Big Time Gaming is the Sydney studio that invented Megaways™ — the shape-shifting reels behind Bonanza, licensed to virtually every rival and stamped on 200+ games industry-wide. A three-person engine room that changed slot design more than any studio of its generation, sold to Evolution for €450m in 2021, and still shipping inventions. Our verdict: 9/10. This Big Time Gaming review covers the best BTG slots ranked, the complete 90-game catalogue, the Megaways empire, and the licence file.
Where to Play Big Time Gaming Slots
Big Time Gaming at a glance
The essentials — and a reminder that the most influential slot company of the 2010s is also one of the smallest on this site.
| Full name | Big Time Gaming PTY Ltd — universally “BTG” |
|---|---|
| Founded | 2011, Sydney, Australia, by Nik Robinson with chief engineer Huw McIntosh and art director Ian Schmidt |
| Owner | Evolution AB, via a €450m acquisition agreed in April 2021 — sister studio to NetEnt and Red Tiger |
| UKGC licence | Big Time Gaming PTY Ltd, account 38696 — remote gambling software licence, Active since January 2015 |
| Catalogue | Exactly 90 games on its official roster — boutique output, industrial influence |
| The invention | Megaways™ (2015–16): reels that change size every spin, up to 117,649 ways — licensed to Pragmatic Play, NetEnt, Blueprint, Red Tiger, Relax Gaming, Playtech, IGT, Skywind Group and more; 200+ Megaways titles exist industry-wide |
| Typical RTP | Mid-96% published defaults, with the famous outlier White Rabbit reaching 97.72% via Feature Drop — see the maths |
| Flagship mechanics | Megaways™, Megaclusters™, Megapays™, Megaquads™, Feature Drop™, TapCards™ |
| Best-known games | Bonanza, Extra Chilli, White Rabbit, Danger High Voltage, Who Wants to Be a Millionaire |
| Our score | 9/10 — full verdict below |
✓ Facts checked against the UKGC business licence register, BTG’s official game roster and Evolution’s acquisition announcement — 4 July 2026
The best Big Time Gaming slots: 10 games that actually matter
Ninety games, ten places — easier than usual, because BTG barely ships filler. RTPs are published defaults; builds vary by casino, so check the paytable. The complete ranked catalogue — genuinely complete, all ninety — is at the end of the page.
1. Bonanza (2016)
The big bang. Bonanza took the Megaways concept from Dragon Born, added cascading reactions, unlimited free-spins multipliers and the immortal GOLD scatter word, and detonated the industry — 117,649 ways went from a curiosity to the most-copied number in gambling. It made mine carts iconic, turned “more chillies” into a community catchphrase-in-waiting, and still anchors every serious slot lobby a decade on. Published default around 96%, high volatility, history in motion.

2. Extra Chilli (2018)
Bonanza’s official sequel swapped the mine for a Mexican street market and added the two ideas that defined bonus culture: a free-spins gamble ladder (risk your 8 spins for up to 24) and Feature Drop™, the industry’s first widely-adopted bonus-buy. HOT scatters, unlimited multipliers, and a chaos ceiling that made it the streamer generation’s proving ground. Published default in the mid-96s; the gamble wheel remains slots’ purest test of nerve.

3. White Rabbit (2017)
The thinking player’s Megaways: in the free spins, caught rabbits extend the reels themselves, growing the board toward a colossal 248,832 ways. Add Feature Drop and a published RTP that climbs to 97.72% when you buy the bonus — for years the best openly published value in mainstream slots — and you get the rare high-volatility game the maths crowd endorses. The 2025 sequel finally followed Alice back down the hole.

4. Danger High Voltage (2017)
Six reels, 4,096 ways, an Electric Six soundtrack, and a choice of free-spins doors: gentle Gates of Hell sticky wilds, or High Voltage spins where wilds carry x11 to x66 multipliers and one connected line can rearrange your week. It’s BTG at its most rock’n’roll — loud, silly, savage — and the fire-taxi aesthetic plus that riff made it a cultural fixture far beyond its cohort. Published default around 95.7%; the x66 line remains a community legend.

5. Who Wants to Be a Millionaire Megaways (2018)
The licensed-IP masterclass: Sony’s quiz-show turned into a Megaways slot where the free-spins gamble is a genuine hot-seat ladder — climb toward the maximum spins with lifelines intact, exactly like the show, complete with the heartbeat sound design. It spawned a whole Millionaire product family (Mystery Box, Rush, Megapays, and 2026’s Megapots) and proved TV licences could be mechanics, not wallpaper.

6. Lil Devil (2019)
Be still my beating heart: the most volatile thing BTG has ever released, and its cult classic. Two free-spins modes — Dynamite Riches with multiplied wilds, or the infamous Be Still My Beating Heart spins where enhanced hearts must survive four brutal levels — built on a Bee Gees-quoting, devil-may-care aesthetic. Published default around 96.4%, variance beyond sensible description, and a permanent place in every “most dangerous slots” conversation.

7. Dragon Born (2015)
The actual first Megaways game — the Wright Flyer of variable reels. Before Bonanza made it sing, Dragon Born proved the engine: six reels, each independently two-to-seven symbols tall, recalculating the ways on every spin. Rough beside its descendants, but historically untouchable; every one of the 200+ Megaways titles across the industry descends from this dragon’s egg. In the catalogue for the same reason the first aeroplane hangs in a museum.

