Striking Diamond 2 from Fugaso reinvents the 3×3 classic slot with high-voltage volatility and the Running Wins™ mechanic. Featuring a 96% RTP and a sticky Super Bonus collector, this game offers electrifying jackpots. Try the demo on Respinix.

Visuals and Audio: Neon Lights Meet Old School Fruits
Visually, the game occupies the space between a retro throwback and a futuristic arcade game. The symbols are rendered with a glossy, high-definition sheen that makes the lemons and watermelons look almost synthetic, fitting perfectly with the “Striking” theme. The animations are sharp; when the Boost Feature triggers, electricity arcs across the screen, connecting the Super Bonus to the cash values, providing immediate visual feedback on your wins.
The audio design complements this with a synth-heavy soundtrack that builds tension without becoming obtrusive. It lacks the orchestral grandeur of something like Gates of Olympus 1000, but for a fast-paced 3×3 grid, the punchy sound effects sync perfectly with the reel stops.
Core Mechanics: More Than Just Three Reels?
At its heart, Striking Diamond 2 operates on a strict 3×3 grid with 5 fixed paylines. This is the standard chassis for the genre, similar to Crown Bonanza. However, the similarity ends there.
- Grid: 3 Reels, 3 Rows.
- Paylines: 5 Fixed lines.
- Wilds: The Red ‘W' symbol is the highest paying asset, offering 50x your stake for a line of three.
The gameplay loop is tight. You aren't waiting for long, drawn-out animations. The Hit Frequency (though officially unpublished) feels consistent with high-volatility 3×3 games, likely hovering around the 12-15% mark based on the distribution of dead spins versus feature triggers in extended play. The inclusion of the Wild Symbol is crucial here; it substitutes for all regular symbols (Fruits, BARs, 7s) but crucially does not substitute for the Bonus or Super Bonus symbols. This prevents the “fake out” frustration common in other slots where a Wild blocks a bonus trigger.
The Boost Feature: How the Base Game Stays Alive
One of the biggest flaws in high-volatility slots is the boredom of the base game. Fugaso addresses this with the Boost Feature.
Here is how it works:
- The Trigger: You need a Super Bonus Symbol (Blue Diamond) on Reel 2 AND any Bonus Symbol (Yellow Gem) on Reels 1 or 3.
- The Effect: The Super Bonus symbol acts as a magnet/collector. It instantly sums up the values of all present Bonus symbols and awards the total to the player immediately.
This mechanic reminds me of the “Collect” features in Lucky Bass Mega Cash Collect, but condensed into a much smaller play area. It means that every time you see that Blue Diamond land in the center, your heart rate spikes, even without triggering the main bonus game.
Running Wins™ Feature: The Path to the Grand Jackpot
The Running Wins™ feature is the main event. It is activated when you land Bonus Symbols (Yellow Gems) on all three reels. This is where the game shifts from a standard slot to a strategic Hold & Win arena.
- The Setup: You start with 3 Respins.
- The Stick: Only Wilds, Bonus, and Super Bonus symbols appear.
- The Reset: Every time a new symbol lands, the counter resets to 3.
The unique twist here is the behavior of the Super Bonus Symbol on Reel 2. Unlike standard sticky symbols in games like Money Train 2, the Super Bonus on Reel 2 remains sticky and collects the values of all visible Bonus symbols on every single re-spin.
Quantitative Analysis:
If a standard Bonus symbol has a value of 5x and stays on the screen for 5 spins, in a normal game you win 5x. In Striking Diamond 2, if you have a Super Bonus on Reel 2, it collects that 5x every spin. Over 5 spins, that single 5x symbol generates 25x in value via the collector. This compounding effect is the key to reaching the higher payouts, including the Grand Jackpot of 1000x the total bet.
Symbol Legend: “Behind the Glitz”
| Symbol | Cultural Context in Slots |
|---|---|
| Diamond | The ultimate symbol of hardness and value. In slots, it traditionally represents the highest tier of wins, bridging the gap between mechanical durability and luxury. |
| Seven (777) | A holdover from early mechanical machines where ‘7' was often a lucky number. In Striking Diamond 2, they represent the bridge between fruit payouts and jackpot potential. |
| BAR | Originally representing a pack of chewing gum (Bar branding) in early 20th-century fruit machines to bypass anti-gambling laws. Now, a staple of classic gaming. |
| Lemon | The “sour” prize. Historically the lowest paying symbol, representing a “lemon” or a dud, though here it serves as a mid-tier fruit. |
Mathematical Paradox of the Slot
There is a fascinating mathematical tension in Striking Diamond 2 regarding the Super Bonus on Reel 2.
