Pragmatic Play Released 2020

Gems Bonanza Slot

96.55% RTP
4.8/5 (262 votes)
Play Real Money
Gems Bonanza
Click to play demo
Rollino
425 Free Spins + 450% up to €6,000
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RTP 96.55%
Volatility High
Min Bet £0.20
Max Bet £100.00
1 in 79K Max Win 100,000x
Paylines Cluster
RTP Distribution How Gems Bonanza compares to all slots we review
90% 93% 96% 99%

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Gems Bonanza Slot Features

Cluster Pays
Win by landing blocks of 5+ matching gems connected horizontally or vertically, triggering tumbles for consecutive wins
Tumble Feature
Winning symbols explode and new ones drop down, creating potential chain reactions with increasing multipliers
Wild Gem & Lucky Wilds
Special features add wild symbols to the grid during gameplay to help complete winning clusters
Symbol Collection
Collect specific gems to fill meters that unlock modifiers and enhance your winning potential
Gold Fever Bonus
Triggered by collections, this feature awards free spins with persistent multipliers and enhanced modifiers

Our Gems Bonanza Slot Review

This high-octane grid slot from Pragmatic Play delivers exactly what cluster pays fans crave: cascading wins, progressive multipliers, and a generous feature set wrapped in an Aztec gem theme. With 96.55% RTP and maximum volatility, it's built for players who can weather dry spells in pursuit of those explosive 10,000x sequences. The 8x8 grid creates plenty of space for chain reactions, while multiple modifier features keep the base game engaging between bonus triggers.

Best for: High Rollers Thrill Seekers High Risk
Dan Thompson
Dan Thompson
Slot Analyst

A UK-based online slots analyst with over 15 years in the iGaming industry. Specialising in RTP analysis, volatility profiling, and bonus mechanic breakdowns across all major UKGC-licensed platforms. Known for delivering honest, data-driven reviews that help players make informed choices.

Last updated: 21 February 2026