8. Star Clusters Megaclusters (2020)
The difficult second invention, delivered: Megaclusters™ starts on a 4×4 grid where every winning symbol splits into four smaller ones, fracturing the board toward 6×6 and cascading through multiplier gates. It’s cluster pays with cell division — nobody else’s grid games work like it — and 2025’s Star Clusters 2 confirmed the line has legs. Proof that BTG wasn’t a one-mechanic wonder.

9. Monopoly Megaways (2019)
Hasbro’s board game with an idea worthy of it: alongside the Megaways reels, Mr Monopoly walks a persistent board, collecting properties that upgrade your future free spins with extra reels and multipliers. It made progression — something slots handle badly — feel native, and it seeded what’s become BTG’s biggest licensed family: Deluxe, Rush Hour and Megapots editions all landed in 2026 alone.

10. Wild Flower (2022)
Late-period BTG showing the licensees how it’s done: a moonlit 5×5 where every wild doubles the win it touches — and wilds stack, so hearts multiply into absurdity while the soundtrack stays serene. The contrast between the game’s meadow calm and its coiled-spring maths is the studio’s design wit in miniature. A modern community favourite with the volatility profile of a sleeping bear.

Big Time Gaming vs the studios it competes with
An odd comparison to draw, because BTG’s biggest rivals are also its customers — they rent its mechanic. Here’s how it stands against the studios we’ve reviewed and the one it’s most often mentioned beside.
| Big Time Gaming | NetEnt | Pragmatic Play | Play’n GO | |
|---|---|---|---|---|
| Founded | 2011, Sydney | 1996, Sweden | 2015 (2007 roots), Malta | 2005 (1997 roots), Sweden |
| Calling card | Invented Megaways™ | Starburst; heritage polish | Sweet Bonanza; output | Book of Dead; grid slots |
| Signature maths | Extreme volatility, ways in six figures | Low–med classics, wild sequels | Scatter-pays tumbles | High volatility, principled caps |
| Release cadence | Boutique — ~90 games in 15 years | Measured, franchise-led | Several per month | Weekly |
| Ownership | Evolution (2021, €450m) | Evolution (2020) | Private investors | Founder-owned |
The honest read: every studio on this table ships more games than BTG. None has shifted the industry’s direction as hard. Pragmatic’s Dog House Megaways, NetEnt’s Gonzo’s Quest Megaways, Blueprint’s entire modern catalogue — all pay Sydney rent. When your competitors’ best sellers run on your engine, the usual comparisons rather miss the point.
The game families, in depth
Ninety games, tightly clustered into product lines — BTG husbanded its franchises long before the industry made that fashionable. The complete catalogue is below; these are the bloodlines.
The Bonanza seam
Bonanza (2016) → Christmas Bonanza → Bonanza Megapays (the jackpot edition) → Bonanza Falls (2024-era cascade rework) → Bonanza Tapcards (2025’s scratch-format crossover). The mine that started the Megaways rush keeps yielding, and Extra Chilli — officially its sequel — extends the seam sideways into the market square. Together they’re the franchise nucleus of the entire studio.
The Millionaire enterprise
The Sony quiz licence became BTG’s most versatile property: Millionaire (2018), Millionaire Mystery Box (the loot-box variant), Millionaire Rush (2022), Millionaire Megapays (the network-jackpot edition whose seven-figure potential lives up to the name) and 2026’s Millionaire Megapots. One IP, five different product philosophies — a case study in licence stewardship.
The Monopoly board
Monopoly Megaways (2019) opened the Hasbro partnership; 2026 turned it into a full property portfolio — Monopoly Rush Hour (February), Monopoly Deluxe (March) and Monopoly Megapots (April), plus a Tapcards edition. Nobody doubts which licence Evolution wants front-and-centre this year.
The rock wing
Danger High Voltage (Electric Six), The Final Countdown (Europe) and Holy Diver (Dio) — BTG’s music trilogy, where the licence is a needle-drop and the maths does the moshing. DHV’s 2024-era sequel Danger High Voltage 2 and Megapays edition keep the amps warm. Less famous than NetEnt Rocks, and frankly better games.
The Rabbit hole
White Rabbit (2017) grew the reels; White Rabbit 2 (November 2025) returned to Wonderland with the Queen in tow. Two games, eight years apart, both built on the same beautiful idea — that the board itself should be the bonus.
The Mega-lineage
The inventions as a family: Dragon Born and Queen of Riches (proto-Megaways), Bonanza (perfected Megaways), Slot Vegas Megaquads (2020, four synchronised grids), Star Clusters Megaclusters (2020, splitting symbols), Millionaire Megapays (2021, networked jackpots), Beef Lightning’s Megadozer coin-pusher engine, and the 2025–26 Megapots and TapCards lines. Most studios iterate one idea; BTG’s family tree is a patent office.
