NoLimit City

Folsom Prison

RARE Slots Video Slots Underworld Mafia Detective Prison Cops and robbers

Punitive prison slot with an unlockable reel field

Only 0.2% of slots feature Split Symbols.

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

94.01%

return to player

Volatility

High volatility

variance

Max win

75,000×

top multiplier

Min bet

$0.20

per spin

Reels

16 lines

Player rating

4.8 ★

2 votes

DEMO Play free, no signup

NoLimit City

Embed on your site

4.8 / 5

2 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 & RTP6/10

RTP 94.01% → 6.0/10

Volatility9/10

high → 9.0/10

Win Potential9.8/10

x75000.00 (75000×) → 9.8/10

Features10/10

21 features → 10.0/10

Game Mechanics5.3/10

f=21 r=5 p=16 → 5.3/10

Context signals (tie-breakers)

Layout5/10

5x4 → 5.0/10

Bet Flexibility2/10

0.2–1 (×5) → 2.0/10

Provider Reputation7.3/10

provider avg 7.3 → 7.3/10

Popularity9/10

search demand p97 + proxy blend (70/30) → 9.0/10

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: 75 — Folsom Prison by NoLimit City

https://slotranker.com/nolimit-city/folsom-prison#score

How to cite

Slot Summary

The gap Folsom Prison fills is unusually specific: a Prison slot where the reel area itself begins confined and must be opened. Nolimit City connects that spatial restriction to Expanding Reels, Splitting Symbols, Symbol Swap, and Walking Wilds, making the institution more than scene dressing. The catalog's 94.01% RTP setting and high volatility support a severe math profile, while the 75,000x ceiling explains why the feature structure tolerates long stretches of resistance.

How It Plays

The starting reel area restricts both visible positions and win routes. Cockroach Nests move through open spaces and unlock cells, allowing the field to widen as events connect.

Two Scatters do not start Free Spins. Instead, they convert into one of several outcomes that can introduce Wilds, a Cockroach Nest, extra ways, or a splitting effect.

Theme & Atmosphere

Folsom Prison treats confinement as both its Prison setting and its organizing play idea. Closed cells limit the field until the game's modifiers force sections open.

Cops and robbers, Detective, Mafia, Prison, and Underworld references create a harsher crime setting than a conventional heist slot, with survival inside the institution taking priority.

Underworld Mafia Detective Prison Cops and robbers

Features & Win Potential

Expanding Reels enlarge the playable area, while Splitting Symbols duplicate affected symbols and increase the possible routes through a result. Symbol Swap adds another source of change.

Walking Wilds and Sticky Wilds extend Wild influence across consecutive events. Increasing Multipliers and Random multiplier awards then raise the value of qualifying outcomes.

Bonus & Free Spins

Landing three Scatters starts at least 8 Free Spins in the lower mode, while four Scatters open the stronger mode with at least 8 spins.

The Bonus Buy provides direct entry to several bonus configurations. Additional Free Spins can be awarded when a Scatter involved in the trigger is affected by a splitting effect.

Spec sheet

Folsom Prison at a glance.

Identity

Slot nameFolsom Prison

StudioNoLimit City

Released6/14/2022

Math

SlotRanker Score75

RTP94.01%

VolatilityHigh volatility

Max win75,000×

Bet range$0.20 – $1.00

Player rating4.8 / 5 · 2 votes

Format

Reels5

Paylines16

Layout5x4

This game is searched most in United States.

Expected average based on this slot's 94.01% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$4.79

Cost per session$4.79

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 Folsom Prison? 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: 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 (High). The model is calibrated so the average return equals this slot's published RTP (94.01%), with wins capped at its top multiplier (75,000×).

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 Folsom Prison

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Compare Folsom Prison with other games

	Folsom Prison Score 75This game	Dead Rider's Trail Score 88	24K Gold JailBreak Score 82	Rooster Mobs Score 80	Mafia Clash Score 79
Identity
Studio	NoLimit City	Relax Gaming	Hot Rise Games	StakeLogic	Bullshark Games
Released	6/14/2022	8/24/2022	8/25/2024	10/31/2023	11/22/2023
Math
RTP	94.01%	96.2%	96.1%	96%	96.35%
Volatility	High volatility	High volatility	High volatility	High volatility	High volatility
Max win	75,000×	50,000×	10,000×	10,000×	10,000×
Format
Reels	5	6	6	5	5
Layout	5x4	6x6	6x4	5x3	5x3
Paylines	16	46656	23328	576	20
Min bet	0.2	0.2	0.3	0.2	0.1
Max bet	1	20	21	100	100
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	✓	✓	✓	✓	✓
Bonus game	—	✓	—	✓	—
Respins	—	—	—	✓	—

Every number is shown as a delta against Folsom Prison.

Comparing against

Folsom Prison

NoLimit City

RTP

94.01%

Max win

75,000×

Score

+ Bonus Game+ Respins

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01What is the RTP of Folsom Prison?

The catalog records a 94.01% RTP setting for Folsom Prison. The official game sheet confirms that 94.01% is one of its available RTP configurations.

02How does the reel area change during play?

Folsom Prison starts with a restricted reel area. Cockroach Nests open locked cells, while Expanding Reels and Splitting Symbols increase the available ways to win.

03How are the two Free Spins modes triggered?

Three Scatters trigger at least 8 Walk The Line spins. Four Scatters trigger at least 8 The Chair spins, with affected Scatters adding further spins.

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