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Prime Zone

Prime Zone

Sporty Studios
4.6 ★★★★★★★★★★ 133K reviews • 50K+ Downloads • 18+ Rated for 18+
Contains ads In-app purchases
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About this app

How to play Prime Zone

The headline mechanical difference is a shift in risk profile. This variant runs on a 5×3 grid with 10 paylines at an RTP of 96.50%, and the volatility has been eased to medium against the high-variance base game. That softens the swings while keeping the same top-end potential.

That ceiling stays substantial at 20,000x the bet. It’s reserved for a fully developed free spins round where Fisherman Wilds collect Money symbol values and progressive retriggers push collection multipliers higher.

The one genuinely new seasonal wrinkle is a pumpkin symbol. It can land during free spins to award mid-bonus upgrades, layered on top of the ante bet and feature-buy options already familiar across the range. For an experienced Big Bass player, the proposition is deliberately recognizable rather than reinvented.

How to play Prime Zone

The “3” prefix is not incidental. Spinomenal’s catalog already includes titles such as 3 Chinese Charms and 3 Volcano Power, alongside 3 Fortune Mummies. That points to a deliberate naming convention, one that groups slots into a recognizable line.

This numbered structure works as a soft branding device. It signals to players that a title belongs to a familiar mechanical or presentational family, which can shorten the time it takes a returning player to feel oriented in a new game.

The approach also suits Spinomenal’s release rhythm. The provider ships titles at a steady clip across multiple themes at once, and a repeatable template makes that schedule far more sustainable over time. A useful shortcut, in other words.

What is Prime Zone?

They connect four Instant Bonus tiers, Hold & Spin and two wheel-driven Bonus Spins modes, giving the game one consistent trigger throughout, while persistent multipliers make progression visible inside Bonus Spins and Super Bonus Spins. GO Ultra is the step up. Activating it removes standard Bonus Spins from the feature pool and introduces Super Duper Bonus Spins, with Coins concentrated on fewer reels and multipliers that grow in larger increments. The commercial hook sells itself on screen: Frank, the gnome gang over the fence, and a suburban garden turned battlefield. The game carries high volatility, with RTP configurations, exposure figures and other sensitive values retained in the internal fact sheet.

App info

Updated onMar 28, 2026
Size57 MB
Installs50K++
Current Version7.5.1
Requires Android8.0 and up
Content RatingRated for 18+
Interactive ElementsUsers Interact
Released onJan 23, 2021
Offered bySporty Studios
10 Flaming Bisons10 Power Hot