Signature mechanics & technology
No studio’s mechanics section matters more, because BTG’s mechanics are the modern industry. What each one actually does, mathematically:
Megaways™
Each reel independently displays two to seven symbols per spin, so the ways-to-win recalculate constantly — up to 117,649 (7&sup6;) on the classic six-reel format. The effect is structural: hit frequency and volatility themselves fluctuate spin by spin, tall boards feeling loaded, short boards starved. Combined with cascades and unlimited free-spins multipliers (Bonanza’s other gift), it produced the win distribution that defined the volatility era — and, licensed out from 2017, it became the industry’s most successful rental product ever: Pragmatic first, NetEnt, Blueprint, Red Tiger, Relax, Playtech, IGT, even Light & Wonder’s Barcrest for Rainbow Riches Megaways — 200+ games and counting.
Feature Drop™
Extra Chilli’s second gift: pay a displayed price, skip straight to the bonus. BTG’s version has a wrinkle the copies dropped — the price fluctuates below or above face value as base-game events discount it, making the buy itself a game. (UK players note: bonus-buying is banned here, so British reels get the discount mechanic’s base-game side only.) White Rabbit’s Feature Drop famously lifts its RTP to 97.72% — the rare buy that mathematically improves the game.
The gamble ladders
Extra Chilli and Millionaire let you wager your triggered free spins on a ladder — double-or-drop toward the maximum. It’s the purest risk-preference device in slots: identical expected value, wildly different variance, your call. Community folklore divides permanently into ladder-climbers and cowards, and the game knows it.
Megaclusters™, Megaquads™, Megadozer™
The post-Megaways portfolio: symbols that subdivide on winning (Star Clusters), four synchronised reel-sets that merge (Slot Vegas Megaquads), and a coin-pusher physics engine (Beef Lightning). Not all conquered the world; all were genuinely new, which in a copycat industry is its own flex.
Megapays™ and Megapots™
The jackpot chapters: Megapays (2021) bolts a four-tier networked jackpot onto BTG titles across Evolution’s estate, while the 2025–26 Megapots line builds pot-collection into the games themselves. The studio that spent a decade proving fixed maths could out-thrill jackpots now runs both philosophies side by side.
TapCards™
2025’s left-field launch: scratch-format instant games wearing BTG’s biggest brands (Bonanza, Extra Chilli, Millionaire, Monopoly, Big Bucks). A fourth product category from a company of this size is almost showing off.
Big Time Gaming slots RTP: the real numbers
BTG’s maths profile is the industry’s id: maximum volatility, honestly labelled.
The defaults: published RTPs cluster in the mid-96s — Bonanza around 96%, Extra Chilli and the Millionaire line similar, Lil Devil around 96.4% — with the great outlier being White Rabbit’s 97.72% via Feature Drop, for years the best openly published figure among mainstream high-volatility slots. Danger High Voltage sits lower, around 95.7%, and wears it openly.
The builds: like every modern supplier, BTG ships reduced-RTP configurations of its catalogue and casinos choose per game — the same quiet menu system we document across NetEnt, Pragmatic and Play’n GO. The in-game info screen states the build you’re actually on; read it before depositing, because two casinos’ Bonanzas are not necessarily the same Bonanza.
Volatility and ceilings: this is the deep end of the pool. Unlimited free-spins multipliers mean Bonanza and Extra Chilli have no meaningful “typical” bonus — the distribution is a long desert punctuated by geysers, and Lil Devil’s heart mode is the most feared bonus in mainstream slots. Sessions here need bankroll discipline that gentler catalogues never ask for; our responsible gambling guide isn’t boilerplate on this page. The Megapays network adds seven-figure jackpot potential on top of already-extreme base maths.
From Sydney start-up to the industry’s landlord
The whole arc, from three people with an idea to the mechanic on every lobby’s front page:
| Year | What happened |
|---|---|
| 1996 | Prehistory: Nik Robinson founds New Tech Media, later absorbed into OpenBet after a News Corp acquisition — the money and know-how behind the next act |
| 2011 | Big Time Gaming founded in Sydney by Robinson, Huw McIntosh and Ian Schmidt |
| 2015 | UKGC software licence granted (January); Dragon Born ships — the first game where the reels change shape every spin |
| 2016 | Bonanza: 117,649 ways, cascades, unlimited multipliers — the modern volatility era starts here |
| 2017 | White Rabbit and Danger High Voltage in one year; Megaways licensing begins, Pragmatic Play first through the door |
| 2018 | Extra Chilli introduces Feature Drop and the spins gamble; Millionaire opens the TV-licence line |
| 2019 | NetEnt takes a Megaways licence; Monopoly and Lil Devil ship; the mechanic becomes an industry standard |
| 2020 | Second-invention year: Megaclusters (Star Clusters) and Megaquads (Slot Vegas) |
| 2021 | Evolution agrees to acquire BTG for €450m (April); Megapays launches the jackpot network |
| 2022–24 | Inside Evolution: Wild Flower’s cult, Beef Lightning’s Megadozer, the Max Megaways series, 200+ Megaways titles industry-wide |
| 2025 | White Rabbit 2, Star Clusters 2, Castle of Terror 2, Warlocks — and TapCards, a whole new product category |
| 2026 | The Monopoly year: Rush Hour, Deluxe and Megapots, plus Fruit Merge Megapots and Monster Quest (June) |
The through-line: a studio that ships eight games a year changed the industry more than studios shipping eighty, because it licensed its best idea instead of hoarding it. The €450m Evolution paid wasn’t for a catalogue — it was for the intellectual property every rival was already renting, and the three people who kept inventing more.
