Supreme Diamond XXL
3 Oaks Gaming
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.
Specifications
Characteristic
PREVIEW
User Rating
-
Free Spin
Preview
Jackpot
None
Reel Config
5x3
Paylines
15 Lines
RTP
-
Volatility
-
Max Win
1,000x
Bonus Buy
70x
Demo Play
Supreme Diamond XXL by 3 Oaks Gaming
Supreme Diamond XXL by 3 Oaks Gaming
Bonus Buy Efficiency
Bonus Buy Analysis
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.
Feature Highlight: Hold and Respin
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™'.
Feature Demo
Feature Highlight: Sticky Collector
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.
Feature Demo
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About Previews
Previews focus on playable demo access, slot specifications, and feature structure before a full 300SPINS™ review is available. They are designed to make the slot easy to inspect and compare, while leaving performance judgments based on actual play sessions to full 300SPINS™ reviews.