Game Information
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Provider
Elk Studios
Type
Slots
Theme
Animal
Release Date
February 23, 2023
Reels
6
RTP
94
Volatility
4
Min Bet
0.2
Max Bet
50
Max Win per Spin
2500000
Nitropolis 4 Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | ELK Studios |
| Release Date | 2023-02-23 |
| Theme | Post‑apocalypse, Underwater dystopia, Animal gangs |
| Layout | 6 reels, 4–8 rows |
| Paylines | 4096 ways |
| Bet Range | 0.2–100 (currency varies) |
| Core Mechanics | Avalanche with expanding rows, Big Symbols (2×2 and 3×3), Nitro Reels, Nitro Multipliers, Nitro Boosters, Free Spins bonus, X‑iter feature |
| Technology | HTML5 |
| Platform | Mobile and desktop compatible |
Mathematical & Payout Model
Return to Player (RTP)
94%
Volatility
High
Hit Frequency
18.1%
Max Win Potential
50000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | J, Q, K, A | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Rouge Rats emblem, Pug Thugs emblem, Gritty Kitties emblem, Dirty Dawgs emblem | Thematic items offering moderate payouts. |
| High Tier | Rouge Rats leader, Pug Thugs leader, Gritty Kitties leader, Dirty Dawgs leader | Highest paying symbols. Top hits available with full combinations. |
| Wild | Naval mine wild | Acts as a substitute / feature trigger per game rules. |
| Scatter | Submarine scatter, Super scatter | Triggers free spins / bonus round when enough appear. |
Nitropolis 4 Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Free Spins bonus | 3–6 scatter symbols | 8–20 free spins | Sticky Nitro Reels and expanding rows with safety level | Super Free Spins with Max Rows and Both Ways if Super scatter present |
Frequently Asked Questions (FAQ)
| What is the RTP of Nitropolis 4? | The RTP is 94%. |
| What is the maximum win potential? | The maximum win is 50000x the bet. |
| How does the Avalanche feature work? | Winning symbols disappear and new ones fall, adding a row up to 8 rows. |
| What do Nitro Multipliers do? | They multiply all wins in view by values from 4x to 12x and multiply together if multiple land. |
| What are Nitro Boosters? | They are modifiers that add features like Both Ways, Max Rows, Nitro Wild, and others. |
| How many free spins can I get? | You can get 8, 12, 16 or 20 free spins depending on number of scatters. |
| What is the X‑iter feature? | It allows buying bonus options like Bonus Hunt, Nitro Booster, Super Spin, Bonus, or Super Bonus for a multiplier of the bet. |
Nitropolis 4 Performance Summary: Strengths vs. Weaknesses
Strengths
- Huge maximum win potential
- Innovative and varied features
- Dynamic expanding grid
- Engaging audiovisual theme
Weaknesses
- Lower RTP compared to series predecessors
Overview
Nitropolis 4 is a high‑volatility video slot by ELK Studios released in February 2023. It features a dynamic 6‑reel grid that expands from 4 to 8 rows via Avalanche mechanics, offering up to 4096 ways to win. The game includes Big Symbols, Nitro Reels, Nitro Multipliers, Nitro Boosters, a Free Spins bonus with sticky modifiers, and an X‑iter feature for bonus purchases. It offers a maximum win of 50000x the bet and an RTP of 94%.
Rachel Pine is our slots expert who has worked in the online gambling industry for 10+ years. Over the course of her career, Rachel has reviewed more than 30,000 slots.
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