Big Time Gaming: Megaways Mechanic Explained

James Whitfield
Last updated at February 9, 2026, 9:12 AM
  • Games

Big Time Gaming is the slot studio that created Megaways, a dynamic-payline mechanic where the number of symbols per reel changes on every spin, generating as many as 117,649 ways to win. Instead of fixed lines, six reels each display between two and seven symbols, and the software multiplies these values together to set the win count for that spin. Cascading wins, unlimited multipliers, and bonus buy options are common companions to this format, which now appears in titles from multiple developers under licence. Canadian players encounter Megaways slots at operators registered with iGaming Ontario and other provincial regulators, where RNG certification and responsible gambling tools apply. This entry explains how the mechanic works, what volatility and payout ranges to expect, and how it compares with traditional fixed-payline slots.

Big Time Gaming

Megaways Payline System

Megaways calculates ways to win by multiplying the number of symbols showing on each reel, rather than relying on a fixed line count. A standard six-reel layout can display up to seven symbols per reel, so the maximum combination reaches 7 to the power of 6, or 117,649 ways; some newer BTG titles extend this further, with games like Gold Megaways reaching up to 1,000,000 ways during bonus rounds. Wins form through adjacent-reel matches read left to right, which removes the need to select or bet on individual lines the way classic 20 to 50 payline slots require. Volatility runs high because the ways count and available symbols shift every spin, and RTP on most Megaways titles sits in the 96.00% to 96.50% range, comparable to mainstream video slots. Cascading reels clear winning symbols and drop new ones into the same positions, so a single spin can trigger a chain of ten or more consecutive wins before it settles.

Feature Integration

Most Megaways titles bundle three recurring features: a bonus buy that lets players pay roughly 100x the stake to enter free spins directly, an unlimited multiplier that starts at 1x and climbs with every cascade, and mystery symbols that reveal as matching paying icons once the reels settle. Hit frequency across the format typically runs 35% to 45%, meaning a win of some size lands on roughly one spin in three, though most of these are small. Maximum win caps vary by title but commonly fall between 10,000x and 50,000x the stake, reached almost exclusively through free spin multiplier growth rather than base game play. Provincially regulated Canadian operators must apply consumer protections around this mechanic, including mandatory reality check reminders and compatibility with self-exclusion programs such as those coordinated through iGaming Ontario.

Volatility and Math Model

High volatility is the defining trait of the Megaways math model, and bankroll guides generally recommend a session budget of at least 200x the average bet to absorb dry stretches between payouts. The operator’s house edge equals the RTP shortfall from 100%, which typically lands between 3.50% and 4.00% depending on the title and its bonus buy configuration. Base game hits above 250x the stake are uncommon, while free spin rounds occasionally deliver 5,000x or more once multipliers stack across several cascades. Because outcomes cluster around small or zero wins with rare large payouts, Canadian responsible gambling guidance recommends setting a fixed session budget before play rather than adjusting bet size mid-session to chase variance.

Fixed Payline Slots

Megaways Slots

20 to 50 static paylines per spinUp to 117,649 dynamic ways to win
Volatility stays consistent spin to spinVolatility swings with cascading multipliers
Reels show a fixed number of symbolsReels vary between 2 and 7 symbols
Free spins pay at a fixed multiplierMultipliers grow without an upper limit
Typical RTP runs 95% to 96%Typical RTP runs 96%, often with bonus buy
Maximum win potential stays modestMaximum win caps often exceed 50,000x stake

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