The people who built Big Time Gaming
BTG’s scale makes its influence funnier: this is essentially a boutique built around three names.

Nik Robinson — the serial inventor
Robinson’s first company, New Tech Media, was building digital gambling tech in the 1990s and ended up inside OpenBet via News Corp — meaning he’d already sold one future to a giant before founding BTG in 2011. The Megaways gamble was his: a bet that players were bored of static reels, made years before the market agreed. He ran BTG through the Evolution deal and its aftermath as slots’ most quotable evangelist for reinventing the reel itself.
Huw McIntosh — the mathematician of the ways
Chief engineer, and the reason the invention actually works: variable-height reels recalculating ways every spin, cascades feeding unlimited multipliers, four grids spinning in sync — someone has to make that compute, provably fair, on a phone, in milliseconds. McIntosh’s engine is arguably the most-licensed piece of pure game engineering in gambling history.
Ian Schmidt — the look of the era
Art director and the third founder: Bonanza’s mine carts, White Rabbit’s Wonderland, DHV’s fire-taxi disco — the visual language that made extreme maths feel like a party rather than a spreadsheet. The style is unmistakable enough that “it looks like a BTG” needs no elaboration in any slots community.
Is Big Time Gaming fair? Licensing, regulation & the record
Checked against the Gambling Commission’s business register on 4 July 2026.
The licences. Big Time Gaming PTY Ltd holds UKGC account 38696 with an active remote gambling software licence dating to January 2015 — granted before Bonanza existed, active without interruption since. Distribution now also flows through parent Evolution’s licence estate (Evolution Malta Holding, account 41655), alongside sister studios NetEnt and Red Tiger. Verify on the UKGC public register.
The record. BTG’s own slate is clean — no UKGC enforcement action, penalty or licence review against the studio that we can find. The honest asterisk is corporate: its parent Evolution has been under a Gambling Commission section 116 licence review since December 2024 over group games reaching British players via unlicensed sites — we cover that fully on our NetEnt page, it applies to the whole Evolution stable, and we’ll update as the Commission concludes. Nothing in that review concerns the fairness of the games themselves.
So is it fair? Yes, with the standard modern caveats: independently certified RNG in every regulated market, published RTPs in every paytable, eleven years of blemish-free UK licensing. The genuine player-welfare question with BTG isn’t integrity — it’s intensity. These are the most volatile mainstream slots in Britain, and the studio’s honesty about that (volatility ratings, published distributions) doesn’t make a session on Lil Devil any gentler. Stake accordingly.
The biggest Big Time Gaming wins
BTG’s maths produces monsters on camera more reliably than any catalogue of its size — unlimited multipliers will do that. Documented ceilings and on-camera events only, as ever:
| The number | What it is | The detail |
|---|---|---|
| 117,649 | The famous figure | Not a win but the ways-count that changed slots — 7&sup6;, recalculated every spin |
| Unlimited | Bonanza / Extra Chilli free-spins multiplier | No cap by design — the multiplier climbs with every cascade, which is why five-figure-x bonuses exist on video |
| x66 wilds | High Voltage spins, DHV | One connected wild line through x66 territory is the community’s white whale — landed, famously, more than once |
| Seven figures | Megapays network jackpots | The pooled tier across Evolution’s estate, seeded to Millionaire-scale money — the clue is in the flagship’s name |
| 248,832 | White Rabbit’s extended board | The biggest ways-count in the core catalogue, grown mid-bonus by caught rabbits |
Seeing is believing with maths like this — a month of BTG’s community carnage in one reel, and an Extra Chilli ladder climbed to 24 spins and paid:
Videos embedded for illustration — results shown are the players’ own, and unlimited multipliers cut both ways.
Beyond the reels
The stories that make BTG the most interesting small company in gambling — none of which the ranking competitors bother to tell.
The licensing empire
BTG’s real business isn’t its 90 games — it’s the rent. From 2017 the studio licensed Megaways to its own competitors, and the results built modern slots: Blueprint alone has shipped dozens of Megaways titles, Pragmatic’s Dog House Megaways out-earns most studios’ whole catalogues, and by 2022 the industry counted 200+ Megaways games. No other studio has ever monetised an idea this way at this scale — BTG effectively taxed its own genre. (The closest imitator of the playbook is Yggdrasil, whose GigaBlox and DoubleMax trademarks now earn rent the same way; ReelPlay’s Infinity Reels, licensed to Relax Gaming and Light & Wonder, runs the same script on a smaller scale still.) Iron Dog Studio, a licensee since 2022, has gone a step further than most by building its own Branded Megaways concept on top of the borrowed engine, letting operators customise its licensed releases — a smaller-scale echo of BTG’s own strategy of turning a licence into a product.
The Australia paradox
The most influential online-slot studio of its era is based in a country where online slots are illegal to offer domestically. BTG has never had a home market — Sydney engineering, licensed worldwide, playable everywhere except out the office window. Few better illustrations exist of how global this industry actually is.
