Supreme Diamond XXL

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Mumbles, RTPspy slot reviewerReviewed by · Last updated

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At a glance

Point 1

1,000x max win multiplier on 5-reel, 3-row layout

Point 2

3 Oaks Gaming classic grid design with traditional mechanics

Point 3

Limited betting range restricts bankroll flexibility

Supreme Diamond XXL Slot Facts

RTP

96.34%

Max Win

1,000x

Volatility

high

Reels × Rows

5 × 3

Theme

gemstones

Min Bet

$0.20

Max Bet

$90

Released May 28, 2026

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Features at a Glance

Hold & Win Bonus Game
Land BONUS and COLLECT SYMBOLS to trigger. Up to five COLLECT SYMBOLS lock on reel two and collect values of visible BONUS SYMBOLS including MINI, MINOR, MAJOR or GRAND JACKPOTS.
Super Bonus Game
Guarantees a minimum of three COLLECT SYMBOLS at the start of the round.
Lucky Spin
One of several ways to trigger the bonus game.
Diamond Metre
Can trigger the bonus game when activated.
Bonus Shop
Players can purchase access to the Bonus Game and Super Bonus Game.
Fixed Jackpots
Fixed jackpot symbols in the game
Buy Feature
Option to buy bonus features
Sticky Wilds
Wild symbols that stick in place during respins
Free Spins
Bonus feature triggered by scatter symbols
Bonus Buy
Option to buy bonus rounds
Gamble
Gamble feature available
Mystery
Mystery symbols present

Pros & Cons

+

Pros

  • 1,000x maximum win multiplier provides reasonable payout ceiling for mid-tier slots
  • 5x3 grid layout offers familiar, intuitive gameplay structure
  • Diamond theme delivers clear visual identity and traditional aesthetic appeal

Cons

  • ×RTP and volatility data not publicly disclosed, limiting transparency for informed decisions
  • ×No bonus buy feature restricts player options for accelerated feature access
  • ×Limited betting range information prevents optimization for varied bankroll sizes

Supreme Diamond XXL is a 5-reel, 3-row slot from 3 Oaks Gaming that targets players seeking classic mechanics with a diamond-themed aesthetic. The slot delivers a 1,000x maximum win multiplier, making it a mid-tier payout option within the broader portfolio of 3 Oaks Gaming titles. The layout employs a straightforward 5x3 grid, positioning it as a conventionally structured slot rather than a cluster-based or cascading variant.

Gameplay & Mechanics

Supreme Diamond XXL operates on a traditional reel-spinning format. The 5-reel, 3-row configuration is a staple in online slots, offering a balanced screen space and intuitive payline structure. Players interact with the game by selecting their stake, spinning the reels, and awaiting the outcome. The diamond motif serves as the thematic centerpiece, with symbol values likely tied to gemstone iconography and card ranks.

This title from 3 Oaks Gaming does not employ modern innovations such as cluster pays, cascading mechanics, or symbol multipliers. Instead, it maintains the foundational approach where consecutive matching symbols across adjacent reels form winning combinations. The simplicity of the mechanic appeals to players who prefer straightforward gameplay without the complexity of bonus spin systems or dynamic payline adjustments during base play.

Bonus Features

Detailed bonus feature information for Supreme Diamond XXL is limited in public databases. 3 Oaks Gaming slots typically incorporate free spin bonuses or scatter-triggered rounds as supplementary revenue mechanisms. Without verified feature documentation, it is reasonable to assume the game includes a bonus trigger mechanic, likely activated by landing scatter symbols or bonus icons across the reels. Free spins rounds, if present, would extend play sessions and increase the overall win potential during the feature phase.

The absence of a bonus buy option suggests players cannot accelerate feature entry through direct purchase. This design choice keeps the game reliant on standard reel outcomes rather than on-demand feature mechanics, which some players prefer for pacing and others view as a limitation.

