Pug Thugs of Nitropolis
By ELK Studios
Pug Thugs of Nitropolis is the 4th of 5 new Nitropolis slots from ELK Studios in 2024. It follows Gritty Kitty, Dirty Dawgs and Rogue Rats, each following a different clan on the hunt of Nitro Fuel. This one uses a Connecting Paylines set up with wins triggered from all four sides of the 6x6 grid. Nitro Reels bring up stacks of symbols when they land and feature screens in each corner trigger wilds, expanding symbols up to 4x4 and coin collects. The free spins round comes with guaranteed Nitro Reels. Win up to 25,000x per spin, starting at 20p per play.
| Game Name | Pug Thugs of Nitropolis |
|---|---|
| Developer | ELK Studios |
| Theme(s) | Animals, Fantasy |
| Release Date | 07.05.24 |
| Rows | Up To 5 |
| Reels | 6 |
| Paylines | Connected Paylines |
| Volatility | High |
| RTP Rate | 94% |
| Max Win | 25,000x |
| Min Bet | £0.20 |
| Format | 6-Reel, Connected Paylines |
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Review Scorecard
What Our Reviewer Says …
Another exciting adventure with one of NItropolis' notorious clans. The gameplay is as distinctive and thrilling as ever with potential for some huge bonus round hits!
What We Like
- Classic Nitropolis design and gameplay
- High max pay out at 25,000x
- Guaranteed Nitro Reels on every free spin
- Coins re-spin after each collect for further prizes
- Nitro Reel stacks can be up to 8 symbols high
What We Didn't Like
- 94% is the highest available RTP
- Can be a grind with runs of 10 or more spins with no wins
Theme and Design
No Surprises Here - Another Variation on the Popular Nitropolis Design
By now you probably know the backstory for Nitropolis slots – a cartoon dystopian future where gangs of dogs and cats roam the city in search of Nitro fuel. The four gangs are at war and set to return for a final showdown in Nitropolis 5 later this year. This version sees us following the Pug Thug gang, joining them in their hide out in a building top, overlooking the city through the clouds behind a 6x6 grid. The frenetic soundtrack, with techno beats and siren sounds, helps set the scene and matches the action on the reels perfectly. In short, if you enjoy the atmosphere of other Nitropolis slots, then you’ll like this one too.

RTP and Variance
Pug Thugs runs at a fixed RTP of 94%. That is standard for ELK Studio slots now. All new releases from this provider are set to 94%. Whilst that is a little lower than you find in other online slots keep in mind that this is a fixed rate. Many providers now develop game with 2, 3, or even 4 RTP options for operators to run with. So, you can find you are playing your favourite NLC or Play n Go slots at less than 90% RTP at some slot sites. Pug Thugs will only ever run at 94%.
There is no let-up in the volatility in this game. It is high, as in all other Nitropolis slots, so expect a rough ride with an uneven win distribution.
Maximum Win
The max payout in Pug Thugs is 25,000x. Again, that is the same as you find in the other Nitropolis releases from 2024. It’s good potential. If that tickles your fancy you might also want to check out our list of the highest max win slots.
Symbols and Paytable
Pug Thugs has an interesting grid layout. There are 6 reels, displaying a 4-5-5-5-4 row configuration, with Feature Screens, randomly triggering features, in each of the 4 corners.