The music licences with taste
Electric Six for a disco inferno, Europe for a countdown that is itself a bonus trigger, Dio for holy-diver free-fall spins — BTG’s rock wing treats each track as a mechanic brief rather than set dressing. The Final Countdown’s song-synchronised feature remains one of the great audio moments in slots.
The vault: before the ways
BTG’s 2011–2015 prehistory — Gold, Lucky Streak, Star Quest, Faeries Fortune-era titles — is still quietly listed at the bottom of the official roster: competent, conventional games from a studio nobody was watching. Queen of Riches and Dragon Born sit at the hinge, the first experiments in reshaping reels. The lesson in the vault is that BTG was ordinary right up until it wasn’t — then one idea in 2015 made everything before it a museum exhibit.
The company behind the games

BTG’s own site doesn’t publish a detailed testing-lab or ISO certification list the way some larger multi-studio groups do — what it does show plainly is support for BeGambleAware, the UK responsible-gambling charity, alongside the licensing details already covered above. That relative thinness isn’t a red flag so much as a reflection of scale: this is a three-person-founded studio, not a compliance department with a marketing budget to match.
Where BTG’s corporate footprint is genuinely substantial is distribution: its own site states the catalogue reaches 350+ operators, and 2026 alone has brought a dedicated Gamesys exclusive launch window for Monopoly Rush Hour and SkillOnNet’s relaunch of MegawaysCasino.com — an entire casino brand built around BTG’s invented mechanic, a level of third-party devotion no other studio on this site has attracted.
New Big Time Gaming slots: what’s launched for 2025–26
The state of BTG right now: the busiest stretch in the studio’s life — sequels to the crown jewels, a brand-new product category in TapCards, and a Monopoly licensing blitz. SkillOnNet relaunched MegawaysCasino.com in March 2026 as a shopfront built entirely around BTG’s mechanic, under the tagline “Built to Play the Mega Way” — a sign of how far the licensing empire now reaches beyond BTG’s own 90 games. This section refreshes with every significant launch.
| Release | When | Why it matters |
|---|---|---|
| Monster Quest | June 2026 | The newest invention on the slate as we publish |
| Fruit Merge Megapots | May 2026 | The Megapots line meets merge mechanics |
| Monopoly Megapots | March 2026 | The board game joins the pot-collection era |
| Millionaire Megapots | March 2026 | 91,000x max win and a Hot Seat gamble ladder — the highest published max-win figure in BTG’s 2026 slate |
| Monopoly Rush Hour | January 2026 | 2026’s Monopoly blitz begins, with an exclusive Gamesys launch window |
| Monopoly Deluxe | January 2026 | The flagship licence, remastered |
| Warlocks | December 2025 | Original IP closes a sequel-heavy year |
| Christmas Megapots | December 2025 | The Megapots line’s festive debut |
| White Rabbit 2 | November 2025 | Eight years on, back down the rabbit hole |
| Castle of Terror 2 | October 2025 | The horror line returns |
| Star Clusters 2 | September 2025 | Megaclusters gets its sequel |
| Big Bucks Deluxe | April 2025 | High-stakes ways with a Deluxe polish |
| Max Megaways 3 | February 2025 | The maximalist series’ third outing |
Every release ships in multiple RTP builds as standard — the paytable check applies here as everywhere.
What players actually say
Synthesised from streamer communities, UK slots forums and years of bonus-hunt threads — in our words, cons intact.
The love: nothing hits like a BTG. When the multiplier is climbing through the twenties with cascades still falling, or the DHV wild line connects, the ceiling-less maths delivers moments other studios structurally cannot — and the community’s highlight culture is built disproportionately on this catalogue. White Rabbit’s maths earns rare respect from the sharpest players, and the studio’s inventor status gives it a prestige no volume shipper enjoys.
The gripes, plainly: the droughts are biblical — between the geysers lies desert, and casual bankrolls die there; “BTG owes me” is a community proverb. Output is slow, and the recent sequel-and-licence lean (three Monopolys in four months) draws grumbles that the inventors are curating instead of inventing. Some find the older engines dated on small screens beside 2026 production values. And the UK’s bonus-buy ban stings hardest here, where Feature Drop was half the design. All fair; none of it stops the clips.
Which Big Time Gaming slot should you play?
The thirty-second version of everything above:
| If you want… | Play | Why |
|---|---|---|
| The essential experience | Bonanza | The game that built the era |
| The best openly published maths | White Rabbit | 97.72% with Feature Drop, growing reels |
| Maximum chaos | Extra Chilli | Gamble the spins, ride the cascades |
| The dangerous cult classic | Lil Devil | The most feared bonus in mainstream slots |
| Rock’n’roll | Danger High Voltage | Electric Six and x66 wilds |
| Progression that means something | Monopoly Megaways | The board upgrades your bonus |
| The history lesson | Dragon Born | The first Megaways game, full stop |
Our verdict on Big Time Gaming
Slot Providers score: 9/10 — the inventor’s inventor: the most influential slot studio of its generation, docked only for pace and the sequel lean.
