKGC-certified software licence with certified RNG testing. We found no regulatory actions or disputes involving the studio anywhere.
What is the best Gameburger slot?
9 Masks of Fire (2019) remains the studio’s defining release and the foundation of its longest-running franchise, now three generations deep.
Does Gameburger really make Mega Moolah?
Gameburger built Mega Moolah Megaways, a Megaways-format continuation of the legendary Mega Moolah progressive jackpot slot, under the Games Global umbrella that now owns the Mega Moolah IP. It did not create the original Mega Moolah.
Where can I play Gameburger slots in the UK?
Via any UK casino connected to Games Global’s distribution network, including 888casino and Betway among many others.
Why is Mega Moolah Megaways’ RTP so much lower than other Gameburger games?
Its published 86.70% base RTP reflects that a portion of every stake funds the progressive jackpot pool, structurally lowering the base game’s return — the same trade-off every Mega Moolah variant has made since the original.
What is Gameburger’s signature mechanic?
A coin-collect jackpot ladder (typically four fixed prize tiers) applied across its two core franchises, Masks of Fire and Pots of Gold, often combined with a licensed Megaways engine on newer releases.
How many slots has Gameburger made?
24 confirmed titles as of July 2026, concentrated mainly in the Masks of Fire and Pots of Gold franchises alongside a handful of standalone releases.
Is Gameburger a new studio?
No — founded in 2019, making it seven years old, with a consistent release cadence and no ownership changes throughout that period.