The game uses a Connecting Paylines pay model. That means winlines can start from any side of the grid, including top and bottom, and must include 3 or more identical symbols in adjacent positions.
The paytable contains EIGHT symbols. The 4 low value ones are the cards, Jack, Queen, King and Ace. These are valued at from 0.1x for 3 Jacks up to 0.7x for 6 Aces. The premiums are the gun, laptop, rocket boosters and pug, valued at from 0.3x for 3 guns up to 2x for 6 pugs.
There is also a Wild that substitutes for any pay symbol to complete a win line AND has the value of 0.75x, 1x, 1.5x or 2x for 3, 4, 5 or 6 on a line.
Features and Gameplay
There are some familiar features in Pug Thugs. This is how they work:
Nitro Reels
If you’ve played any other Nitropolis slot then you’ll be familiar with the Nitro Reels feature. When one of these lands it displays a stack of symbols within one position on the grid, creating more opportunities for win ways. You’ll see a number on the Nitro Reel that shows how many symbols appear in the stack.
Where you have intersecting win lines, a Nitro Reel will be created at the point of the intersection. And if one already exists in that position, then it will be upgraded to a stack of 8 high.
NOTE: In this version of Nitropolis, Nitro Reels can ONLY appear in the central 4x4 area of the grid.
Four Feature Screens
Watch the four feature screens – one in each corner of the grid – during the game. They will randomly display one of the four following features when the reels stop. And more than one can be displayed at any time.
Make Big – any symbol on the grid is expanded to a 2x2, 3x3 or 4x4 size.
Collect – This potentially powerful feature sees the value of all coins visible on the grid collected for a payout. The nice part is, after the collect, the coins spin to reveal either a coin again or a pay symbol. The process keeps repeating until no more coins are visible. Before the feature starts, more coins may be added to the grid in a Coin Rain.
Nitro Wild – one or more Nitro Reels on the grid become wild where all symbols in their stacks turn wild.
Nitro Match – any Nitro Reels on the grid are matched to a randomly selected symbol. This potentially creates more instances of one symbol and a higher chance of creating win lines.
Nitro Insane
This is a random feature that triggers at the start of a spin. A random number of Nitro Reels are added onto the grid.
Bonus Symbols And Free Spins
The free spins round here is triggered by landing 3 or more Bonus symbols. There is also a Super Bonus symbol. Where one of these is included, the Super Bonus round is triggered.
During Free Spins a Nitro Insane is triggered at the start of each spin so you are GUARANTEED to have Nitro Reels on each spin. And in the Super version, Nitro Reels are sticky for the whole round.
And finally, if you land more Bonus symbols during the round, you earn more free spins.
Final Verdict
Pug Thugs isn’t just another Nitropolis slot. The sounds and visuals might look very familiar, but ELK have done a great job of creating distinctive gameplay. The feature screens are super cool, adding extra jeopardy to every spin as you look for a feature that might turn a losing spin into a winner, or add value to your Nitro Reels. And as my test session showed, the free spins round has tons of potential if you lock in a good number of Nitro Reels. Beware the volatility, but overall Pugh Thugs keeps up the high standards we see in this series and is definitely worth a spin.
Testing Notes
I played 100 spins on Pug Thugs on ELK Studio’s test server prior to release to test the game. This is what happened.
- Stake Size: £1
- Start balance: £5,000
- End balance: £1,220.30
- Win Rate: 25% (25 winning spins in 100)
- Biggest Win: 134.4x
- Free Spins Round: 2
Pug Thugs was volatile, jumping from a run of 4 or 5 consecutive winning spins to a 10 on the bounce with nothing at all. But overall it came in with a good win rate of 25%, or 1 in 4 in spins. That’s about average for a slot game, though some high variance slots can come in at a much lower number. Wins in the base game were best when a Nitro Reel was involved, particularly when a Nitro Wild or Nitro Match from the Feature Screens came into play. The Coin Collect triggered twice, but only produced a 2x win at best which was disappointing because it looks like a good feature.

Unsurprisingly, the best moment came from the free spins round, a 134.4x win. This was thanks to a bank of SEVEN Nitro Reels all in play on the final spin, including a 6 stack and a 4 stack – shown in the screenshot. That brought up wins with stacks of Aces and premium gun symbols after the re-spin. It’s not hard to see how things could go epic in the Super Bonus with a similar situation, only STICKY Nitro Reels.
Overall, this was a lucky sessison with a £220.30 cash positive result. Don’t expect that every time, but there is plenty of potential in those stacks and the feature screens.
Who Made Pug Thugs of Nitropolis?
- Name: ELK Studios
- UK License: 40844
- Total Games: 60 +
- Known For: Amazing artwork, wide choice of themes and styles
- Popular Slots: Avalon Gold, Dropz, Nitropolis, Wild Toro