| Game quality | 9/10 — a hit rate no volume studio approaches; even the misses are interesting |
|---|---|
| Innovation | 10/10 — Megaways alone reshaped the industry; then it invented four more categories |
| Maths & transparency | 8/10 — honest labelling of brutal variance; White Rabbit’s 97.72% is a landmark; builds vary as everywhere |
| Mobile experience | 8/10 — solid throughout, though the oldest engines show their age beside the 2026 cohort |
| Catalogue depth | 8/10 — 90 tightly-curated games; boutique by choice, and it shows both ways |
What Big Time Gaming gets right
- Invented Megaways™ — reshaped the whole industry and still earns rent from 200+ licensed games elsewhere
- White Rabbit’s 97.72% RTP via Feature Drop is one of the best openly published figures in mainstream slots
- A genuinely deep top-10 — a hit rate no volume studio with hundreds of releases approaches
- Still actively inventing — Megaclusters, Megapays, Megapots and TapCards are four more genuine categories, not just sequels
Where it still falls short
- Boutique pace — 90 games in fifteen years next to rivals shipping hundreds
- Extreme volatility means real droughts; casual bankrolls can run dry between the geysers
- 2026’s output leans heavily on sequels and Monopoly licensing rather than fresh invention
- The UK’s bonus-buy ban strips out Feature Drop, half of Extra Chilli and White Rabbit’s original design
BTG suits volatility players, bonus-round romantics, maths appreciators and anyone who wants to feel a genuine ceiling-less chase. Look elsewhere if you need steady sessions — NetEnt’s classics or Wolf Gold-tier Pragmatic are far kinder — or weekly novelty, which is Play’n GO’s department. And mind the stake: unlimited multipliers are downstream of unlimited droughts.
Every Big Time Gaming slot, ranked — the complete catalogue
A rarity on this site: the genuinely complete list. All 90 games on BTG’s official roster, ranked by all-time greatness — popularity, influence, maths and staying power blended. (NEW) marks 2025–26 releases. Because this is the full official catalogue, nothing is missing; we re-rank as new games ship.
| # | Slot | Year | In one line |
|---|---|---|---|
| 1 | Bonanza | 2016 | The game that built the Megaways era |
| 2 | Extra Chilli | 2018 | Feature Drop, the ladder, the legend |
| 3 | White Rabbit | 2017 | Growing reels and 97.72% maths |
| 4 | Danger High Voltage | 2017 | Electric Six and the x66 line |
| 5 | Millionaire | 2018 | The TV licence as a mechanic |
| 6 | Lil Devil | 2019 | The most feared bonus in slots |
| 7 | Dragon Born | 2015 | The first Megaways game ever |
| 8 | Star Clusters Megaclusters | 2020 | Symbols that split — invention number two |
| 9 | Monopoly Megaways | 2019 | Board-game progression done right |
| 10 | Wild Flower | 2022 | Serene meadow, doubling-wild violence |
| 11 | White Rabbit 2 (NEW) | 2025 | Back down the hole, Queen in tow |
| 12 | The Final Countdown | 2018 | Europe’s anthem as a bonus trigger |
| 13 | Bonanza Megapays | 2022 | The mine joins the jackpot network |
| 14 | Millionaire Megapays | 2021 | Seven-figure network potential, aptly named |
| 15 | Holy Diver | 2018 | Dio-soundtracked ways with armour upgrades |
| 16 | Slot Vegas Megaquads | 2020 | Four grids, one absurd idea that works |
| 17 | Danger High Voltage 2 | 2024 | The disco inferno, rewired |
| 18 | Beef Lightning | 2022 | Megadozer’s coin-pusher physics |
| 19 | Kingmaker | 2019 | Crown-collecting ways with regal teeth |
| 20 | Millionaire Rush | 2022 | The hot seat at pace |
| 21 | Star Clusters 2 (NEW) | 2025 | The splitting grid returns |
| 22 | Apollo Pays | 2021 | Megaways goes Olympian |
| 23 | Rasputin Megaways | 2021 | History’s maddest monk, fittingly volatile |
| 24 | Royal Mint | 2020 | Megaclusters in the coin press |
| 25 | Chocolates | 2021 | The gentle one — genuinely lovely box-opening maths |
| 26 | Monopoly Megapots (NEW) | 2026 | The board meets the pots |
| 27 | Cyberslot Megaclusters | 2021 | The splitting grid goes neon |
| 28 | Millionaire Mystery Box | 2020 | The quiz show’s loot-box cousin |
| 29 | Gold Megaways | 2021 | The purist’s Megaways — stripped and sharp |
