Highlights
- Up to 191,102,967 winning ways
- Quirky and unsual theme
- Fun Nitro Reels feature
Contents
Introduction
Usually, when an online slot developer creates a sequel for a popular game, there’s a couple of years between the original game and the follow-up. There was one year between Money Train and Money Train 2 and three between Reactoonz and Reactoonz 2.
So, it’s pretty unusual for ELK to have Nitropolis 2 scheduled for release just five months after the original. Nitropolis was a smash hit of a slot, though, which makes it understandable that ELK would want to give players more of the same kooky, dystopian action so soon.
Theme and Graphics
Nitropolis 2 picks up where the previous game left off, with animal gangs fighting for control over a dystopian wasteland. It seems that one gang lost out, as the Rogue Rats from the original Nitropolis slot have been replaced with Pest Control.
Still, the game has the same gritty feel to it with an edgy soundtrack and comic book-style graphics. As usual, it’s a great look and really gives players a fun experience that you won’t get from many other games.
Nitropolis 2 RTP and Variance
The RTP (return to player) of ELK's Nitropolis is 95%. It's a highly volatile game, rated 8/10 by ELK themselves.
How to Win
Nitropolis 2 begins with 4096 winning ways. To hit wins, players just need to land three or more matching symbols on adjacent reels. The four animal symbols pay out the most, followed by the gang posters while the poker ranks are the lowest-paying symbols.
Nitro Reels
Nitro Reels return in Nitropolis 2. These are symbol positions that contain a group of symbols rather than a single symbol. Between 4 and 12 symbol can be grouped together in a Nitro Reel, which expands your overall number of winning ways.
Whenever a win occurs, you’ll be granted a respin. All of the single symbols and Nitro Reels that formed the win will spin again to give you another chance to win.
Feature Reel
The Feature Reel is a new addition to Nitropolis 2. Above the main game is row of symbols that can display features that will apply to the reel below:
- All Match: all symbols in a Nitro Reel will match one symbol that is displayed on the reel to the left
- All Premium: all symbols in the Nitro Reel will only be high-paying symbols
- All Wild: all symbols in the Nitro Reel will be wilds
- Nitro Upgrade: more symbols are added to the Nitro Reel group
- Nitro Wild: Nitro Reel in the same column
- Pay Both Ways: winning combinations can be made from left-to-right as well as from right-to-left
- Respin: bonus symbols and Nitro Reels are locked in place and one respin is awarded
Free Spins
If you land 3 or more scatters, you’ll trigger the free spins bonus. The number of scatters that trigger the round will determine how many free spins you’ll earn:
- 3 scatters for 10 free spins
- 4 scatters for 15 free spins
- 5 scatters for 20 free spins
- 6 scatters for 25 free spins
In the free spins round, you can trigger all of the above features – but there is one main difference. Now, when Nitro Reels land, they will remain in place for the rest of the bonus.
Top Dystopian/Apocalyptic Slots
Top Dystopian/Apocalyptic Slots
The symbols inside of the Nitro Reels can change but the expanded number of winning ways will remain locked and continue to be built on for the rest of the bonus.
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| Slot Name: | Nitropolis 2 |
|---|---|
| Software: | ELK Studios |
| RTP: | 95% |
| Paylines: | 4096 |
| Reels: | 6 |
| Min Bet (all lines covered): | £0.20 (GBP) |
| Max Bet: | £5 (GBP) |
| Top Win: | 10000 |
| Features: | Wild Symbol, Scatter Symbol, Free Spins, Expanding Wilds, Respins, 6 Reels, Stacked Symbols, Expanding Reels, Reel Modifiers, Transforming Symbols, Scatter Pays |
| Themes: | Animals, Dystopian/Apocalyptic |
| Last Update: | 29/06/2026 |
Available in UK?
|
Yes. ELK Studios have a UKGC license and are allowed to offer their games at UK licensed casinos. |
Nitropolis 2 Slot FAQs
What is the RTP of Nitropolis 2?
Nitropolis 2 has a payout percentage of 95%.
What is the biggest win available on Nitropolis 2?
The top win you can land in Nitropolis 2 is 10,000x your stake.
How do Nitro Reels work?
Nitro Reels are special groups of symbols that occupy two symbol positions. They can contain between 4 and 12 symbols, ultimately increases the number of ways to win of the game.
What is the Feature Reel?
The Feature Reel is displayed above the game, and shows different perks that are applied to single reels. They can upgrade Nitro Reels, grant respins, transform symbols or add wilds to the game.
Is there a free spins bonus in Nitropolis?
Yes, landing three or more scatters will enter you into the free spins round. During this bonus, any Nitro Reels that land are held in place for the entire bonus.
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| Slot Name: | Nitropolis 2 |
|---|---|
| Software: | ELK Studios |
| RTP: | 95% |
| Paylines: | 4096 |
| Reels: | 6 |
| Min Bet (all lines covered): | £0.20 (GBP) |
| Max Bet: | £5 (GBP) |
| Top Win: | 10000 |
| Features: | Wild Symbol, Scatter Symbol, Free Spins, Expanding Wilds, Respins, 6 Reels, Stacked Symbols, Expanding Reels, Reel Modifiers, Transforming Symbols, Scatter Pays |
| Themes: | Animals, Dystopian/Apocalyptic |
| Last Update: | 29/06/2026 |
|
Available in UK?
|
Yes. ELK Studios have a UKGC license and are allowed to offer their games at UK licensed casinos. |
