Megaways slots are a groundbreaking type of casino game, known for their changing number of paylines. First introduced in 2015 by Australian development studio Big Time Gaming, the Megaways engine revolutionised the iGaming space by introducing several innovative elements.
From their cascading systems to dynamic reels, the features that make them so unique can enhance the gaming experience.
At the heart of all Megaways slots is a powerful random reel modifier engine developed by Big Time Gaming. Unlike other traditional online slot games that have fixed paylines, these casino slots feature reels that can display a varying number of symbols in every single spin.
Each reel typically displays between 2 and 7 symbols, resulting in an ever-changing number of paylines in play. For example, if each of the 6 reels that make up the playtable displays 7 symbols, the game could have up to 117,649 paylines. The paylines would be calculated by multiplying the number of symbols on each row, with the formula being 7 × 7 × 7 × 7 × 7 × 7 in this instance.
It is worth noting that some Megaways slots take this concept even further, offering over a million different payline combinations across their shifting playtables. This randomisation means that every spin is different, bringing a whole new dynamic to the gameplay. It is for this reason that they have become so popular.

It is not just the dynamic structures which Megaways are known for, either. These games also come with a suite of other creative features, too, some of the most common ones being:
The birth of Megaways slots occurred in 2015, when Big Time Gaming introduced its proprietary game engine. This was first debuted in a title called Dragon Born; however, it was the release of Bonanza in 2016 which saw the mechanic's notoriety skyrocket. Due to its mining theme, dynamic gameplay, cascading reels and 117,649 total paylines, this title quickly asserted itself as a staple in the casino space.
After recognising the success the mechanic had, Big Time Gaming began licensing the Megaways engine to other top-tier developers. This includes iGaming powerhouses such as Pragmatic Play, NetEnt, and Blueprint Gaming, as well as numerous others. This strategy for licensing their creation out led to an explosion of Megaways slots, with these spanning a huge variety of themes and genres.
Megaways slots didn't just introduce a new way to play casino titles; they also revolutionised the gaming experience and redefined slot gaming. The unique engine breathed new life into the slot industry, as this new subgenre appealed to all players. Big Time Gaming’s innovation did not stop there, either, as they also went on to create a slew of other innovative systems, including their TapCard games, which were their own brand of online scratch cards.
Who invented Megaways slots?
Megaways slots were invented by the Australian game development studio, Big Time Gaming (BTG).
How many ways can you win in a Megaways slot?
The number of ways to win varies with each spin, but most commonly, Megaways slots offer up to 117,649 ways to win. Some games with more reels or unique mechanics can offer even more.
Are Megaways slots highly volatile?
Yes, generally, Megaways slots are known for their high volatility. This means wins might be less frequent, but when they do occur, they have the potential to be significantly larger, especially during bonus rounds.
What are cascading reels in Megaways?
Cascading reels (also known as Reactions or Avalanches) is a popular feature where symbols forming a successful combination disappear after the prize value is collected, allowing new symbols to drop down and potentially create new wins within the same spin. This can lead to consecutive combinations from a single wager.
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