Megaways™ Video Slots

How the Megaways™ Mechanic Works

The Megaways mechanic is built on a random reel modifier — a system that determines how many symbols appear on each reel independently, on every spin. This is what separates Megaways from both standard payline slots and fixed ways-to-win formats like 243-ways games.

Here is how each core element of the mechanic functions:

Variable Reels and Ways to Win
On a six-reel Megaways game, each reel randomly displays between 2 and 7 symbols per spin. The total number of ways to win is calculated by multiplying the symbol count across all six reels. When every reel shows 7 symbols simultaneously, the result is 7 × 7 × 7 × 7 × 7 × 7 = 117,649 ways to win. On the very next spin, the same reels might show 2–4 symbols each, dropping the ways count to a few hundred. This constant variation is the defining characteristic of the format.

Horizontal Reel (Reaction Reel)
Some Megaways titles — including Bonanza Megaways and Extra Chilli Megaways — include a horizontal strip of four symbols that runs across the top of the main reel grid. These symbols participate in winning combinations, effectively adding a seventh row of symbols to the calculation and pushing the theoretical maximum ways to win beyond 117,649.

Cascading Reels (Avalanche Mechanic)
The vast majority of Megaways slots use cascading reels rather than a traditional spin-and-stop mechanic. When a winning combination lands, the winning symbols are removed from the grid and replaced by new symbols dropping in from above. If the new symbols form another winning combination, the process repeats — continuing until no new winning combination is produced. A single paid spin can therefore generate multiple consecutive wins, all paid from the same wager.

Free Spins with Unlimited Win Multipliers
The bonus round in most Megaways titles is a free spins feature triggered by landing scatter symbols — typically between 3 and 6 scatters, with more scatters awarding more spins. What distinguishes the Megaways free spins from those found in standard slots is the unlimited win multiplier. Each cascade within the bonus round increases the multiplier by 1 — and unlike the capped multipliers found in most other slot formats, this multiplier has no ceiling. In practice, a long cascade chain during free spins is where the headline wins in Megaways slots are produced.

Bonus Buy (Feature Buy)
A large proportion of Megaways titles now include a Bonus Buy option, which allows players to pay a fixed multiple of their stake — most commonly between 50x and 100x — to trigger the free spins round directly. The RTP of the slot typically applies in full to the Bonus Buy, making it mathematically equivalent to reaching the bonus through the base game. Bonus Buy is restricted or unavailable in certain regulated markets including the United Kingdom.

Reaction Mechanic Variations
While cascading reels are standard, some licensed Megaways titles apply their own variations to the format. Gonzo's Quest Megaways, for example, uses an Avalanche mechanic with base-game multipliers that increase with each consecutive cascade (1x, 2x, 3x, 5x, 15x during free falls) — a feature carried over from the original Gonzo's Quest. These provider-specific variations mean that no two Megaways titles play identically, even when built on the same underlying engine.

Megaways™ RTP and Volatility — What to Expect

Megaways slots are predominantly high-volatility games. This means wins are less frequent than in low or medium variance slots, but the potential payout when a strong cascade chain occurs — particularly during a free spins bonus with an elevated multiplier — is significantly higher. Players should expect extended periods without a bonus trigger and plan their session bankroll accordingly.

RTP across reviewed Megaways titles ranges from approximately 95.5% to 97.72%, with most clustering around the 96.0%–96.6% range. The highest-returning title in our comparison table is White Rabbit Megaways at 97.72%. It is worth noting that some providers publish multiple RTP versions of the same game — a standard version and a lower-return version used by certain casino operators. Always check the paytable of the specific casino you are playing at to confirm which RTP version is active.

Notable Megaways™ Titles Reviewed on This Page

Bonanza Megaways (Big Time Gaming) — the title that defined the format. A mining-themed slot featuring the horizontal reaction reel, cascading wins, and a free spins round with an unlimited multiplier. Widely regarded as the benchmark against which all other Megaways titles are measured.

Gonzo's Quest Megaways (Red Tiger / NetEnt) — Red Tiger's licensed Megaways adaptation of NetEnt's landmark 2011 slot. Retains the Avalanche mechanic and progressive multipliers of the original while applying the variable-reel Megaways engine. One of the most searched Megaways titles globally.

Rick and Morty Megaways (Blueprint Gaming) — Blueprint's officially licensed adaptation of the animated series. Features a multi-level bonus system with several distinct free spins modes, each tied to a character from the show. RTP of 96.55%.

Piggy Riches Megaways (Red Tiger) — a Megaways remake of NetEnt's original Piggy Riches, updated with cascading reels and the variable ways-to-win engine. A reliable mid-volatility entry point for players new to the format.

Divine Fortune Megaways (NetEnt) — NetEnt's Megaways conversion of their popular Greek mythology jackpot slot. Retains the three-tier progressive jackpot structure while applying the Megaways reel format to the base game.

Extra Chilli Megaways (Big Time Gaming) — BTG's follow-up to Bonanza, sharing a similar structure but with a unique free spins gamble feature that allows players to exchange spins for a higher multiplier starting point. One of the highest-variance titles in the Megaways catalogue.

Which Megaways™ Slot Is Right for You?

Choosing a Megaways title depends largely on three factors: your volatility tolerance, your preferred bonus structure, and whether you prioritise RTP or maximum win potential.

If you are new to Megaways — start with Gonzo's Quest Megaways or Piggy Riches Megaways. Both are based on well-known original titles, carry mid-to-high volatility rather than extreme variance, and have clearly structured bonus rounds that are easy to follow.

If you want maximum win potential — Bonanza Megaways and Extra Chilli Megaways are the format's flagship high-variance titles. The unlimited free spins multiplier in both games means the theoretical ceiling on a single bonus round is exceptionally high, though variance is correspondingly extreme.

If RTP is the priority — White Rabbit Megaways at 97.72% leads every title in our comparison table by a meaningful margin. Irish Riches Megaways (96.93%) and Extra Chilli Megaways (96.82%) are the next-highest returning options.

If you prefer licensed or branded themes — Rick and Morty Megaways and Shamrock Holmes Megaways offer the Megaways mechanic within a narrative-driven theme, with multiple bonus modes tied to the source material.

New Megaways titles launch regularly throughout 2026 from providers across the industry. This page is updated as new reviews are published. Bookmark it to stay current with the latest releases, RTP updates, and bonus feature breakdowns.