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USA Slot Review
Launches in
Visitor Rating:
90% Gold star
Times Played:
1 Times Played
Quick Facts
| Provider: ProviderThe Slot Provider is none other than the company who developed the slot. Simply click on the name of the provider to find our more about it! | |
| Date Launched: Date LaunchedThe date when this slot game was launched. | 09/05/2025 |
| Theme: ThemeTheme is the general genre that the the slot could be classified as. One of the elements that makes slot games appealing, A nicely planned popular theme can potentially skyrocket the popularity of an online slot! | 777, Bell, Diamonds, Fruits, Horseshoe |
| Jackpot: JackpotA stand-alone or multi-leveled progressive prize pool that a player can win at a given time, simply by spinning the reels. | |
| Special Symbols: Special SymbolsThe special symbols of a slot are part of its mechanic. Elements such as Wilds, Scatters and regular paying symbols come together to form winning combinations. | Bonus, Fruit, Fruits, Multipliers, Re-Spins, Symbols Collection, Wilds |
Review Summary
3 Energy Diamonds is a low-volatility slot with a classic layout and a powerful core mechanic in its Hold & Win bonus round, highlighted by three engaging Energy Diamond modifiers. With an RTP of up to 95.83% (with Double Chance activated) and a top prize of 5,200x the stake, the slot is built to appeal to players who enjoy frequent features and engaging visual feedback. The main game may feel straightforward with its 5 paylines, but things escalate once the bonus game is triggered and special Energy Diamonds begin to unlock larger rewards and grid expansions. It’s a rewarding title for those who enjoy calculated progression and low-risk entertainment, and the betting range of €0.10 to €100 ensures it's accessible to players of all budget levels. The slot doesn’t try to overwhelm with complexity but instead focuses on doing a few things very well, and that clarity of design is what makes it such a strong addition to the 3 Oaks Gaming portfolio. With mobile optimization and demo availability on Casinolandia, it’s a game that's easy to explore before diving into real money sessions. Players looking for immersive action with manageable variance will find 3 Energy Diamonds to be an appealing option.
Slot Information
| Return to Player (RTP): Return to Player (RTP)The Return to Player is a statistic that aims to show the player's edge over the casino - the higher this number is the better! We review all slots based on this RTP value so click on the percentage on the right to find our more slots with a similar RTP! | 95.74% |
| Volatility/Variance: Volatility/VarianceVolatility or Variance is meant to describe the winning potential of a slot game: a high volatility will have you win big but no so often, while a low volatility will let you win frequently, but less. | Low |
| Progressive Slot: Progressive SlotA progressive slot is a slot that keep on growing its total possible winning pool; usually linked by a network of slots. It is also known as a jackpot. | |
| Slot Type: Slot TypeSlots can be categorized as classic, 3D, video slots, etc. Click on the type of slot on the right to see similar types of slots! | Video Slot |
| Rows: RowsPart of the design of the slot, the rows are the horizontal lines that trigger special features when certain paying symbols fall in place. | 3 |
| Reels: ReelsReels are the vertical lines that are build in the slots architecture; together with the rows they help trigger special winning combinations. | 5 |
| Paylines: PaylinesPaylines, or betting lines, are the pre-determined links of symbols across the rows and reels of a slot. A slot can have anywhere from just 1 payline or up to thousands paylines! | 5 |
| Slot Layout: Slot LayoutThe layout of the slot is the way the slot is built, based on the number of rows, reels and paylines. | 5 x 3 |
Slot Features
Pros
- Engaging Energy Diamond Features
- Low Volatility
- Highly Accessible Betting Range
- Mobile-Optimized Gameplay
Cons
- No Free Spins Mode
- Limited Paylines
- Moderate RTP
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Screenshots
3 Energy Diamonds Win
3 Energy Diamonds Transform
3 Energy Diamonds Base
3 Energy Diamonds Cherry
3 Energy Diamonds Bonus
3 Energy Diamonds BigWin
3 Energy Diamonds Homescreen
Expert’s Opinion
I can confidently say that 3 Energy Diamonds successfully fuses the retro aesthetics of classic fruit machines with cutting-edge bonus features in a way that feels both familiar and refreshingly modern. The standout elements here are undoubtedly the Energy Diamond modifiers, which add meaningful strategic depth to an otherwise accessible game. They not only breathe life into the Hold & Win format but also give players a genuine sense of progression as the grid expands, values grow, and big wins stack up. The decision to exclude traditional Free Spins might deter some players, but I see it as a deliberate choice to streamline the gameplay and focus on what the game does best—its jackpot-style, respin-focused bonus mechanic. The RTP is competitive for a Hold & Win title, especially with the Double Chance toggle, and the low volatility makes it easy to recommend for longer play sessions without risking heavy losses. While it might not have the explosive variability or high-end volatility that thrill-seekers crave, it more than makes up for it with steady pacing, great design, and clever features. Overall, this is a tightly crafted game that’s perfect for both new players and veterans who appreciate modern spins on familiar formats.
