Supreme Diamond XXL is a diamond-themed slot by 3 Oaks Gaming.
It features a 5x3 reel configuration with 15 fixed paylines, showcasing diamond and lucky seven symbols.
Offering a max win of 1000x, its main features include a Bonus Game, Buy Bonus option, Sticky Collector symbols, and Fixed Jackpots.
Reel Config
5x3
Paylines
15 Lines
RTP
-
Volatility
-
Max Win
1,000x
Bonus Buy
70x
Prize routes outside ordinary symbol combinations are especially well represented here. Special-purpose symbols provide a route to separate prizes.
A moderate number of mechanics adds variety around the core game, giving the feature structure more than a few individual elements to consider.
Select a role to explore its contributing features.
Number of features contributing to each role. One feature can contribute to several roles.
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.
Hold and Respin, or 'Hold & Win', is one of the most popular core bonus game mechanics in modern slots. The essence of this feature, unlike traditional free spins, is to 'Hold' bonus symbols on the reels and 'Respin' the remaining empty spaces to fill up the screen. This system was popularized worldwide through 'Money Train 2's' 'Money Cart Bonus' and is the foundation for numerous developer-specific brand features like Wazdan's 'Hold the Jackpot™' and Playtech's 'Fire Blaze™'.
Sticky Collector is a special symbol that combines the core functionality of a 'Symbol Collector' with the 'Sticky' mechanic. Unlike a standard collector symbol that disappears after a single spin, a Sticky Collector locks in place on the reels for multiple subsequent spins. During its active duration, it continuously gathers values from other designated prize symbols (e.g., Instant Prize Symbols, Cash Symbols) that land anywhere on the grid. This feature can appear in the base game or during bonus rounds like free spins, providing sustained collection opportunities.
Low Bonus Buy Price
This slot's bonus buy price is below the usual range for comparable slots. That makes buying the feature relatively accessible, especially if you want to try the free-spin round directly. Keep in mind that some games offer multiple free-spin tiers, and SlotWise uses the lowest available buy price as the reference. A lower price may also mean that the free-spin feature itself carries a lighter payout profile than higher-priced games.
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.
