3 Supercharged Diamonds Demo Slot
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3 Supercharged Diamonds Demo and Slot Review
Written by: Filip Gromovic Reviewed by: Nashon Khamala
3 Supercharged Diamonds pays up to 10,000x the bet from a 3×3 grid with 5 paylines, and coloured Diamonds decide which of three bonus features you get. The 3 Supercharged Diamonds demo lets you test those features, the four fixed jackpots and both bonus buys without a deposit.
Playson released the game on 14 May 2026 as part of its Diamonds Hold and Win sub-series, between Diamonds Power XXL (November 2026) and 4 Supershiny Diamonds (August 2026). The jackpots run from 15x to 1,000x, and the standard bet range is 0.20 to 100 per spin.
The only RTP published so far is 94.49%. That is 1.11 points below the 95.60% of Diamonds Power XXL: Hold and Win, so check the RTP in the game’s info screen before you play for real money.
Play 3 Supercharged Diamonds Demo for Free
The 3 Supercharged Diamonds demo runs the full game on virtual credits, so you can test the bonus features and both bonus buys at no cost. It opens in the browser with no registration and no deposit.
Use the demo to answer the questions the specs leave open: how often Bonus Diamonds land on all three reels, which colour combinations show up most, and whether the 75x buy is worth it next to base play. The game is built in HTML5 and JavaScript, so the same demo runs in desktop and mobile browsers with no download.
Before you switch to real money, check whether the game is offered where you live. The table below covers the main markets.
3 Supercharged Diamonds Availability by Country
| Country | Availability | Currency | Game Access | Key Note |
|---|---|---|---|---|
| 🇺🇸 United States | State-based | USD | Land-based / varies online | Access depends on state law, operator rules, and player location. |
| 🇬🇧 United Kingdom | Licensed only | GBP | May vary by site | Use UK-licensed sites only. Available version may differ by operator. |
| 🇨🇦 Canada | Province-based | CAD | Varies by operator | Availability and payment options may differ by province and casino site. |
| 🇦🇺 Australia | Varies by operator | AUD | Land-based / varies online | Some users may search for this title as a pokie. Access can vary by site. |
| 🇮🇹 Italy | Licensed only | EUR | May vary by site | Check local operator licensing and supported version before playing. |
| 🇪🇸 Spain | Licensed only | EUR | May vary by site | Check operator licensing and available feature set before registering. |
| 🇸🇪 Sweden | Licensed only | SEK | May vary by site | Check local licensing, game version, and operator eligibility requirements. |
| 🇫🇷 France | Restricted / varies | EUR | May be limited | Real-money access and supported versions may differ by platform. |
| 🇳🇿 New Zealand | Varies by operator | NZD | Land-based / varies online | Local users may also search using pokies terminology. Access may differ by site. |
| 🇩🇪 Germany | Restricted features | EUR | May be limited | Stake limits and feature settings may depend on the licensed version. |
Last reviewed: October, 2026
* Country information is provided as a general guide only. 3 Supercharged Diamonds availability, demo access, real-money play, payment methods, and supported game versions may vary by operator and jurisdiction. Always verify local rules and the casino’s licensing details before registering or depositing.
Best US Casinos to Play 3 Supercharged Diamonds
3 Supercharged Diamonds is live at licensed casinos that carry Playson games, but coverage is uneven. The game is live at casinos in 40 countries, with the most listings in Bangladesh, India, the Philippines and Egypt. Playson supplies its slots to regulated markets including the UK, Switzerland, Canada and Latin America.
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How to Play 3 Supercharged Diamonds
A spin of 3 Supercharged Diamonds needs one stake setting; the depth sits in the Hold and Win bonus. These are the steps from the first spin to a paid bonus round:
- Set your stake. The standard range is 0.20 to 100 per spin. Some casinos set a narrower range, such as €0.10 to €20.
- Spin the 3×3 reels. Line wins pay for three matching symbols on any of the 5 paylines.
- Watch the green, yellow and violet Diamonds above the reels. The colours of the Diamonds that land decide which features join the bonus.
- Land Bonus Diamonds on all three reels to start Hold and Win. Any Diamond in the base game can also trigger the Extra Diamonds Feature, which adds enough Diamonds to start the round.
- Collect at the end of the round. The Collect Diamond adds the total value it gathered to your win, along with any jackpots that landed.
Example: at a €1 stake, a round that lands the Major jackpot adds €100 to the values collected on the grid. Once the trigger is clear, the features below explain what each Diamond colour does.
3 Supercharged Diamonds Bonus Features
The bonus is a Hold and Win round with up to three features active at once, picked by the colours of the Diamonds that land. This is Playson’s 3 Pots format: the green, yellow and violet Diamonds above the reels act as three pots, and one, two or all three can switch on in the same round.
