The symbols in Nitropolis 3 do much more than determine payouts. From expanding Nitro Reels and oversized symbols to colourful animal gangs and feature icons, nearly every symbol contributes to the game's dynamic gameplay.
Unlike many traditional online slots, Nitropolis 3 combines multiple symbol types with expanding reels, Avalanche Wins and special modifiers. Understanding what each symbol does makes it easier to follow the action as the reels change throughout every spin.
Available through Slingo, Nitropolis 3 is a game of chance where all outcomes are determined randomly.
Nitropolis 3 Symbols at a Glance
|
Symbol Type |
Purpose |
|
Low-Value Symbols |
Regular winning combinations |
|
Gang Logos |
Medium-value symbols |
|
Animal Gang Characters |
Highest-paying regular symbols |
|
Wild |
Substitutes for most symbols |
|
Nitro Reels |
Contain multiple identical symbols |
|
Big Symbols |
Larger versions of standard symbols |
|
Bonus Scatter |
Triggers Free Spins |
|
Feature Symbols |
Activate special Nitro effects |
Low-Value Symbols
The lowest-paying symbols are the familiar playing card icons:
- J
- Q
- K
- A
Although these symbols offer the smallest payouts, they appear frequently and often help create Avalanche chains thanks to the expanding reel mechanics.
Like many modern slots, these symbols form the foundation of the paytable while allowing premium symbols to remain more valuable.
Gang Logo Symbols
Above the card symbols are four gang logos representing the rival animal factions found throughout Nitropolis.
These logos act as medium-value symbols and include:
- Rogue Rats
- Pug Thugs
- Gritty Kitty
- Dirty Dawgs
Each logo reflects one of the game's colourful factions while bridging the gap between the lower-value card symbols and the premium character symbols.
Animal Gang Characters
The highest-paying regular symbols are the four gang leaders themselves.
These include:
- Rogue Rat
- Pug Thug
- Gritty Kitty
- Dirty Dawg
Each character is illustrated in ELK Studios' comic-inspired art style, fitting perfectly with the game's post-apocalyptic beach setting.
Landing matching premium symbols across consecutive reels produces the largest regular payouts available outside of special features.
Wild Symbol
The Wild is one of the most important symbols in Nitropolis 3.
Its primary role is to substitute for most regular paying symbols, helping complete qualifying combinations.
Wilds can:
- Replace standard pay symbols
- Help create additional Avalanche Wins
- Appear in different sizes
- Work together with Nitro Reels
Wilds do not substitute for Bonus Scatters or the various Nitro Feature symbols.
Nitro Reels Explained
Nitro Reels are the signature feature of the Nitropolis series.
Rather than displaying a single symbol, each Nitro Reel contains numerous identical symbols inside one framed section.
Two versions can appear.
|
Nitro Reel |
Description |
|
Small Nitro Reel |
Covers two symbol positions and contains multiple identical 1×1 symbols |
|
Big Nitro Reel |
Covers six symbol positions and contains multiple 2×2 symbols |
These reels dramatically increase the number of available symbol combinations and can expand the total Ways to Win.
Nitro Reels also interact with several special modifiers that can change their contents during gameplay.
Big Symbols
Many standard symbols can appear as oversized versions.
Instead of occupying a single position, symbols may arrive as:
- 2×2
- 3×3
- 4×4
Although visually larger, these symbols count as multiple standard-sized symbols when calculating winning combinations.
This allows large symbols to contribute to several Ways to Win simultaneously while also working alongside Nitro Reels and Avalanche mechanics.
Bonus Scatter Symbol
The Bonus Scatter is represented by a zeppelin.
Landing enough Bonus Scatters awards entry into the Free Spins feature.
Depending on how many appear, players can receive varying numbers of free spins, while certain special versions of the scatter can trigger the enhanced Super Bonus mode.
Nitro Feature Symbols
Several special symbols activate unique effects that modify Nitro Reels.
Nitro Match
Nitro Match changes symbols inside nearby Nitro Reels so they better match adjacent reels, helping create additional qualifying combinations.
Nitro Upgrade
Nitro Upgrade increases the number of symbols contained inside affected Nitro Reels.
The upgraded reels can contribute to even more Ways to Win.
Nitro Wild
Nitro Wild transforms symbols inside nearby Nitro Reels into Wild symbols.
This creates additional opportunities for qualifying combinations during the current Avalanche sequence.
Both Ways Symbol
The Both Ways symbol temporarily changes how winning combinations are evaluated.
Instead of counting only from left to right, qualifying combinations can also be formed from right to left while the feature remains active.
This effectively increases the number of possible winning combinations during the affected sequence.
Redrop Symbol
The Redrop symbol introduces another gameplay modifier.
When activated under the appropriate conditions, it refreshes much of the grid while preserving important feature symbols and Nitro Reels.
This allows additional opportunities for new symbol combinations without completely restarting the spin sequence.
How the Symbols Work Together
Nitropolis 3 is designed so that multiple symbol types interact during a single spin.
For example:
- Big Symbols may land beside Nitro Reels.
- Wilds can complete combinations created by expanded reels.
- Nitro Upgrade can improve existing Nitro Reels.
- Nitro Wild can convert nearby Nitro Reel symbols into Wilds.
- Avalanche Wins remove successful combinations before introducing new symbols.
Rather than functioning independently, these mechanics combine to create an evolving reel layout that changes as each spin progresses.
Why the Symbol Design Stands Out
The symbols in Nitropolis 3 are closely tied to its comic-inspired presentation.
Instead of relying solely on traditional gems or themed objects, the game features:
- Distinctive animal gang leaders
- Colourful gang emblems
- Oversized comic-style symbols
- Animated Nitro Reels
- Bright feature icons
This visual approach makes it easy to recognise important symbols while reinforcing the game's energetic style.
Conclusion
Nitropolis 3 features a varied symbol collection that goes far beyond a traditional slot paytable. Animal gang leaders provide the premium payouts, gang logos and card symbols fill the standard paytable, while Wilds, Big Symbols and Nitro Reels create constantly changing winning opportunities.
Combined with special feature symbols such as Nitro Match, Nitro Upgrade, Nitro Wild, Both Ways and Redrop, the game's symbol system keeps every spin visually engaging and mechanically varied. As with all games of chance, each outcome is random, making every spin independent of the last.
Frequently Asked Questions
What are Nitro Reels in Nitropolis 3?
Nitro Reels are special framed reels containing multiple identical symbols. They can increase the number of available Ways to Win and interact with several bonus features.
What do Wild symbols do?
Wild symbols substitute for most regular paying symbols to help complete qualifying winning combinations.
What are Big Symbols?
Big Symbols are oversized versions of standard symbols that can appear in 2×2, 3×3 or 4×4 sizes and count as multiple standard symbols.
Which symbols pay the most?
The four animal gang characters are the highest-paying regular symbols in Nitropolis 3.
What does the Both Ways symbol do?
The Both Ways symbol allows qualifying combinations to be counted from both left to right and right to left while the feature is active.
What is the Bonus Scatter?
The Bonus Scatter is represented by a zeppelin and triggers the Free Spins feature when enough appear on the reels.









