RWB Gems

RWB Gems is a gem-themed classic slot slot by Design Works Gaming.

The slot is built on a 3x3 reel grid with 9 paylines.

It also comes with special features such as Symbol Split and Multiplier Symbol, adding symbol transformations that change the round shape and multiplier-driven win scaling.

Specifications

Reel Config

3x3

Paylines

9 Lines

RTP

93.93%

Volatility

-

Max Win

-

Bonus Buy

-

Demo Play

FeatureMatch™

Two prominent themes: symbol changes and reward enhancement

Among the roles covered by these mechanics, symbol changes and reward enhancement have the strongest representation. The wild family brings combination-forming mechanics into the mix. Some of the reward-value mechanics come from the special-symbol family.

Feature richness

Many distinct mechanics are represented here, giving the feature overview a larger number of individual systems to cover.

Feature mechanics
9
Feature families
4

Feature profile

Select a role to explore its contributing features.

Number of features contributing to each role. One feature can contribute to several roles.

How we analyze this game’s features

Each bar counts the features that contribute to a functional role. One feature can contribute to more than one role. Bar lengths are scaled to the largest count within this game; compare the numbers when looking across games.

These counts describe feature composition. They are not win probabilities, payout contributions, or quality ratings.

All features 9

Highlight Features

Symbol Upgrade

Symbol Upgrade is a powerful feature that progressively converts low-value symbols on the reels into higher-value ones as the game proceeds. The core of this feature is not just a one-time symbol change, but a 'growth' structure where lower-tier symbols are permanently removed from the reels and replaced by higher-tier ones. This drastically increases the average expected payout of the reels towards the end of the round.

Retrigger

A Retrigger means winning additional free spins by landing scatter symbols again during a free spins bonus round. Furthermore, some slots adopt an 'unlimited retrigger' system, which means there is no limit to the number of times it can re-trigger. In theory, if luck is on your side, the free spins can continue indefinitely, making it one of the most powerful features a slot can have.

More slots from Design Works Gaming

About Previews

Each SlotWise Preview examines a game’s rules, specifications, and special features. We identify individual mechanics and map them to standardized feature categories, then use FeatureMatch™ to describe the game’s mechanical character. Alongside free demo access, this gives you a consistent starting point for understanding and comparing games. Where a 300SPINS™ review is available, it adds observations and results from a recorded play session.

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Slot reviews, previews, and feature analysis built on direct examination of games and recorded play.

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