Big Bass Hold & Spinner Megaways

Big Bass Hold & Spinner Megaways is the most structurally complex slot in the Big Bass franchise — a Megaways-licensed engine paired with the Hold & Spin respin mechanic and the standard fisherman collect bonus, running up to 147,456 ways to win across six variable-height reels. 96.70% RTP, high volatility, 20,000x maximum win. The max win is the highest of any Big Bass title without the 1000-series suffix, and the RTP ties for second-highest in the franchise at 96.70%.

Three bonus paths coexist. The standard free-spin bonus (triggered by scatters) runs the fisherman collect on the Megaways grid with cascading symbols and unlimited retrigger potential — a step up from the capped retrigger chains in standard entries. The Hold & Spin bonus activates when coin symbols land during base play; coins lock and three respins begin, each new coin resetting the counter. Mystery symbols land on any spin and reveal matching symbols to form additional wins, providing a third source of in-session texture between the two bonuses.

The 20,000x ceiling is achieved through the combination of the cascading Megaways free-spin multiplier and the 147,456-way coverage. The documented free-spin trigger sits at approximately once every 319 spins — significantly rarer than standard Big Bass entries that average 113-150 spins. That wider trigger gap is the cost of the unlimited retrigger potential; when the Megaways bonus does fire with a long cascade and loaded fisherman events, the return can far exceed standard-format bonuses.

Against Big Bass Hold & Spinner (96.07% RTP, 10,000x, Hold & Spin plus single free-spin path): the Megaways version wins on every metric — higher RTP, double the ceiling, cascading Megaways free spins with unlimited retriggering. Against Big Bass Bonanza Megaways (96.70% RTP, 4,000x): Hold & Spinner Megaways adds the Hold & Spin dual path and delivers five times the ceiling at identical RTP. This is the franchise's flagship for players who want the ceiling and complexity.

Verdict
The pinnacle of the Big Bass catalog before the 1000 series — 20,000x ceiling, three bonus paths, Megaways reels. The most demanding and most rewarding title in the franchise.