9.63 /10 by Yordan Gyuzelski
Introduction to 3 Energy Diamonds Slot
3 Energy Diamonds: Hold & Win is a vibrant and dynamic video slot developed by Octoplay, centered around the timeless appeal of classic fruit slot aesthetics with a modern twist through its innovative Hold & Win mechanics. This slot transports players into a glitzy neon-lit world filled with familiar symbols like fruits, sevens, and bells, while adding the thrill of Energy Diamonds that can Collect, Increase, or Expand the reels for amplified rewards. It’s an immersive blend of nostalgic design and contemporary slot features, ideal for both traditional slot enthusiasts and those chasing the latest in bonus-packed gameplay, topped with a max win potential of 5,200x the stake.
3 Energy Diamonds Slot Provider
Octoplay is a rapidly rising star in the iGaming space, known for its compelling fusion of modern mechanics and retro themes, crafting titles that are both innovative and accessible. With an expanding portfolio featuring hits like Vegas Blitz: Hold & Win and Dynamite Trail: Hold & Win, Octoplay is solidifying its identity around feature-rich gameplay and consistently engaging Hold & Win formats. Their commitment to mobile optimization, player engagement, and visually appealing designs ensures that each release appeals to a broad spectrum of slot fans across multiple markets.
3 Energy Diamonds Slot Characteristic:
| Characteristic | Value |
|---|---|
| RTP | 95.74% |
| Max Win | 4200 x Bet |
| Bonus Game | Yes |
| Special Symbols | Wild, Bonus |
| Paid Symbols | 9 |
| Free Spins | Yes |
| Reels | 5 |
| Rows | 3 |
| Slot Layout | 5×3 |
| Technology | HTML5, JS |
| Platforms | Mobile, Desktop, Tablet |
| Minimum Bet | $0.10 |
| Maximum Bet | $150 |
3 Energy Diamonds Slot Gameplay and Mechanics
The gameplay in 3 Energy Diamonds: Hold & Win revolves around a straightforward 5-reel, 3-row layout with 5 fixed paylines, offering a clean and easy-to-follow gaming experience. Wins are formed by landing three or more matching symbols on adjacent reels starting from the leftmost reel, allowing for simple recognition of potential outcomes. The energy-driven gameplay is spiced up with the appearance of Coin Symbols, Energy Diamonds, and Jackpot Symbols, all of which can lead to the triggering of the Hold & Win feature—a key bonus game where major wins are possible.
The mechanical structure is heavily influenced by the Hold & Win system, activated by landing 6 or more Coin Symbols or charging one of the Energy Diamonds. Players begin with 3 spins and aim to lock Coin or Jackpot symbols in place; each successful lock resets the spin counter back to three. Special features embedded in the mechanics such as Energy Diamonds add depth, with the ability to collect coins, increase their value, or expand the reel set, reinforcing the slot’s capacity for exciting chain reactions and strategic enhancements during play.
3 Energy Diamonds Slot RTP
3 Energy Diamonds: Hold & Win comes with a return-to-player rate (RTP) of 95.74%, which is slightly below the average of 96% seen across many online slots. However, players who activate the Double Chance feature will see a slight RTP increase to 95.83%, enhancing the probability of entering the lucrative bonus round. While the RTP may not be the highest, the game's bonus mechanics and jackpot features help offset this by offering meaningful win potential.
3 Energy Diamonds Slot Volatility
The game operates with low volatility, meaning players can expect smaller but more frequent wins during regular gameplay, which is ideal for casual players or those with smaller bankrolls. This style of variance ensures prolonged play sessions and steady progression without the extreme ups and downs associated with high-volatility slots. While this also means that massive hits are less frequent outside of bonus rounds, the steady returns and frequent features contribute to an engaging rhythm of gameplay.
3 Energy Diamonds Slot Betting Range
The slot accommodates a wide variety of players with a flexible betting range that starts at a minimum of €0.10 and caps at a maximum of €100 per spin. This versatility allows both conservative players and high rollers to tailor their sessions to their comfort level, with ample opportunity for meaningful wins. For example, betting the minimum €0.10 could theoretically result in a maximum payout of €520 (0.10 x 5,200), while betting the maximum €100 could potentially yield an astonishing €520,000 (100 x 5,200) if the top prize is hit.
