Post Published: August 10, 2026
Author: Chlo

7

Scored by our Casino Expert Chloe

With a 12,000x maximum win, creative mechanics, and a fun cartoon presentation, Boombear Bros is a strong Bullshark Games release that should appeal to players who enjoy feature-packed cluster slots.

Boombear Bros (Bullshark Games) – Slot Review

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Boombear Bros combines cartoon fantasy and explosive action, following a group of battle-ready bears armed with powerful bombs and heavy equipment. The colourful setting is packed with themed symbols including shields, armour, goggles, hammers, and the Bear Bro characters themselves, giving the game a playful combat-inspired atmosphere.

The Fire and Ice Power Bombs are central to both the theme and gameplay, causing explosive effects across the reels while creating multipliers and additional matching symbols. Combined with energetic animations and humorous character designs, Boombear Bros delivers a fun, chaotic theme that fits perfectly with its fast-paced cluster mechanics.

Boombear Bros is played on a 6×6 grid using a Cluster Pays system, with wins formed by landing 5 or more matching symbols in connected positions. The game features medium volatility, an RTP of 96.32%, and a maximum win of 12,000x your stake. Bets range from £0.10 to £75 per spin.

Boombear Bros Symbols & Pay Table

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There are 13 symbols in total. The four low-paying symbols are represented by Diamonds, Clubs, Hearts, and Spades, while the five premiums feature Shields, Armour, Goggles, Hammers, and the Bear Bro character. Special symbols include Wilds, Scatters, Fire Power Bombs, and Ice Power Bombs. The Bear Bro is the highest-paying premium, awarding up to 60x for a cluster of 27 or more symbols. Wilds substitute for all regular paying symbols.

Boombear Bros Features & Mechanics

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Cell Multipliers

Each position on the grid can gain a Cell Multiplier, which is increased exclusively by Fire Power Bombs. Whenever a winning cluster passes through a multiplied cell, its value is applied to the win. If several multiplied cells contribute to the same cluster, their values are added together before being applied.

Cell Multipliers remain active throughout all cascades within the current spin but reset when a new base game spin begins. Multipliers accumulated on the triggering spin do not carry into a bonus feature.

Power Bombs

Two types of Power Bomb can appear during the base game and bonus rounds: Fire and Ice. They may also be introduced through the random Bomb Frenzy event.

Each Power Bomb is assigned a horizontal, vertical, or cross-shaped blast pattern, alongside a blast radius ranging from 1 to 5 cells. The position of the bomb and edges of the grid can limit how far its explosion travels.

Fire Power Bombs add multipliers to every cell caught within their blast radius, including the bomb’s original position. Values range from 2x to 20x, with overlapping explosions adding their multipliers together. Once activated, the Fire Power Bomb transforms into a random paying symbol or Wild.

Ice Power Bombs work differently by adding matching symbols to affected cells once the grid has settled and no further wins remain. Any regular paying symbol or Wild can be added, potentially creating another winning cluster and extending the cascade sequence. Existing Wilds, Scatters, and other Power Bombs are not replaced.

Bomb Frenzy

On a non-winning spin where no Power Bombs are present, the Bomb Frenzy mystery feature has a chance to activate. When triggered, between 2 and 5 Fire or Ice Power Bombs are randomly added to the grid. This can dramatically alter the grid by introducing additional multipliers, matching symbols, or a combination of both.

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Bombs Away

Landing 3 Scatter symbols triggers Bombs Away with 10 Free Spins. The core mechanics remain active, but Cell Multipliers become persistent throughout the entire bonus, allowing their values to build across multiple spins. Every additional Scatter that lands during the feature awards 1 extra Free Spin. The Scatter then transforms into a random regular paying symbol before the win calculation takes place.

Maximum Blast

Landing 4 Scatter symbols activates the upgraded Maximum Blast feature with 12 Free Spins. Cell Multipliers once again remain persistent, but every Power Bomb is upgraded to explode in all four directions, significantly increasing its potential impact on the grid. Additional Scatters award 1 extra Free Spin before transforming into regular paying symbols.

With its combination of cluster wins, cascading symbols, directional Power Bombs, and progressive Cell Multipliers, Boombear Bros offers plenty of opportunities for features to interact with one another. The Maximum Blast bonus provides the game’s most powerful setup, where persistent multipliers and enhanced explosions can work together towards the 12,000x maximum win.

Conclsuion

Boombear Bros delivers an entertaining combination of cluster wins, cascading symbols, and explosive Power Bomb mechanics. The Fire and Ice Power Bombs work particularly well together, creating opportunities to build large Cell Multipliers and extend winning sequences across the grid. The Bombs Away and Maximum Blast features add further excitement through persistent multipliers and enhanced explosions, giving the bonus rounds plenty of potential. Be sure to try out this game on launch and check out our exclusive casino offers.