| 30 | Wheel of Fortune Megaways | 2021 | America’s wheel on Sydney’s engine |
| 31 | Survivor Megaways | 2021 | Immunity idols as slot furniture |
| 32 | Monopoly Deluxe (NEW) | 2026 | The licence, remastered |
| 33 | Vegas Megaways | 2022 | Strip-lit ways with casino-floor pace |
| 34 | Max Megaways | 2022 | The maximalist line begins |
| 35 | Castle of Terror | 2022 | Hammer-horror ways done with relish |
| 36 | Castle of Terror 2 (NEW) | 2025 | The drawbridge drops again |
| 37 | Warlocks (NEW) | 2025 | Original sorcery to close 2025 |
| 38 | Monster Quest (NEW) | 2026 | The newest invention on the slate |
| 39 | Big Bad Bison | 2023 | Stampede maths, prairie-sized |
| 40 | Danger High Voltage Megapays | 2023 | The inferno, networked |
| 41 | Monopoly Rush Hour (NEW) | 2026 | The 2026 Monopoly blitz opener |
| 42 | Max Megaways 2 | 2023 | More of the most |
| 43 | Max Megaways 3 (NEW) | 2025 | The trilogy’s loudest chapter |
| 44 | Big Bucks Deluxe (NEW) | 2025 | High-stakes ways, Deluxe finish |
| 45 | Bonanza Falls | 2024 | The mine’s cascade rework |
| 46 | Fireworks Megaways | 2024 | Pyrotechnic ways display |
| 47 | Golden Catch | 2023 | BTG fishes the fishing genre, its way |
| 48 | Wild Portals | 2023 | Teleporting wilds across the ways |
| 49 | Millionaire Megapots (NEW) | 2026 | 91,000x max win, Hot Seat gamble ladder |
| 50 | Fruit Merge Megapots (NEW) | 2026 | Merge mechanics meet the pots |
| 51 | Christmas Megapots (NEW) | 2025 | The pots line’s festive debut |
| 52 | Star Clusters Megapays | 2023 | The splitting grid, networked |
| 53 | Golden Goose Megaways | 2024 | Golden eggs on shifting reels |
| 54 | Pirate Pays | 2022 | Megaways on the high seas |
| 55 | Millionaire Tapcards (NEW) | 2025 | The quiz goes scratch-format |
| 56 | Bonanza Tapcards (NEW) | 2025 | The mine in your pocket |
| 57 | Extra Chilli Tapcards (NEW) | 2025 | Chillies, scratched |
| 58 | Monopoly Tapcards (NEW) | 2026 | The board as instant win |
| 59 | Big Bucks Deluxe Tapcards (NEW) | 2026 | The fourth format fills out |
| 60 | Crystal Towers (NEW) | 2025 | Tower-building cluster play |
| 61 | Burgers | 2024 | Stacked-patty silliness, BTG-style |
| 62 | Boo (NEW) | 2026 | Friendly frights on modern maths |
| 63 | Fizzy Pennyslot (NEW) | 2026 | Penny-arcade nostalgia engine |
| 64 | Trigger Happy (NEW) | 2026 | Quick-draw ways action |
| 65 | Panda Money | 2024 | Bamboo-flavoured money collect |
| 66 | Christmas Catch | 2023 | Festive fishing, BTG twist |
| 67 | Sanctuary | 2024 | Serene-looking, characteristically not |
| 68 | More Turkey | 2023 | Thanksgiving mayhem, second helping |
| 69 | Wild Unicorns | 2024 | Doubling wilds go mythical |
| 70 | Vegas Rush | 2024 | Strip pace, modern engine |
| 71 | Over the Moon | 2024 | Lunar ways with gentle charm |
| 72 | The Race | 2023 | Competitive-spins oddity |
| 73 | Gifts of Fortune | 2023 | Present-stacking seasonal ways |
| 74 | Christmas Bonanza | 2021 | The mine in tinsel |
| 75 | Outlaw | 2022 | Wanted-poster ways with grit |
| 76 | Kingmaker Fully Loaded | 2023 | The crown, upgraded |
| 77 | Slot Vegas Fully Loaded | 2023 | Megaquads at full throttle |
| 78 | Spicy Meatballs | 2022 | Megadozer’s saucier sibling |
| 79 | King of Cats | 2022 | Feline ways royalty |
| 80 | Pop | 2021 | Bubble-bursting cluster experiment |
| 81 | Diamond Fruits | 2021 | Megaclusters’ fruit-market outing |
| 82 | Lucky Streak Mk2 | 2020 | The early years, patched |
| 83 | Opal Fruits | 2019 | Cascade-era gem worth revisiting |
| 84 | Donuts | 2019 | Glazed 2,401-ways curiosity |
| 85 | Book of Gods | 2018 | BTG’s take on the book genre |
| 86 | Temple Quest Spinfinity | 2018 | Big-symbol temple runner |
| 87 | Queen of Riches | 2016 | Proto-Megaways — the hinge of history |
| 88 | Star Quest | 2015 | Early ways experiment from the quiet years |
| 89 | Gold | 2014 | The vault: pre-Megaways BTG |
| 90 | Lucky Streak | 2014 | Where the roster begins — before the revolution |
Ranked 4 July 2026, release dates cross-checked against BTG’s own news archive 9 July 2026 — the complete official BTG roster of 90 games. Availability and RTP build vary by casino. Years for early and minor titles are best-evidence; the studio doesn’t publish full release archives.
