Megaways
BTG’s best-known mechanic changes the number of symbols on each reel from spin to spin, creating a variable number of winning combinations and up to 117,649 ways to win in its classic format.
Game provider guide · Published October 4, 2026
Big Time Gaming Games & Sweepstakes Casinos
Big Time Gaming, commonly shortened to BTG, is an Australian online slot studio founded in 2011. It created the Megaways mechanic and develops feature-led slots including Bonanza, Extra Chilli, Royal Mint and Bonanza Megapays.
Information note: Big Time Gaming develops and supplies casino games. It does not operate the sweepstakes casinos linked on this page. Game availability can vary by casino, location, currency mode and time.
Provider overview
What is Big Time Gaming?
Big Time Gaming was founded in 2011 and is best known for creating Megaways, a dynamic reel mechanic that can produce up to 117,649 ways to win. Bonanza helped establish the mechanic as one of the studio’s signature formats.
Evolution completed its acquisition of Big Time Gaming in 2021. BTG continues to operate as a slot brand within the Evolution group, with a catalogue built around mechanics such as Megaways, Megaclusters, Megapays, Bonus Buy, Win Exchange and other feature systems.
FoundedBig Time Gaming was founded in 2011.
MegawaysThe mechanic can deliver up to 117,649 ways to win.
PortfolioBTG’s games directory lists around 90 titles.
EvolutionEvolution completed its acquisition of BTG in 2021.
Signature mechanics
What is Big Time Gaming known for?
BTG is primarily a slot studio. Its catalogue is built around distinctive reel systems, feature mechanics and jackpot formats rather than a broad mix of table and live casino products.
Megaclusters
Megaclusters divides reel positions into smaller symbol blocks, creating cluster-style wins and a different visual structure from standard Megaways reel layouts.
Megapays
Megapays adds a multi-tier progressive jackpot layer to selected BTG games, including Bonanza Megapays and Danger High Voltage Megapays.
Feature systems
BTG games also use mechanics and options such as Bonus Buy, Win Exchange, Power Play, Feature Drop, Heartstopper, Dual Reaction and other title-specific systems.
Casino availability
Sweepstakes casinos with Big Time Gaming
The casinos below explicitly list Big Time Gaming in their provider or game-catalogue information. Individual titles can vary by location, play mode and time.
Fortune Wins
Fortune Wins lists Big Time Gaming among the software studios represented in its slot-led game catalogue.
Listed in the provider selection
WOW Vegas
WOW Vegas lists Big Time Gaming among more than 35 studios represented across its 2,000+ game catalogue.
Listed among the game providers
Moozi
Moozi includes Big Time Gaming in a broad provider lineup supporting its 3,000+ casino-style game library.
Listed in the software-provider selection
RealPrize
RealPrize lists Big Time Gaming in its provider mix alongside other slot, table, casual and live-game suppliers.
Listed in the software-provider section
SportZino
SportZino names Big Time Gaming among more than 50 software providers available across its casino and social-sports platform.
Listed in the software-studio selectionAvailability can change: casino catalogues rotate, suppliers can apply location restrictions and individual titles can be added or removed. Check the casino lobby for Big Time Gaming availability in your location.
Games and mechanics
Well-known Big Time Gaming slots
These examples show BTG’s best-known mechanics and game families. They do not guarantee that every casino listed above carries every title.
Bonanza
The landmark BTG slot that helped establish Megaways, using a dynamic reel layout with up to 117,649 ways to win and cascading reactions. Official game page.
Extra Chilli
A follow-up to Bonanza featuring Megaways, Dual Reactions, Feature Drop and a Free Spins Gamble mechanic. Official game page.
Bonanza Megapays
A Bonanza variant combining six Megaways reels, cascading wins, free spins and a separate four-tier progressive jackpot feature. Official game page.
Royal Mint
A Megaways slot combining Triple Reaction and Heartstopper mechanics with the expanding reel structure associated with BTG’s signature format. Official game page.
Danger High Voltage
A 4,096-ways slot with two distinct free-spin feature choices and sticky-wild gameplay. Official game page.
Extra Chilli More Chilli
A 2026 sequel using the Megaways engine with Chilli Bonus Respins, Free Spins Gamble, Bonus Buy and Power Play options. Official game page.
Platform roles
Big Time Gaming provider vs casino operator
Seeing BTG or Big Time Gaming in a casino lobby identifies the studio behind the game. It does not identify the company responsible for the player’s sweepstakes casino account.
Big Time Gaming’s role
Develops online slots and game mechanics such as Megaways, Megaclusters and Megapays for distribution through third-party casino platforms.
Casino operator’s role
Controls registration, account rules, state eligibility, promotional currencies, optional purchases, identity checks, prize redemptions, customer support and the final game catalogue.
For the company behind a particular sweepstakes casino, use the Sweepstakes Casino Companies & Operators directory. For other studios, use the Game Providers directory.
FAQ
Big Time Gaming FAQ
What is Big Time Gaming?
Big Time Gaming is an Australian online slot studio founded in 2011. It is best known for creating the Megaways mechanic and for games such as Bonanza and Extra Chilli.
Is Big Time Gaming part of Evolution?
Yes. Evolution completed its acquisition of Big Time Gaming in June 2021, adding BTG to its portfolio of online casino brands.
What is Megaways?
Megaways is a dynamic reel mechanic created by Big Time Gaming. The classic implementation changes the number of symbols on each reel and can provide up to 117,649 ways to win on a spin.
What games is Big Time Gaming known for?
Well-known BTG games include Bonanza, Extra Chilli, Royal Mint, Bonanza Megapays, Danger High Voltage and newer releases such as Extra Chilli More Chilli.
Which sweepstakes casinos list Big Time Gaming?
Examples include Fortune Wins, WOW Vegas, Moozi, RealPrize and SportZino.
Does Big Time Gaming operate sweepstakes casinos?
No. Big Time Gaming develops casino games and mechanics. The casino operator is responsible for player accounts, eligibility, promotional currencies, optional purchases, prize redemptions and customer support.
Are the same BTG games available at every casino?
No. Provider availability and individual titles can vary by casino, location, play mode and time.
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Edvina covers sweepstakes and social casinos, game libraries, casino companies, promotions, account features and responsible-play information.
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