Fastspin

City of Jewels

High-way-count jewel slot with repeated symbol transformations

SlotRanker Score

/ 99

05099

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

How this score is built

RTP

96.85%

return to player

Volatility

Medium volatility

variance

Max win

—

top multiplier

Min bet

$0.20

per spin

Reels

32400 lines

Player rating

4.6 ★

16 votes

DEMO Play free, no signup

Fastspin

Embed on your site

4.6 / 5

16 ratings

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

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

Payouts & RTP9/10

RTP 96.85% → 9.0/10

Volatility8/10

medium → 8.0/10

Win Potential—

no data

Features8/10

11 features → 8.0/10

Game Mechanics7/10

f=11 r=5 p=32400 → 7.0/10

Context signals (tie-breakers)

Layout5/10

5x5 → 5.0/10

Bet Flexibility8/10

0.2–500 (×2500) → 8.0/10

Provider Reputation6.7/10

provider avg 6.7 → 6.7/10

Popularity3.3/10

synthetic proxy → 3.3/10

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 — City of Jewels by Fastspin

https://slotranker.com/fastspin/city-of-jewels#score

How to cite

Slot Summary

The gap City of Jewels fills is specific: a Gems and Luxury presentation paired with 32400 ways, cascading wins, and symbol swaps. Fastspin gives the medium-volatility game several ways to reshape a result after the initial symbols settle. Stacks and Wild Multipliers add further changes, while Free Spins preserve those transformation mechanics for a separate feature phase.

How It Plays

Winning symbols disappear through the Avalanche and Cascading process, allowing replacements to enter before the result ends. One paid spin can therefore produce several consecutive evaluations.

Symbol Swap changes selected symbols into another type, while stacked groups can occupy several connected positions. These effects alter the available combinations before the next cascade is assessed.

Theme & Atmosphere

Gems define the symbol language, and the Luxury theme frames them as polished valuables rather than objects recovered from a mine. The presentation emphasizes display and abundance.

The jewel treatment also improves readability when stacks, swaps, and wilds alter the grid. Each transformation remains tied to the same Gems and Luxury identity.

Gems Luxury

Features & Win Potential

Wild Multipliers combine substitution with a value increase, while ordinary Wild Symbols complete eligible combinations without changing the award factor.

Stacked symbols can cover several positions, and Symbol Swap can convert one symbol type into another. Either change may create a new combination before cascading symbols arrive.

Free Spins Scatter Symbol Wild Symbol Cascading Wild Multipliers Multiway (+1024)Symbol Swap Additional Free Spins Avalanche Free Spins Multiplier Stack

Bonus & Free Spins

Free Spins continue the Avalanche and Cascading behavior while introducing a Free Spins Multiplier. Consecutive results can therefore affect both the grid and later award values.

Additional Free Spins can extend the feature when the qualifying condition occurs. Wild Multipliers and Symbol Swap remain relevant during the expanded sequence.

Spec sheet

City of Jewels at a glance.

Identity

Slot nameCity of Jewels

StudioFastspin

Released6/26/2023

Math

SlotRanker Score72

RTP96.85%

VolatilityMedium volatility

Max win—

Bet range$0.20 – $500.00

Player rating4.6 / 5 · 16 votes

Format

Reels5

Paylines32400

Layout5x5

Features

Themes

Expected average based on this slot's 96.85% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$2.52

Cost per session$2.52

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

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

Bankroll ($)Bet per spin ($)Speed

Volatility tier: Medium

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). The model is calibrated so the average return equals this slot's published RTP (96.85%), with wins capped at its top multiplier (1,000×).

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 City of Jewels

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 City of Jewels with other games

	City of Jewels Score 72This game	Max Megaways Score 89	NetBet Branded Megaways Score 88	Bling Bling Penguin Score 87	Double Diamond Night Score 85
Identity
Studio	Fastspin	Big Time Gaming	Iron Dog Studio	Ino Games	Popiplay
Released	6/26/2023	9/21/2022	1/26/2022	6/5/2023	11/6/2023
Math
RTP	96.85%	96.37%	96.2%	96.5%	96.11%
Volatility	Medium volatility	High volatility	High volatility	High volatility	High volatility
Max win	—	139,200×	40,000×	13,500×	10,200×
Format
Reels	5	6	6	5	7
Layout	5x5	6x7	6x7	5x3	7x8
Paylines	32400	117649	117649	243	Pay Anywhere
Min bet	0.2	0.2	0.2	0.2	0.2
Max bet	500	3	20	20	25
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	—	✓	—
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	—	✓	✓
Multiplier	—	✓	✓	—	—
Bonus game	—	—	—	✓	—
Respins	—	—	—	✓	—

Every number is shown as a delta against City of Jewels.

Comparing against

City of Jewels

Fastspin

RTP

96.85%

Max win

—

Score

NetBet Branded Megaways

+ Multiplier− Wild− Scatter

+ Bonus Game+ Respins

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