Monsters vs Gigablox

Monsters vs Gigablox: ReelPlay Edition

This ReelPlay release of Monsters vs Gigablox, dated 31st July 2022, brings its own take on the kaiju-battle Gigablox format to a 6-reel grid with 50 fixed paylines, offering a distinct set of numbers from other versions of the same concept that have appeared under different providers.

Theme and Visuals

Players get a bird's-eye view of a burning city, framed by a 6-row playing grid where towering monster symbols form the premium end of the paytable, joined by 9-to-Ace card ranks at the lower end and golden crown symbols acting as wild. The look is striking and colourful, blending a graphic-novel aesthetic with bright, highly detailed monster artwork that stands out clearly against the darker cityscape behind the reels.

Core Mechanics

Wins are formed by landing three or more matching symbols left to right across the 50 active paylines. During free spins, one of the monster symbols becomes a special doubled-value Rampaging Monster, adding an extra layer of value on top of the standard Gigablox oversized-block mechanic, where merged symbol blocks break down into individual tiles once they contribute to a win.

RTP and Hit Frequency

The confirmed RTP for this version is 96.1%, a solid figure sitting above the wider slot market average. The hit frequency comes in at 38.38%, meaning winning combinations land noticeably more often than in many high-volatility slots — more than one spin in three should produce some kind of return, giving the base game a livelier, more consistent rhythm.

Volatility and Stakes

Despite that relatively high hit frequency, volatility is rated high, so the size of individual wins can vary considerably even while they land fairly regularly. Stakes run from 0.50 up to 80 per spin, putting this firmly in mid-to-high-roller territory rather than a purely low-stakes option.

Max Win

The maximum win is set at 3,116x the stake, matching the ceiling found on other versions of this concept and offering a solid, achievable top prize rather than an extreme long-shot figure.

Verdict

This ReelPlay build of Monsters vs Gigablox stands out for its unusually high hit frequency paired with high volatility, giving it a distinctive rhythm compared with slower-burning Gigablox titles — frequent action with genuine variance in how much each win is worth. The burning-city presentation and Rampaging Monster free spins twist add plenty of visual and mechanical interest. Give the free demo a go at johnessyslots before deciding whether to take on the monsters for real money.