Diamond Supercharge Slot Review & Free Play

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Rated 3(Average)

by 2 people.What do you think?

Expert Review: Matija Antic's Verdict & Opinion

Matija Antic

Feb 19, 2026

Diamond Supercharge: Shine on Three Reels of Pure Sparkle for 5,000x Your Bet

Matija Antic rated this game:

2.5 out of 5

Recently released by Iron Dog Studio, Diamond Supercharge is a simple slot that looks a bit older than it is. But with 5,000x max win on the table, that stops mattering pretty quickly.

I think that its 3-reel, 5-row grid with 15 winlines would look great on a phone. It plays at 95% RTP and high volatility, with colored gems and royals under a diamond that sits on top like a trophy.

In about 70 or 80 spins, my balance barely moved. Something came back every three spins, between 1x and 5x my bet, and I could not complain about that part even if I wanted to. Red gems lined up for 4x, Wilds helped complete royal lines at 1x, and it just ticked along.

Cash symbols with 1x to 10x values land on reels 1 and 3, and when a Collector shows up on reel 2, it scoops everything into Hold & Win with 3 respins that reset on every new symbol. Hotspots with 2x to 5x multipliers boost whatever lands in them, and four jackpots glow on the side from Mini to Mega.

Extra Cash can also randomly flood the reels and guarantee entry, plus a Buy Bonus at 70x your stake is there to spice things up. Hold & Win triggered once for me and collected 5.5x my bet, so the feature works, it just showed up without real weight.

Overall, the reason I walked away was not the math. That electric blue background drained every bit of enthusiasm I had, and staring at it for twenty minutes felt like a chore no steady returns could fix.

PROS

Steady returns in the base game
5,000x max win

CONS

Visual design feels dated and draining
Hold & Win lacked high cash values

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Diamond Supercharge Score by Real Players

3.0 out of 5 |

(2 people voted)

Game Rating

5 star

4 star

50%

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50%

1 star

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Player Reviews
2 reviews

Spin_N_Chill

30.03.2026

Visual Design Feels Draining

The electric blue background feels out of place and tiring to look at for extended periods. It detracts from the overall experience, making it harder to enjoy the game despite its potential payouts.

FreeSpin-Fan

27.03.2026

Hold & Win delivers a solid return

The Hold & Win feature in this session returned a much more satisfying 480.00, significantly outperforming the previous 5.5x bet example. This payout shows that when the feature hits with larger cash values, it can deliver a more impactful experience, making it feel worthwhile and much more exciting.

Diamond Supercharge Game Details

Software
Iron Dog Studio
Release date
Jan 14, 2026
Slot type
Classic Slots+2
Theme
Jewels and Gems
RTP
95%
Volatility
High
Hit Rate
Undisclosed
Paylines
15
Min. Bet
0.1
Max Bet
40
Reels
3
Max win per line
10x

Total max winnings
200,000
Mobile
Yes
Autoplay
Yes
Free Spins
No
Bonus Round
Yes
Bonus Buy
Yes
Wild
Yes
Multiplier
Yes
Scatter
No
Progressive
No
Adjustable paylines
No
Other features
Reel Respins+3

Ways to Win on Diamond Supercharge - Paytable & Paylines

CHOOSE YOUR BET

How to use the paytable

1x	2x	3x
-	-	$10
-	-	$8
-	-	$4
-	-	$4
-	-	$1
-	-	$1
-	-	$1
-	-	$0.5

Wild

Diamond Supercharge RTP & Volatility

Diamond Supercharge Slot Features

Diamond Supercharge has 7 out of 25 most popular slot features.

FREE SPINS

SCATTER

EXPANDING WILDS

STACKED WILDS

SHIFTING WILDS

STICKY WILDS

WALKING WILDS

RANDOM WILDS

TRANSFERRING WILDS

SPLIT SYMBOLS

PROGRESSIVE

GAMBLE

ADJUSTABLE PAYLINES

NUDGE

COLOSSAL REELS

CASCADING REELS

ROTATING REELS

WIN BOTH WAYS

How To Play Diamond Supercharge

Step 1

ADJUST THE STAKE.

Tap the “Coins” button on the bottom right side of the screen to determine the “Bet” value for each spin.

Step 2

AIM FOR THE PRIZE.

Hit the “Spin” button to play the game with the bet amount that you have assigned.

Step 3

ACTIVATE AUTOPLAY.

Take advantage of the optional “Autoplay” feature to set up a select number of automatic spins.

Step 4

ACQUIRE BONUSES.

You can “Buy” the optional “Bonus” feature from the top right corner by using your game credits.

Step 5

ACCELLERATE TURBO MODE.

Turn on the optional “Turbo” feature from the “Settings” menu to enjoy fast spins.

Diamond Charge Collection by Iron Dog Studio

Game	Year	RTP	Features
Diamond Charge Extra	2026	93.33%	Mobile, Desktop, Html5, Non-progressive, Bonus Round+8
Diamond Supercharge	2026	95%	Mobile, Desktop, Html5, Non-progressive, Bonus Round+8
Diamond Charge Hold and Win	2025	95.1%	Mobile, Desktop, Html5, Non-progressive, Bonus Round+8
Diamond Charge Megaways	2025	96.3%	Mobile, Desktop, Html5, Bonus Round, Wild+6

DIAMOND SUPERCHARGE SLOT FAQs

Is it possible to play the Diamond Supercharge slot machine without paying?

Yes! Diamond Supercharge is available to all types of players as a free mode that you can play on SlotsMate. This means that all you have to do is start the game and play, no sign-up or download is needed.

What is the RTP of the Diamond Supercharge online slot?

The Diamond Supercharge RTP is 95%. This is an average RTP slot machine and you can play it for free here on SlotsMate.

What is the Diamond Supercharge max win?

The max win of Diamond Supercharge is $10, based on the following formula: maximum coins per line multiplied by the value of the best-paying symbol. Enjoy the features and aim for the big prize right here on SlotsMate.

Can I unlock free spins when playing Diamond Supercharge?

No, you cannot unlock any Free Spins in Diamond Supercharge online slot because it does not come with this feature. It does, however, offer Autoplay, Wild, Multiplier, Reel Respins, Retriggering, Slots Hold, Bonus Round, Bonus Buy and 3D Animation.

Can you win a progressive jackpot on Diamond Supercharge slot?

Unfortunately Diamond Supercharge does not provide a progressive jackpot, but you can still have a great gaming experience through its nice features. Try it out for free on SlotsMate!

Can you find slots from the same collection as Diamond Supercharge?

Yes! On SlotsMate you can find the game collection of 3 slot machines, that contains Diamond Charge Extra, Diamond Charge Hold and Win, Diamond Charge Megaways and play them for free!