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The reels change on every spin, giving up to 117,649 ways to win. Try 140 Megaways slots free, with RTP and volatility for each.
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Megaways is a reel mechanic where each spin changes the number of symbols on every reel, usually giving up to 117,649 ways to win. Our library has 140 Megaways slots from 16 studios, led by Pragmatic Play (68), and they come in every theme: fishing, wolves, leprechauns, Egyptian temples. The name is a mechanic, not a topic.
Here is an invented example, not a real paytable. On a 20 cent spin, a crown shows 2 times on reel one, once on reel two and 3 times on reel three. That is 2 x 1 x 3 = 6 ways, and if three crowns pay 10 cent a way, the spin returns 60 cent. You still pay one stake, 20 cent, however many ways the spin has.
Some games go past the usual top figure. Buffalo King Megaways and Madame Destiny Megaways go up to 200,704 ways, and White Rabbit Megaways reaches 248,832. Big Bass Bonanza Megaways tops out lower, at 46,656.
Megaways was created by Big Time Gaming, an Australian studio, and patented. Its first slot with the mechanic, Dragon Born, went live in January 2016 on the NYX OGS platform, which includes LeoVegas, offering 117,649 ways against the 4,096 of the biggest slots then (LCB, 23 January 2016). In May 2018 Big Time Gaming licensed it to Blueprint Gaming, reported as a first-of-its-kind deal (CasinoBeats). Blueprint's first two followed that month: Diamond Mine Megaways and an Irish one, Irish Riches Megaways Jackpot King.
January 2016
Dragon Born, the first Megaways slot, goes live with 117,649 ways.
1 May 2018
Big Time Gaming licenses Megaways to Blueprint, the first deal of its kind.
10 May 2018
Diamond Mine Megaways, Blueprint's first, is released.
21 May 2018
Irish Riches Megaways Jackpot King follows, 11 days later.
28 March 2019
Mystery Reels Megaways, now at 98.06% RTP.
23 July 2019
Rainbow Riches Megaways.
13 August 2020
The Dog House Megaways.
13 July 2026
The Dog House Megaways 1000.
Release dates in our library show the mechanic is still being used: of the 73 Megaways slots with a release date, 18 came out in 2025 and 7 so far in 2026, against 8 in 2020 and 11 in 2021.
The reels work the same way; what differs is what each studio adds to them. These are the most common pairings among the 140 games:
Pragmatic Play
Pragmatic Play
Pragmatic Play
Pragmatic Play
Pragmatic Play
Reel Time Gaming
Light & Wonder
Blueprint Gaming
Big Time Gaming
NetEnt
Irish players find these games by name. On Google in Ireland, "megaways" and "megaways slots" get about 40 searches a month each (November 2026). Of the 140 Megaways names we checked, only three pass 10 a month: "5 Lions Megaways" (40), "Buffalo King Megaways" (30) and "Madame Destiny Megaways" (20).
The lobbies of Irish-facing casinos we checked in early November 2026 show the same names. PlayOJO Ireland had Fishin' Frenzy Megaways The Big Catch and Buffalo King Megaways in its Popular Games row, William Hill Vegas Ireland had another Fishin' Frenzy Megaways game in its Top Slots, and bet365 listed The Dog House Megaways 1000, 5 Lions Megaways and Madame Destiny Megaways among its popular slots. BetVictor Ireland featured The Goonies Megaways.
Irish folklore has its own Megaways corner. Nine of our games carry both the Irish theme and the Megaways tag. Blueprint's Wish Upon a Leprechaun Megaways has a 50,000x max win. Red Tiger's Golden Leprechaun Megaways (2019) caps at 10,479x. And Playtech's Leprechaun's Luck Cash Collect Megaways PowerPlay Jackpot has the lowest RTP of any Megaways slot with a published figure, 91.93%, so check the version before you play.
The wider picture: ESRI research for the GRAI, published on 4 November 2026, found that 77% of 1,000 surveyed gamblers had gambled online in the previous year, against 59% in person (GRAI).
More ways to win is not the same as winning more. Many of those ways pay small, and the big results tend to come from the bonus round. Most Megaways slots sit at the top of the scale. Of the 72 games with a published rating, 18 are labelled very high and 11 high, and another 23 score 5 on a studio's own scale, the highest level; only 5 are labelled medium.
On a 20 cent spin, a €20 budget is 100 spins. In a very high volatility game like Madame Destiny Megaways you could go all 100 without a bonus; in a medium game like Fruit Shop Megaways or Twin Spin Megaways those 100 spins usually last longer, with smaller wins. Pick the medium end if you want longer sessions.
RTP varies too, from 91.93% to 98.06% across the 95 games that publish it, with a median of 96.15%. For a casino-by-casino view, see our highest RTP casinos.
The variations above cover the four most distinctive pairings: cascading reels, bonus buy, a jackpot and hold and win. The commoner ones are free spins, in 57 of the 140 games, and multipliers, in 42. Only five games combine a jackpot with cascades, among them Irish Riches Megaways Jackpot King and Diamond Mine Megaways Jackpot King, so start there if you want both. Every mechanic is explained on our slot features page.
Pragmatic Play has 68 of the 140, almost half. Blueprint Gaming has 18, all since its 2018 licence from Big Time Gaming, and Red Tiger and Big Time Gaming have 11 each. Reel Time Gaming and Playtech have 6 each, NetEnt and Light & Wonder 4 each, and eight more studios share the last 12.
Each demo here is the studio's own game. With money on it, wins become cashable and the casino may run a lower RTP version, so check the info screen. The GRAI has licensed remote betting in Ireland since 1 July 2026, and online gaming licences are due from 2027, so check a casino's licence on our safest online casinos list and compare where to play in our best slot sites in Ireland. In the same ESRI research, 26% of online gamblers said they lost "a lot" in their most recent session. Real-money play is for adults 18 and over. If gambling stops being fun, GamblingCare.ie runs a free 24-hour helpline on 1800 936 725, and there is more on responsible gambling.
It's a reel mechanic where each reel shows between 2 and 7 symbols on every spin, and wins are paid by ways, not fixed paylines. With six reels the usual top figure is 117,649 ways (7 x 7 x 7 x 7 x 7 x 7); see it in action in The Dog House Megaways.
Not by themselves. Megaways changes how symbols combine, but each game sets its own RTP: the median across the 95 Megaways slots with a published figure is 96.15% (November 2026), close to 96.33% for the whole library. A high one is Mystery Reels Megaways at 98.06%.
The highest we can trace to the game's own rules is 50,000x the bet, on Wish Upon a Leprechaun Megaways and one other Blueprint game. A reviewer lists a Big Time Gaming game at 88,888x, which we haven't confirmed with the studio. It's a cap: on a 20 cent spin 50,000x is €10,000, and reaching it is very unlikely.
Pragmatic Play, with 68 of our 140 (49%), followed by Blueprint Gaming (18), Red Tiger (11) and Big Time Gaming (11), as of November 2026. See all of them on the Pragmatic Play page.
Yes. Every game on this page has a free demo in your browser, with no account and no deposit, and winnings can't be cashed out. Buffalo King Megaways is a good one to start with.
Yes, with an adult account (18+) at a casino that holds a licence. Compare the real-money casinos we rank for Ireland and check the RTP on the game's info screen before you stake, because the casino can run a lower version than the demo.