ELK Studios

Nitropolis

Slots Video Slots Futuristic Animals Mafia Detective Apocalypse

Post-apocalyptic series entry driven by oversized Nitro Reels

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

96.1%

return to player

Volatility

High volatility

variance

Max win

10,000×

top multiplier

Min bet

$0.20

per spin

Reels

85155840 lines

Player rating

4.7 ★

14 votes

DEMO Play free, no signup

ELK Studios

Embed on your site

4.7 / 5

14 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 96.1% → 9.0/10

Volatility9/10

high → 9.0/10

Win Potential8/10

x10000.00 (10000×) → 8.0/10

Features8.5/10

13 features → 8.5/10

Game Mechanics6.1/10

f=13 r=6 p=n/a → 6.1/10

Context signals (tie-breakers)

Layout5/10

6x4 → 5.0/10

Bet Flexibility6/10

0.2–100 (×500) → 6.0/10

Provider Reputation7.1/10

provider avg 7.1 → 7.1/10

Popularity5/10

synthetic proxy → 5.0/10

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 — Nitropolis by ELK Studios

https://slotranker.com/elk-studios/nitropolis#score

How to cite

Slot Summary

Only players comfortable with high volatility should approach Nitropolis for its 85155840-way ceiling rather than steady base-spin returns. ELK Studios makes the Nitro Reel the game's central disruptor: it covers two positions, represents several identical symbols, and can upgrade or respin after a miss. Winning symbols also respin individually, giving this first named Nitropolis entry a stop-start rhythm beneath its post-apocalyptic clan conflict.

How It Plays

Nitro Reels occupy two positions and can represent from four to twelve identical symbols. An upgrade increases that represented quantity, adding more possible combinations to the 85155840-way format.

Winning symbols respin separately after they pay, and the sequence repeats until a respin fails to create another win. Nitro Reels may also receive their own respin after a non-winning result.

Theme & Atmosphere

Apocalypse and Futuristic themes define Nitropolis as a ruined city fought over by four animal clans seeking the green fuel that powers their vehicles.

Animals and Mafia cues merge in the Dirty Dawgs, Gritty Kitties, Pug Thugs, and Rogue Rats. Their rivalry gives the large mechanical format a clear territorial conflict.

Futuristic Animals Mafia Detective Apocalypse

Features & Win Potential

Expanding Reels increase symbol coverage and available combinations, while Respins isolate winning symbols for another result instead of replacing the entire reel display.

Scatter Pays alter how a selected symbol awards during Free Spins. Wild Symbols and substitute symbols support those combinations without replacing the expanding-reel focus.

High volatility Free Spins 6 Reels Scatter Symbol Wild Symbol Medium/High Respins Expanding Reels Scatter Pays Sub Symbols In Feature RTP range 96% RTP Betting Strategies

Bonus & Free Spins

Three or more Scatter Symbols trigger Free Spins, with the total award reaching up to 25 spins according to ELK Studios.

During Free Spins, one symbol is selected for Scatter Pays. The bonus can retrigger and add another Scatter Pays symbol to the remaining spins.

Spec sheet

Nitropolis at a glance.

Identity

Slot nameNitropolis

StudioELK Studios

Released11/3/2020

Math

SlotRanker Score75

RTP96.1%

VolatilityHigh volatility

Max win10,000×

Bet range$0.20 – $100.00

Player rating4.7 / 5 · 14 votes

Format

Reels6

Paylines85155840

Layout6x4

Features

Themes

Expected average based on this slot's 96.1% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$3.12

Cost per session$3.12

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 Nitropolis? 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 (96.10%), with wins capped at its top multiplier (10,000×).

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 Nitropolis

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Compare Nitropolis with other games

	Nitropolis Score 75This game	Slayers Inc Score 84	Unusual Suspects Cartel Cash Score 82	Gangsterz Score 86	Rooster Mobs Score 80
Identity
Studio	ELK Studios	Hacksaw Gaming	Northern Lights Gaming	BGaming	StakeLogic
Released	11/3/2020	5/13/2024	10/14/2024	11/24/2022	10/31/2023
Math
RTP	96.1%	96.28%	96.09%	96.25%	96%
Volatility	High volatility	High volatility	Medium volatility	High volatility	High volatility
Max win	10,000×	15,000×	12,000×	12,000×	10,000×
Format
Reels	6	5	5	7	5
Layout	6x4	5x4	5x3	7x7	5x3
Paylines	85155840	14	10	Cluster Pays	576
Min bet	0.2	0.1	0.2	0.1	0.2
Max bet	100	100	20	100	100
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	—	—	✓
Scatter symbol	✓	✓	—	—	✓
Multiplier	—	✓	✓	✓	✓
Bonus game	—	—	✓	—	✓
Respins	✓	—	✓	—	✓

Every number is shown as a delta against Nitropolis.

Comparing against

Nitropolis

ELK Studios

RTP

96.1%

Max win

10,000×

Score

+ Multiplier− Respins

Unusual Suspects Cartel Cash

Northern Lights Gaming

+ Multiplier+ Bonus Game− Free Spins− Scatter

+ Multiplier− Free Spins− Scatter− Respins

+ Multiplier+ Bonus Game

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01What is a Nitro Reel?

A Nitro Reel covers two symbol positions and represents several identical symbols, increasing the number of possible ways to win.

02How do Winning Respins work?

Symbols involved in a win respin individually. The sequence continues while those respins keep producing another winning result.

03What is the RTP of Nitropolis?

Nitropolis has a 96.1% RTP, high volatility, and a maximum win of x10000 in the catalog record.

04What changes during Free Spins?

A selected symbol gains Scatter Pays, while Nitro Reels remain fixed for the rest of the awarded Free Spins.

Series

Nitropolis

View all 6 games

Game	Year	RTP	Volatility	Slot Score
NitropolisCurrentELK Studios	2020	96.1%	High volatility	75
Nitropolis 2ELK Studios	2021	95%	Medium volatility	70
Nitropolis 3ELK Studios	2022	95%	High volatility	83
Nitropolis 4ELK Studios	2023	94%	High volatility	76
Nitropolis 5ELK Studios	2024	94%	High volatility	77
Nitropolis TVLatestELK Studios	2025	94%	High volatility	72