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Thunder Coins XXL: BoosterCells – A Comprehensive Guide to Playson’s New Value‑Stacking Mechanic

By jili tutorial · September 19, 2026

Thunder Coins XXL: BoosterCells – A Comprehensive Guide to Playson’s New Value‑Stacking Mechanic

Introduction: A New Chapter in the Thunder Coins Franchise

On 17 September 2026, Playson released Thunder Coins XXL: BoosterCells, the third instalment in its popular Thunder Coins series within just six months. Following the launch of Thunder Coins XXL: Multicoin (March 2026) and 3 Thunder Coins: Hold and Win (June 2026), this latest title introduces a brand‑new BoosterCells Feature that fundamentally changes how Coin values accumulate during the Bonus Game. Instead of simply collecting prizes, players can now watch their wins grow incrementally as values combine and stack across the reels.

This guide breaks down every aspect of the new mechanic, explains how it interacts with existing features, and places the release in the wider context of the iGaming industry’s shift towards franchise‑sequel slot development.

How the BoosterCells Feature Works

Triggering the Bonus Game

The BoosterCells Feature is only active inside the Bonus Game. To enter the Bonus Game, players need:

All three must land simultaneously during the main game. Once triggered, the Bonus Game begins, and the BoosterCells mechanic is automatically activated for the duration of the round.

Storing and Combining Coin Values

During the Bonus Game, every Coin symbol that lands has its value stored directly on its reel position – not just added to a running total. This means the reel itself “remembers” the value.

Here’s where the stacking mechanic comes into play:

Thunder Coins add an extra layer of escalation. When a Thunder Coin lands during the Bonus Game, it can randomly boost several stored values at once – for example, doubling or tripling the values held on multiple reel positions simultaneously. This creates exciting moments where moderate accumulations can suddenly spike.

Why This Matters for Players

The BoosterCells mechanic turns the Bonus Game into a progressive value‑building experience. Rather than a simple collection of fixed prizes, each spin offers the chance to increase the stake of previous wins. This depth of play rewards patience and creates a sense of anticipation, as players watch their stored values climb.

Supporting Mechanics: Thunder Feature and Pile of Gold

The Bonus Game is not the only place where Thunder Coins add value. Two other features enhance the main game and provide alternative routes into the bonus round:

The Thunder Feature

The Pile of Gold Feature

Buying Your Way In: Bonus Buy and Extra Bet Options

For players who prefer not to wait for natural triggers, Playson offers two ways to purchase direct access:

Buy Bonus Game Options

Extra Bet Options

Strategic Insights: Why BoosterCells Changes Bonus Play

The BoosterCells mechanic shifts the Bonus Game from a static collection of fixed prizes to a dynamic accumulation system. Consider these strategic points:

The Franchise‑Sequels Trend in iGaming

Playson’s accelerated release schedule for Thunder Coins titles reflects a broader industry shift. In 2026, major slot studios (including Games Global and Playson) have increasingly favoured franchise sequels with one meaningful new mechanic over launching entirely new intellectual property.

Why this approach works:

As Playson’s own EuropeanGaming.eu coverage of the Thunder Coins XXL: Multicoin launch noted, this strategy “allows developers to retain player familiarity while increasing engagement through more dynamic mechanics.”

Playson’s Market Presence and Licensing

The Thunder Coins XXL: BoosterCells slot is live across more than 200 operator partners in 29 regulated markets. Playson holds licences from a wide range of jurisdictions, including:

This extensive regulatory footprint means BoosterCells is available to players in many of the world’s most important iGaming markets, from Europe to Latin America and Asia.

What Anton Ivannikov, CPO at Playson, Said

“Thunder Coins XXL: BoosterCells brings a fresh dimension to one of our most recognisable game families, combining the familiar appeal of Thunder Coins with a new mechanic designed to add greater depth to bonus play.”

Ivannikov elaborated that the BoosterCells mechanic “creates opportunities for players to build on previously collected values, with Thunder Coins able to enhance those boosted values across each spin.”

Conclusion: A Smart Evolution of a Proven Format

Thunder Coins XXL: BoosterCells is a textbook example of how modern iGaming studios can extend the life of a successful series without resorting to gimmicks. The BoosterCells feature adds genuine strategic depth – rewarding players who understand the stacking process and who use the Buy Bonus and Extra Bet options wisely.

Whether you’re a fan of the original Thunder Coins or new to the series, this instalment offers a fresh, engaging experience that builds on the strengths of its predecessors. With its wide market availability and Playson’s strong regulatory credentials, it’s likely to become a staple in online casino lobbies for months to come.