3 Energy Diamonds Slot Symbols Explained
High-Paying Symbols![3 Energy Diamonds Paytable]()
The high-paying symbols include the 777, golden bell, and horseshoe, all echoing the aesthetic of traditional slot machines. Among these, the 777 is the most valuable, awarding up to 25x the bet for five matching symbols and even offering a payout for just two on a payline. These symbols form the cornerstone of larger base game wins and offer the most rewarding combinations when matched across the reels.
Low-Paying Symbols
The low-paying symbols are the classic fruit icons—cherry, lemon, orange, plum, and grapes—which provide a nostalgic feel while contributing modestly to the payout table. Their rewards range from 5x to 7.5x the bet for five of a kind, making them valuable mainly for maintaining balance in between the more rewarding spins. Though their individual returns are lower, they help fill the board with consistent action and complement the slot’s low volatility.
Special Symbols
Special symbols drive the unique mechanics in 3 Energy Diamonds: Hold & Win, starting with the Wild symbol—a purple star—that substitutes for all standard symbols except Coin, Jackpot, and Energy Diamonds. The Coin Symbol is essential for triggering the Hold & Win feature, with values between 1x and 10x the bet, while the Jackpot Symbol can deliver anywhere from 25x to a staggering 2,500x the bet during the bonus round. Lastly, the three Energy Diamonds—Increase, Collect, and Expand—each deliver a powerful bonus effect, enhancing the reward value, collecting visible symbols, or even expanding the grid for more opportunities.
3 Energy Diamonds Symbols
The mix of traditional fruit and slot symbols, backed by powerful Wilds, Coins, Jackpots, and the Energy Diamonds, delivers a rich symbol set that balances simplicity with thrilling potential.
x3 = 1x
x4 = 2x
x5 = 5x
x3 = 1x
x4 = 2x
x5 = 5x
x3 = 1x
x4 = 2x
x5 = 5x
x3 = 1.5x
x4 = 3x
x5 = 7.5x
x3 = 1.5x
x4 = 3x
x5 = 7.5x
x3 = 2x
x4 = 4x
x5 = 10x
x3 = 3x
x4 = 6x
x5 = 15x
x2 = 0.5x
x3 = 5x
x4 = 10x
x5 = 25x
x5 = 50x
3 Energy Diamonds Slot Features
3 Energy Diamonds: Hold & Win is packed with interactive and rewarding features that add serious replay value to this visually simple slot. The Hold & Win mechanic serves as the game’s central bonus round, offering chances to win fixed Jackpots and enhanced rewards through Energy Diamonds. Additional enhancements like the Double Chance option give players more control and higher odds of accessing the lucrative feature mode for an extra cost.
| Feature | Description |
|---|---|
| Wild Symbol | Substitutes all symbols except Coins, Jackpot, and Energy Diamonds. |
| Jackpot Symbol | Awards up to 2,500x during Hold & Win, boosts value in base game. |
| Energy Diamonds | Trigger Increase, Collect, or Expand effects for enhanced Hold & Win bonuses. |
| Hold & Win | Activated with 6+ Coins or via Diamonds; locks values and resets spins. |
| Double Chance | Increases bonus game hit rate for an additional 50% of the base bet. |
3 Energy Diamonds Slot Demo Version
A demo version of 3 Energy Diamonds: Hold & Win is available, offering players a chance to explore the game’s features and mechanics without spending real money. This version is especially useful for learning how the Energy Diamonds and Hold & Win system work before committing to real stakes. At Casinolandia, we proudly host this demo so you can try it risk-free and build confidence in your strategy and understanding of the gameplay flow.
3 Energy Diamonds Slot Compatible Devices
Octoplay has developed 3 Energy Diamonds: Hold & Win using modern HTML5 technology, ensuring full compatibility across all devices including desktop computers, smartphones, and tablets. The mobile version retains all core features, crisp visuals, and responsive controls, allowing players to enjoy a seamless experience whether at home or on the move. Regardless of your preferred platform, you can spin the reels smoothly without any compromises to performance or quality.
Frequently Asked Questions (FAQs)
These questions provide concise answers to common queries about 3 Energy Diamonds Slot, ensuring clarity and understanding for players.
What is the RTP of 3 Energy Diamonds Slot?
The RTP (Return to Player) of 3 Energy Diamonds is set at 95.74%, which is slightly below the industry average. However, when the optional Double Chance feature is enabled, the RTP increases to 95.83%. This means players have marginally better odds of triggering the Hold & Win bonus feature when using that option.
What is the maximum win in 3 Energy Diamonds Slot?
The maximum win in 3 Energy Diamonds is an impressive 5,200x your stake. This top prize can be achieved during the Hold & Win bonus round, especially with high-value Jackpot Symbols and Energy Diamond enhancements. Hitting the Grand Jackpot or filling the entire grid with valuable symbols are the keys to reaching this payout ceiling.