Expand Feature (Green Diamond)
Expand turns the 3×3 grid into 3×5 for the bonus. The board grows from 9 positions to 15, which gives Bonus Diamonds six more cells to land in. Playson used the same 3×5 size as the full grid in Diamonds Power XXL.
Multi Feature (Yellow Diamond)
Multi places multipliers on reels 1 and 3, and they can reach 32x. Reel 2 gets no multiplier; it is the reel where the Collect Diamond lands. In a round with Multi active, the two outer reels carry the multipliers while the middle reel holds the collector.
Stepper Feature (Violet Diamond)
Stepper keeps Bonus Diamonds on the reels and moves each one down a row after every respin. A Bonus Diamond that lands in the top row of reel 1 sits in the middle row after the next respin and in the bottom row after the one after that. With Expand also active, the grid has five rows, so a Diamond from the top row needs four respins to reach the bottom.
Collect Diamond
The Collect Diamond lands only on reel 2 during the bonus and stays there until the round ends. It gathers the total value of all Bonus Diamonds on the grid and adds that sum to your total win at the end. Playson used the same collect logic in Crown Strike: Hold and Win.
Extra Diamonds Feature
Extra Diamonds is the base-game shortcut into the bonus. Any Diamond that lands on a base spin can randomly trigger it, and it adds enough Diamonds to the reels to start Hold and Win. It plays the same role as the Pile of Diamonds feature in Diamonds Power XXL.
Fixed Jackpots
Four fixed jackpots are available in the bonus, from the 15x Mini to the 1,000x Grand. They are fixed multiples of your stake, not progressive pools, so the cash value scales with the bet:
| Jackpot | Pays | At €1 stake | At €100 stake |
| Mini | 15x | €15 | €1,500 |
| Minor | 30x | €30 | €3,000 |
| Major | 100x | €100 | €10,000 |
| Grand | 1,000x | €1,000 | €100,000 |
The 10,000x max win is ten times the Grand, so the top result takes more than a jackpot alone. If waiting for a three-reel trigger takes too long, the next section covers the two ways to buy straight in.
3 Supercharged Diamonds Bonus Buy
Two bonus buy options skip the base game: 75x the bet for random features, or 200x for all three features guaranteed. The higher price removes the chance element from which features you start with.
| Option | Cost | What you get | Price at €1 stake | Jackpots that pay more than the price |
| Bonus Buy | 75x | Hold and Win with random Diamond features | €75 | Major (100x), Grand (1,000x) |
| Bonus Buy 2 | 200x | Expand, Multi and Stepper guaranteed | €200 | Grand (1,000x) |
The 125x price gap buys certainty that all three features run together. The Mini (15x) and Minor (30x) jackpots both pay less than the cheaper buy. No RTP has been published for the bought rounds.
Playson offered the buys in Diamonds Power XXL only in permitted markets, so the buy menu may be missing at some casinos. The demo is the cheapest place to compare both options.
3 Supercharged Diamonds RTP and Max Win
The only published RTP for 3 Supercharged Diamonds is 94.49%, and the max win is 10,000x the bet. No other RTP version has been published so far, and no volatility rating exists yet.
| Metric | 3 Supercharged Diamonds | Diamonds Power XXL: Hold and Win | Diamonds Power: Hold and Win |
| Release | May 2026 | November 2026 | November 2023 |
| Grid | 3×3 (3×5 with Expand) | 3×5 | 3×3 |
| Paylines | 5 | 15 | Not confirmed |
| RTP | 94.49% | 95.60% | 95.66% |
| Volatility | Not published | Medium-High | Medium |
| Jackpot tiers | 4 (Grand 1,000x) | 4 | 4 |
| Bonus buy | Yes, 75x and 200x | Yes, two options | Not confirmed |
At 94.49%, the game returns 1.11 points less than Diamonds Power XXL (95.60%) and 1.17 points less than the original Diamonds Power: Hold and Win (95.66%). Over 1,000 spins at €1, that gap equals about €11 to €12 of theoretical return. The RTP can differ between casinos, so check the figure in the game’s info screen.
The 10,000x cap equals €1,000,000 at the €100 maximum stake. It matches the 10,000x Super Jackpot that Playson later put in 4 Supershiny Diamonds and is ten times this game’s Grand. With RTP varying by operator, compare the figure at the casinos listed above before depositing.
3 Supercharged Diamonds Symbols and Paytable
The base game pays for three matching symbols on a payline, from 1x up to 50x. The symbols follow a classic slot style: diamonds, sevens, bells and gold bars, plus card-suit symbols.
| Paytable rank | Pays for 3 on a line [VERIFY: line bet or total bet] |
| 1 (top symbol) | 50x |
| 2 | 25x |
| 3 | 20x |
| 4 | 15x |
| 5 | 3x |
| 6 | 1x |
The paytable also shows three special Diamonds and a Bonus symbol. These drive the Hold and Win round instead of paying on lines: Bonus Diamonds carry cash values, and the Collect Diamond gathers them.