Casinos with Big Time Gaming Games
Bonanza’s decade of fame means BTG is stocked essentially everywhere licensed — and via the Megaways licensees, its DNA is in every lobby twice over. A cross-section of well-known UKGC-licensed operators carrying the catalogue (listed for information only — no commercial relationship, no endorsements; verify any operator on the Gambling Commission register before depositing):
| Casino | Domain | What you’ll find |
|---|---|---|
| bet365 Casino | casino.bet365.com | The BTG originals plus a wall of licensed Megaways titles |
| Videoslots | videoslots.com | About as complete a BTG shelf as exists anywhere |
| LeoVegas | leovegas.com | Bonanza and Extra Chilli as long-standing lobby fixtures |
| Casumo | casumo.com | The core catalogue with the Megapays titles included |
| PlayOJO | playojo.com | BTG staples in a wager-free promotions environment |
| William Hill | williamhill.com | The flagships across casino and games products |
| 888casino | 888casino.com | Bonanza, Millionaire and friends in a veteran lobby |
Checked 4 July 2026. Game availability and RTP builds change — always confirm in the casino’s own lobby and the in-game paytable. 18+, please gamble responsibly.
Sources & Verification
Primary sources checked 4 July 2026, re-verified and expanded 9 July 2026: the Gambling Commission’s business licence register (account 38696); Big Time Gaming’s official site, including its games catalogue and news archive for release dates, mechanics and specifications on every title referenced. Acquisition figures from Evolution’s published announcement (April 2021, €450m). RTPs and mechanics cross-checked against the games’ own in-game information screens. Game imagery from BTG’s official press assets. Spotted an error? Tell us — corrections are actioned as a priority.
✓ Updated 9 July 2026: corrected three 2026 release dates against BTG’s own news archive (Monopoly Rush Hour was mistakenly dated February, actually January; Monopoly Deluxe was mistakenly dated March, actually January; Monopoly Megapots was mistakenly dated April, actually March), fixed Burgers’ year in the full ranked catalogue (was mismarked (NEW) 2026, corrected to its real December 2024 release), added Millionaire Megapots and Christmas Megapots to the new-releases table with sourced max-win and mechanic detail, added a note on SkillOnNet’s Official Megaways Casino relaunch, added a company-website screenshot and certifications/partnerships detail to Beyond the reels, added a pros/cons verdict block with matching Review schema, added a UK-availability FAQ, restored the missing “Which slot to play” jump-nav link, and moved the on-page navigation up under the ads module.
Big Time Gaming FAQs
Who owns Big Time Gaming?
Evolution AB, which agreed to acquire the Sydney studio for €450 million in April 2021 — putting BTG alongside NetEnt and Red Tiger in the Evolution stable. It was founded and built by Nik Robinson, Huw McIntosh and Ian Schmidt.
Did Big Time Gaming really invent Megaways?
Yes — Dragon Born (2015) was the first game with variable-height reels, and Bonanza (2016) perfected the 117,649-ways format. From 2017 BTG licensed the mechanic industry-wide; the 200+ Megaways games from Pragmatic, Blueprint, Red Tiger and others all run under licence from BTG.
Is Big Time Gaming fair, or are its games rigged?
Its games use independently certified RNG, publish RTPs in every paytable, and its UKGC software licence (account 38696) has been active without enforcement action since January 2015. What’s genuinely extreme is the volatility, which the studio labels honestly — check the paytable for the RTP build your casino runs.
What is the best Big Time Gaming slot?
Bonanza is the essential; White Rabbit has the best openly published maths (97.72% with Feature Drop); Extra Chilli is the community’s chaos king. Our full ranked ten, with reasoning, is above.
What RTP is Bonanza?
The headline build publishes around 96%, with reduced builds in circulation as at every modern studio — the in-game information screen states the figure for the build you’re actually playing.
What is the biggest Big Time Gaming win?
The catalogue’s unlimited free-spins multipliers make five-figure-multiplier bonuses a documented, on-camera reality on Bonanza and Extra Chilli, while the Megapays network carries pooled jackpots into seven figures. There’s no single official record — by design, the ceiling is open.
How many games has Big Time Gaming made?
Exactly 90 titles on its official roster as of July 2026 — a deliberately boutique catalogue from the studio whose licensed mechanic appears in over 200 rival games.
What is Feature Drop?
BTG’s bonus-buy mechanic, introduced in Extra Chilli: pay a displayed (and fluctuating) price to trigger the free spins directly. It lifts White Rabbit’s RTP to 97.72% — though UK players can’t use it, as bonus-buying is banned under UKGC rules.
What are the newest Big Time Gaming slots?
2026 has brought Monster Quest, Fruit Merge Megapots and a Monopoly blitz (Rush Hour, Deluxe, Megapots); late 2025 delivered White Rabbit 2, Star Clusters 2, Castle of Terror 2 and Warlocks, plus the new TapCards scratch-format line. Full slate in our new releases section.
Why do so many other studios have Megaways games?
Because BTG rents the mechanic out. Since 2017 it has licensed Megaways to Pragmatic Play, NetEnt, Blueprint, Red Tiger, Relax Gaming (whose Temple Tumble is among the licence’s finest hours), Playtech, IGT, even Inspired Entertainment for its betting-shop-to-online Centurion and Cops ’n’ Robbers franchises, and more — the rare case of a studio profitably taxing its own competitors.
Where can I play Big Time Gaming slots in the UK?
Widely — Bonanza’s decade of fame means BTG is stocked at most major UKGC-licensed operators. Well-known carriers include bet365 Casino, Videoslots, LeoVegas, Casumo, PlayOJO, William Hill and 888casino; see our full casinos section for what each lobby actually stocks. Always verify any operator on the Gambling Commission register before depositing.