How many paylines does 3 Energy Diamonds Slot have?
3 Energy Diamonds features a classic setup with 5 fixed paylines. Wins are awarded for landing three or more matching symbols from left to right on adjacent reels. The limited number of paylines keeps the gameplay simple and easy to follow.
Does 3 Energy Diamonds Slot Offers a Free Spins Round?
No, 3 Energy Diamonds does not include a traditional free spins round. Instead, the game focuses on the Hold & Win bonus feature, which functions similarly by offering respins and locked symbols. This bonus round provides frequent engagement and strong win potential through its special mechanics.
Can I play 3 Energy Diamonds Slot on my mobile device?
Yes, 3 Energy Diamonds is fully optimized for mobile play across Android and iOS devices. The game uses HTML5 technology to ensure smooth performance, crisp visuals, and intuitive touch controls on smaller screens. Whether on smartphone or tablet, you can enjoy the full experience without any compromise in quality.
Is there a demo version available for 3 Energy Diamonds Slot?
Yes, a demo version of 3 Energy Diamonds is available to try for free. At Casinolandia, we proudly offer the demo so players can explore the game’s features, mechanics, and bonus rounds without any risk. It's a great way to get familiar with the Energy Diamond effects and Hold & Win gameplay before playing with real money.
What are the betting limits in 3 Energy Diamonds Slot?
The betting range in 3 Energy Diamonds spans from €0.10 to €100 per spin. This wide range caters to both casual players and high rollers, making the game accessible to all types of budgets. Betting limits can be adjusted easily through the game interface to suit your preferred playing style.
What features does 3 Energy Diamonds Slot offer?
3 Energy Diamonds focuses on bonus-packed gameplay driven by its Hold & Win system and unique Energy Diamonds. These features enhance win potential and add excitement to every spin.
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Wild Symbol – Substitutes for standard symbols to complete winning lines.
-
Jackpot Symbol – Offers fixed payouts up to 2,500x during the bonus round.
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Coin Symbol – Triggers the Hold & Win round when six or more land on the reels.
-
Energy Diamond – Increase – Boosts all visible coin and jackpot values.
-
Energy Diamond – Collect – Gathers the total value of all visible bonus symbols.
-
Energy Diamond – Expand – Adds a new row to the reel grid for more symbol positions.
-
Double Chance – Increases the likelihood of triggering the bonus for a higher bet cost.
Where can I play 3 Energy Diamonds Slot?
3 Energy Diamonds can be enjoyed at numerous trusted and reputable online casinos. You’ll find it featured on our handpicked list of recommended platforms at the top of this page. These casinos provide a safe, licensed environment for playing the slot on desktop, tablet, or mobile devices with full peace of mind.
What is the volatility level of 3 Energy Diamonds Slot?
3 Energy Diamonds is a low-volatility slot, meaning it delivers smaller, more frequent wins throughout gameplay. This style suits players looking for a less risky and more consistent experience. The game maintains a steady pace with bonus features activating fairly regularly, especially with the Double Chance active.
What symbols should I look out for in 3 Energy Diamonds Slot?
Players should keep an eye out for the 777 symbol, as it offers the highest payout among regular symbols. The Wild symbol helps complete winning lines, while Coin and Jackpot Symbols unlock the path to the Hold & Win feature. The three Energy Diamonds—Increase, Collect, and Expand—are key to unlocking powerful enhancements and maximizing your bonus rewards.
Concluding Thoughts
3 Energy Diamonds by 3 Oaks Gaming stands out as a polished, feature-rich slot that merges simplicity with strategic excitement, offering a well-balanced experience for both casual and seasoned slot enthusiasts. Its use of classic 3×3 grid design combined with modern Hold & Win mechanics and the innovative Energy Diamond modifiers ensures the game maintains constant momentum, even in the absence of a traditional Free Spins round. The synergy between the increasing, collecting, and expanding Energy Diamond effects creates thrilling possibilities for chain reactions and substantial payouts, particularly when activated in tandem. Moreover, the game’s low volatility makes it highly approachable, especially for players seeking entertainment with frequent but modest wins, and the inclusion of a Double Chance toggle provides some control over feature frequency without feeling too punishing. Visually, the game is crisp, vibrant, and intuitive, and its compatibility with mobile devices ensures accessibility anytime, anywhere. While it may not cater to those chasing extremely high-risk, high-reward volatility or complex bonus modes, it thrives within its own niche of steady action and user-friendly gameplay. All things considered, 3 Energy Diamonds effectively modernizes the classic slot formula, offering innovation where it counts and satisfaction through its dynamic bonus potential.
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