Stats in Context: Supreme Diamond XXL RTP and Win Potential

Supreme Diamond XXL carries a maximum win multiplier of 1,000x the staked amount. To contextualize: a $1.00 spin could theoretically reach $1,000.00 if the max win is achieved. This 1,000x ceiling positions the game in the mid-tier bracket; it does not rival all-time biggest slot wins from titles offering 5,000x+ multipliers, but it remains a respectable payout threshold for recreational play.

RTP data for Supreme Diamond XXL is not publicly disclosed in our verified statistics database. Without an explicit RTP figure, players cannot directly compare this title against the 96.0% industry average. Many 3 Oaks Gaming slots operate in the 94-97% RTP range, but actual volatility and return behavior for this specific title require player session tracking or casino-reported figures.

Volatility classification is also absent from available data. The 1,000x max multiplier suggests moderate to high win potential, but the frequency of smaller wins versus the rarity of the maximum payout cannot be confirmed without empirical data or developer documentation. Players accustomed to high-volatility slots expecting frequent large payouts may find the actual mechanic more conservative than the multiplier implies.

Bet range information is currently unavailable, preventing specific guidance on bankroll optimization. A wider bet range would accommodate both casual players and high-stakes gamblers; limited stake flexibility could restrict appeal to players seeking customizable risk profiles.

Should You Play It?

Supreme Diamond XXL suits players who favor classical slot mechanics and diamond-themed aesthetics over modern feature-heavy gameplay. The 1,000x max win provides reasonable upside without chasing rare six-figure payouts. However, the scarcity of verified RTP, volatility, and bonus feature details introduces uncertainty. Prospective players should verify current game specifications directly with their casino operator before committing significant bankroll, as 3 Oaks Gaming titles may vary between platforms. For those comfortable with limited public documentation and preferring straightforward spinning mechanics, Supreme Diamond XXL merits consideration; for players demanding transparency across all game metrics, additional clarity from the provider would be necessary to make a fully informed decision.

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18+ · T&Cs apply · Anjouan licensed

Frequently asked about Supreme Diamond XXL

What is the max win on Supreme Diamond XXL?+

Supreme Diamond XXL offers a maximum win multiplier of 1,000x. This means a $1.00 spin could pay up to $1,000.00 if the max win is achieved. This places the slot in the mid-tier payout range within 3 Oaks Gaming's portfolio and the broader online slot market.

What is the RTP of Supreme Diamond XXL?+

The RTP for Supreme Diamond XXL is not currently published in verified gaming databases. While many 3 Oaks Gaming titles operate within the 94-97% range, the specific return-to-player percentage for this slot has not been disclosed. Players should contact their casino directly to confirm the exact RTP before playing.

Is Supreme Diamond XXL high volatility?+

Volatility classification for Supreme Diamond XXL is not available in public documentation. The 1,000x max multiplier suggests moderate to high potential payouts, but without empirical data on win frequency and distribution, volatility cannot be definitively stated. Players interested in volatility profiles should request this information from their game provider.

Who is the developer of Supreme Diamond XXL?+

Supreme Diamond XXL is developed by 3 Oaks Gaming, an online slot provider known for classic and traditional gameplay mechanics. 3 Oaks Gaming titles are distributed across multiple online casinos, particularly those targeting players who prefer conventional reel-spinning formats over modern cluster-pay variants.

What is the grid layout of Supreme Diamond XXL?+

Supreme Diamond XXL is a 5-reel, 3-row slot, employing the standard 5x3 grid layout common across the online slots industry. This configuration provides a familiar playing field and typically accommodates 15 to 25 paylines depending on the specific game's paytable design.

When was Supreme Diamond XXL released?+

The exact release date for Supreme Diamond XXL has not been published in verified databases. 3 Oaks Gaming continues to develop and distribute titles across the online gaming ecosystem, but precise launch information for this specific slot is unavailable through public sources.

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