Iron Dog Studio

Diamond Charge Extra

Gem-themed Hold and Win slot with Cash Collectors

SlotRanker Score
72
/ 99
72
05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

RTP
95.2%
return to player
Volatility
Medium/High
variance
Max win
5,000×
top multiplier
Min bet
$0.10
per spin
Reels
5
25 lines
Player rating
4.0 ★
17 votes
DEMO Play free, no signup
Iron Dog Studio
Diamond Charge Extra
Embed on your site
4.0 / 5
17 ratings
Sign in to rate this slot and earn points.

User ratings are shown separately from the Slot Score unless stated otherwise.

Why this score

High confidence (100%)

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Slot score profile across 5 weighted categoriesPayouts & RTP8/10RTP 95.2% → 8.0/10Volatility9/10high → 9.0/10Win Potential7.4/10x5000.00 (5000×) →…Features10/1014 features →…Game Mechanics7.2/10f=14 r=5 p=25 →…
Payouts & RTP8/10
RTP 95.2% → 8.0/10
Volatility9/10
high → 9.0/10
Win Potential7.4/10
x5000.00 (5000×) → 7.4/10
Features10/10
14 features → 10.0/10
Game Mechanics7.2/10
f=14 r=5 p=25 → 7.2/10
Context signals (tie-breakers)
Layout6/10
5x3 → 6.0/10
0.1–50 (×500) → 6.0/10
provider avg 6.9 → 6.9/10
synthetic proxy → 2.5/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 72 — Diamond Charge Extra by Iron Dog Studio

https://slotranker.com/iron-dog-studio/diamond-charge-extra#score
How to cite

Slot Summary

Risk-tolerant players get the clearest read on Diamond Charge Extra from its x5000 ceiling and Medium/High profile. Iron Dog Studio uses a 5x3, 25-payline format as the entry point to Cash Collector activity, Hold and Win Respins, Fixed Jackpots, and a random coin reward. The Gems and Luxury treatment is secondary to the repeated decision of whether to use the Bonus Bet for more feature exposure.
MechanicsCash Collectors feed a Hold and Win feature

How It Plays

Payline wins are evaluated across 5 reels and 3 rows, with 25 lines active. The base game also introduces Cash Collector symbols before the dedicated Hold and Win sequence begins.

The Bonus Bet gives players a way to alter feature exposure while keeping the same underlying reel format. A random reward can add another route into the cash-symbol action.

Theme & Atmosphere

Gems provide the visual subject, but the Luxury theme mainly acts as a readable wrapper for coin values, Collector symbols, and the four Fixed Jackpot tiers.

The presentation keeps attention on valuable objects rather than characters or narrative scenes. That choice suits a game whose main events depend on gathering marked symbols.

Features & Win Potential

Cash Collectors can gather displayed cash values in the base game, while Hold and Win moves the emphasis to Respins and retained value symbols.

Four Fixed Jackpots accompany the Hold and Win route. A random coin reward and Multipliers add separate value changes without replacing the main Collector mechanic.

Spec sheet
Diamond Charge Extra at a glance.
Identity
Slot nameDiamond Charge Extra
Released
Math
SlotRanker Score72
RTP95.2%
VolatilityMedium/High
Max win5,000×
Bet range$0.10 – $50.00
Player rating4.0 / 5 · 17 votes
Format
Reels5
Paylines25
Layout5x3

True Cost to Play

Expected average based on this slot's 95.2% RTP — individual sessions vary with volatility.

Cost per hour$1.92
Cost per session$1.92

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

Bankroll survival simulator

How long could a bankroll last on Diamond Charge Extra? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Volatility tier: Medium-High

Running simulation…
How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (Medium-High). The model is calibrated so the average return equals this slot's published RTP (95.20%), with wins capped at its top multiplier (5,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Diamond Charge Extra

No matching casinos for your region yet

Casino availability depends on where you play from. We only show casinos that accept players from your country.

Compare Diamond Charge Extra with other games

Diamond Charge Extra
Diamond Charge Extra
Score 72This game
Max MegawaysMax Megaways
Score 89
Bling Bling PenguinBling Bling Penguin
Score 87
Double Diamond NightDouble Diamond Night
Score 85
Tumblin' DublinTumblin' Dublin
Score 84
Identity
Studio
Popiplay This provider has been reviewed and approved by the SlotRanker team. What does this mean?
Released—9/21/20226/5/202311/6/20239/25/2023
Math
RTP95.2%96.37%96.5%96.11%96.34%
VolatilityMedium/HighHigh volatilityHigh volatilityHigh volatilityHigh volatility
Max win5,000×139,200×13,500×10,200×6,000×
Format
Reels56575
Layout5x36x75x37x85x5
Paylines25117649243Pay Anywhere3125
Min bet0.10.20.20.2—
Max bet5032025—
Features
Progressive—————
Wild symbol✓✓✓—✓
Free spins✓✓✓✓✓
Scatter symbol—✓✓✓✓
Multiplier✓✓——✓
Bonus game✓—✓——
Respins✓—✓——

Explore More Games with Similar RTP

GameProviderRTPVolatilityMax winScore
Dragon's GoldDragon's Gold95.17%High volatility13,980×74
Sweet Candy CashSweet Candy Cash95.18%High volatility15,000×81
Fruit Strike: Extra 6Fruit Strike: Extra 695.19%High volatility2,500×56
Cops and Robbers MegawaysCops and Robbers Megaways95.19%High volatility—73
Wild CatcherWild Catcher95.19%High volatility—62
Diamond Charge ExtraDiamond Charge Extra95.2%Medium/High5,000×72
NexusNexus95.2%High volatility10,000×73
Hit the Bank: Hold and WinHit the Bank: Hold and Win95.21%High volatility20,000×81
Dead, Dead or DeaderDead, Dead or Deader95.22%High volatility19,349×75
Mental 2Mental 295.23%High volatility99,999×77
Rocket MenRocket Men95.24%Medium volatility798×75

Questions & Answers

Diamond Charge Extra FAQ

3 questions

Diamond Charge Extra has a maximum win of x5000. Its Medium/High profile places that ceiling alongside Hold and Win, Cash Collector, Multiplier, and Fixed Jackpot features.

The game uses 25 paylines across a 5x3 layout. Bets range from 0.1 to 50 according to the catalog record supplied for the game.

The central features are Hold and Win, Respins, Cash Collectors, Fixed Jackpots, a random reward, and a Bonus Bet that increases access to selected feature activity.

No player notes yet
Be the first to share your experience with this slot.