3 Supercharged Diamonds vs Other Playson Diamonds Slots
3 Supercharged Diamonds sits between Diamonds Power XXL and 4 Supershiny Diamonds in Playson’s Diamonds Hold and Win line, and each release changed how the bonus works.
| Slot | Release | Bonus grid | Feature system | Top prize |
| Diamonds Power XXL: Hold and Win | Nov 2026 | 3×5 | Up to five Power Bonus collectors on reel 2 | 4 jackpots, two bonus buys |
| 3 Supercharged Diamonds | May 2026 | 3×3, 3×5 with Expand | Expand, Multi (up to 32x) and Stepper, plus Collect Diamond | Grand 1,000x, 10,000x max win |
| 4 Supershiny Diamonds | Aug 2026 | 5×5 Super Bonus Game | Multi (up to 10x), Charge and Collect | Grand 3,000x, 10,000x Super Jackpot |
The Multi feature shows the clearest change: up to 32x on two fixed reels here, against up to 10x on empty cells in 4 Supershiny Diamonds. Collecting also moved. Here a dedicated Collect Diamond on reel 2 does it, while 4 Supershiny Diamonds turned collecting into a blue-Diamond feature.
If you prefer a single collector symbol and a bigger base grid, Diamonds Power XXL is the closer match. If you want the 10,000x figure as a fixed jackpot, 4 Supershiny Diamonds offers it.
FAQ about 3 Supercharged Diamonds
Yes. The demo runs on virtual credits with no deposit, and it opens without registration. It includes the full Hold and Win bonus, so you can test the Expand, Multi and Stepper features before playing for real money.
The only published RTP is 94.49%. That is below Diamonds Power XXL: Hold and Win at 95.60%. Check the game's info screen, as the value can differ by casino.
The max win is 10,000x the bet. At the €100 maximum stake that equals €1,000,000. The biggest fixed jackpot, the Grand, pays 1,000x.
Yes, two options are listed. Bonus Buy costs 75x the bet and starts the bonus with random Diamond features. Bonus Buy 2 costs 200x and guarantees all three features. Some casinos may not show the buy menu.
It has four fixed jackpots in the bonus: Mini 15x, Minor 30x, Major 100x and Grand 1,000x the bet. None of them is progressive.
Land Bonus Diamonds on all three reels to start Hold and Win. Any Diamond in the base game can also trigger the Extra Diamonds Feature, which adds enough Diamonds to start the round.
It depends on local licensing and the casino. Playson supplies the game to licensed operators, and it is live at casinos in 40 countries. See the availability table above and check your casino's licence before depositing.
Yes. The game is built in HTML5 and JavaScript and loads in mobile browsers with no download. The game size is 26.8 MB.
The standard range is 0.20 to 100 per spin. Some casinos set narrower limits, such as €0.10 to €20.
Diamonds Power XXL: Hold and Win has the higher published RTP at 95.60%, against 94.49% for 3 Supercharged Diamonds. XXL is rated medium-high volatility; no volatility rating is published for 3 Supercharged Diamonds yet.
Playson released 3 Supercharged Diamonds: Hold and Win on 14 May 2026. It followed Diamonds Power XXL (November 2026) and came before 4 Supershiny Diamonds (August 2026).
Conclusion: Who Will Enjoy 3 Supercharged Diamonds
3 Supercharged Diamonds suits players who like quick 3x3 spins with a feature-heavy Hold and Win bonus. Three features that can stack, a Collect Diamond on reel 2 and fixed jackpots up to 1,000x give the round more variety than earlier Diamonds titles. The 75x and 200x buys let you reach that bonus directly.
It is a weaker fit if RTP comes first: 94.49% is the only published figure, below the 95.60% of Diamonds Power XXL, and no volatility rating exists yet. Players who want 10,000x as a fixed jackpot should look at 4 Supershiny Diamonds, because here 10,000x is the overall cap. Start with the free 3 Supercharged Diamonds demo, then compare the RTP at the casinos in our list.
Filip Gromovic is a senior slots reviewer here at FreeSlots99 with over five years of experience evaluating the latest drops in the world of iGaming.
Being a slot fan himself, Filip approaches slot ratings just the way we like it – professionally, but also from a player’s standpoint.
That enables him to give his unbiased take on the slot’s features, gameplay and design, while only recommending top-tier releases to our readers.
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Having served FreeSlots99 for more than 5 years as a senior content editor and reviewer, Nashon Khamala has extensive knowledge in game slots and iGaming.
His membership in the Editorial Freelancers Association helps him deliver content that reaches both editorial excellence standards and an engaging information level.
By using his expertise in slots games combined with player-focused analysis, Nashon delivers a professional evaluation of slot features and player experiences in his reviews.
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