3 SuperPower Diamonds
demo and specs

3 SuperPower Diamonds is a video slot from 3 Oaks Gaming, listed for release on 24 September 2026. The theme is diamonds, and the core mechanic is Hold & Win. The layout is a 5x3 grid with 25 paylines, so there are five reels, three rows and a fixed set of lines.

The stated max win is 10,000x the stake. That puts a ceiling on the game, and it is the headline figure the studio has put its name to.

The feature list is long: Hold & Win, Progress Pots, Multi, Mystery, Collect, Wheel, Diamond Boosts, Expand and Super Wheel. On top of those sit five jackpot tiers called Mini, Minor, Major, Grand and Royal. That is a lot of moving parts for a 5x3 slot, and the interest lies in how they fit together.

A 5x3, 25-payline Hold & Win with a 10,000x ceiling and five jackpot tiers.

It is aimed at players who like a respin-style bonus with tiered prizes and who are comfortable chasing a feature rather than grinding small line wins. Anyone who wants constant bonus action or a very high ceiling may want to look at the comparison table further down first.

On what is published: the release date, grid, paylines, mechanic, theme, feature names and max win are all stated. The RTP, volatility grade, hit rate and stake range are not in the specs we hold, so none of them is quoted here.

The RTP is not published in the specs we hold, so there is no figure to set against the rough 96% UK average. Any claim that this game sits above or below that line would be a guess. Until the studio states it, the safe assumption is that the return is unknown and the long-session expectation cannot be worked out.

The volatility grade is also unpublished. What the format suggests is something else: a Hold & Win slot with a 10,000x ceiling and five jackpot tiers usually concentrates its value in the bonus. That would mean quiet stretches on the base game between features. That is a read of the mechanic, not a stated grade.

The max win is 10,000x the stake. The stake range is not published, so the cash value can only be shown at example stakes. At £0.10 a spin, 10,000x is £1,000. At £1 it is £10,000. At £10 it is £100,000.

Those are worked examples, not the game's actual minimum or maximum stake. Whatever the real limits are, the pattern holds: the top prize scales in a straight line with the bet, and the multiplier stays at 10,000x.

A stated hit rate is not published either. Without one, there is no studio figure to quote and none measured here, since no per-game session log is published on this site. The practical point is that the frequency of bonus rounds is the number that matters most in a slot like this, and it is the one still missing.

The studio names ten features, plus five jackpot tiers. Here is what each is, with only the general behaviour of that mechanic type:

• Hold & Win: the core mechanic. Special symbols lock in place and respins run so more can land, usually ending when the respins run out.
• Progress Pots: pots that fill as play moves along. Collecting towards a target is how this kind of feature generally works.
• Multi: a multiplier element that scales a win. The value is not published, so no figure is given.
• Mystery: symbols that hide their identity until revealed, then turn into something else.
• Collect: a symbol or action that gathers values from the screen into one award.
• Mini, Minor, Major, Grand and Royal Jackpots: five fixed prize tiers, rising in rank from Mini to Royal.
• Wheel: a segmented wheel that is spun to decide an award.
• Diamond Boosts: an enhancement tied to the diamond theme that lifts a feature or a prize.
• Expand: a symbol or area that grows to cover more of the grid.
• Super Wheel: a second, higher-tier wheel that sits above the standard Wheel.

The studio has not published the triggers, spin counts, which reels are involved, jackpot values or how the wheels connect to the Hold & Win round. The page is updated when it does. No bonus buy is listed in the specs. If one were added, it is switched off for GB players at UKGC casinos, because the UK rules do not allow paying to skip straight into a bonus.

The base game is a 5x3 grid with 25 paylines. Wins are formed on those fixed lines, and the feature set sits on top. Between features, expect line wins to carry the play. How often they land is not published.

The stake range is not published in the specs we hold, so the minimum and maximum bets cannot be stated. A low stake suits a player who wants a longer run through the base game to see how the features appear. A high stake suits someone chasing the 10,000x ceiling who accepts a faster drain on the balance.

For bankroll, a game whose value looks concentrated in a bonus round calls for a stake small enough to survive a long dry run. Setting a session budget before starting, and keeping to it, matters more here than on a game that pays small wins often.

On mobile, the game is built for phones as standard, as studios build their slots now. The UK build rules apply on a phone exactly as on desktop. They include the slower minimum spin speed, no autoplay, and reality checks and session reminders from the casino. Nothing changes for the player because the screen is smaller.

Among Hold & Win slots, the field runs from steady, modest-ceiling games to extreme ones that promise huge multipliers and pay for it with long droughts. On the published ceiling alone, 3 SuperPower Diamonds sits in the middle to lower-middle of that range. A 10,000x top prize is meaningful but not the biggest the mechanic offers.

What that ceiling buys is a more reachable top end. A game that caps lower can usually spread its value across more of the bonus, while one that caps very high has to hide that value in rare events. Whether this slot does the first or the second depends on the volatility and hit rate, and neither is published.

The five jackpot tiers add a different kind of spread. They give the game a ladder of named prizes below the top, which is not something every slot of this type offers. Whether the lower tiers pay out often is not stated.

In short, this looks like a feature-heavy game with a defined ceiling of 10,000x, rather than a pure all-or-nothing chase. The similar-slots table that follows shows the real comparison figures, so judge it against those rather than against this page's wording.

It suits players who like a tiered, feature-rich Hold & Win round:

• Players who enjoy named jackpot tiers and want several possible prizes from Mini up to Royal in one game.
• Players who like a busy feature set, with two wheels, boosts and collect mechanics, and who will read how each part works.
• Players who want a clear stated ceiling of 10,000x rather than an open-ended one.
• Players who like the diamonds theme on a plain 5x3, 25-payline layout.

It is a poor fit for anyone who needs the RTP, volatility and hit rate confirmed before playing, since none of them is published yet. It is also not for players who dislike long stretches between bonus rounds, or who want a ceiling well above 10,000x. A free play-money demo, where one is available, is a low-cost way to find out whether the pace suits before any real money is at stake.