The Paradox: While the Super Bonus is the most powerful symbol for the Boost Feature and Running Wins, its exclusivity to Reel 2 creates a bottleneck.
By occupying the center position of the 3×3 grid, the Super Bonus symbol actively blocks standard line wins (which require 3 matching symbols on a payline) unless it triggers a feature. Since the Super Bonus is not a Wild, its appearance is a binary outcome: it either triggers a potentially massive win (if accompanied by other bonus symbols) or it breaks a potentially winning line of standard symbols. This “all-or-nothing” mechanic on the center reel is what drives the game's high volatility profile, forcing players to trade frequent small line wins for the chance of a feature trigger.
Comparative Analysis: Striking Diamond 2 vs. The Competition
When we look at the landscape of classic-slots, Striking Diamond 2 holds a unique position.
- Vs. Money Coming: Both games rely heavily on special reel mechanics rather than standard matching lines. However, Money Coming is far simpler, whereas Striking Diamond 2 offers a deeper bonus round with its collecting mechanic.
- Vs. Jokers on Top: While Jokers on Top plays it safe with traditional Joker mechanics, Striking Diamond 2 pushes the envelope with the Hold & Win feature, making it more akin to a miniaturized version of Money Train 3 than a traditional fruit slot.
- Vs. Crown Bonanza: Both utilize the 3×3 grid and royal/luxury aesthetics. However, Crown Bonanza focuses more on direct payline wins, whereas Fugaso's creation is entirely centered around the bonus trigger frequency.
For players who enjoy the collecting mechanics of Piggy Bank but find the 5-reel setup too slow, Striking Diamond 2 offers that same thrill in a condensed, faster package.
Expert Tip
Vlad Hvalov says: “Don't underestimate the volatility of a 3×3 grid. In Striking Diamond 2, your bankroll management should be aggressive but cautious. Because the Super Bonus blocks standard line wins on reel 2, you will experience streaks of ‘dead' spins that look like near-misses. I recommend playing the demo mode on Respinix first to understand the rhythm of the Boost Feature before committing real funds.”
Verdict: Is This Diamond Worth the Chase?
Striking Diamond 2 is a successful experiment in miniaturization. Fugaso has managed to cram the excitement of a high-volatility Hold & Win feature into a compact 3×3 frame without making the game feel cluttered.
The defining feature is undoubtedly the Super Bonus collector. It transforms a standard respin bonus into a compounding wealth generator. While the base game can feel punishing due to the “blocking” nature of the special symbols, the payoff during the Running Wins feature justifies the patience.
This slot is highly recommended for players who love the mechanics of Money-slots but prefer the speed and simplicity of Retro-slots. It is not for the faint of heart or those who prefer low-variance “entertainment” slots; this is a machine built for those chasing the 1000x Grand.
FAQ
You can play the Striking Diamond 2 slot for free right here on Respinix.com without any registration or download required.
The Boost Feature triggers when a Super Bonus symbol lands on Reel 2 alongside any Bonus symbol on Reels 1 or 3, instantly collecting their values.
It is a Hold & Win style bonus round where you get 3 respins, and the Super Bonus symbol on Reel 2 sticks to collect values from all other symbols on every spin.
Yes, due to its specialized mechanics and the potential for a 1000x Grand Jackpot, the game behaves with medium-to-high volatility.
You can win real money by playing at a licensed online casino that hosts Fugaso games, but on Respinix, only the free demo version is available.
The specific Max Win is driven by the Grand Jackpot which pays 1000x your total bet, plus any accumulated values during the Running Wins feature.
Absolutely, Fugaso builds all their slots with HTML5 technology, ensuring flawless performance on both iOS and Android smartphones.
The Wild symbol (Red W) is the highest paying standard symbol, offering 50x your bet for three on a payline.











