Nitropolis 3 Slot

Nitropolis 3 Slot

Technical Table Information

RTP (return to player):95.00%
Casino Gaming Developer:ELK Studios
Release Date:21.03.2022
Maximum Multiplier:50,000x
Winning Lines:+4,096
Min bet: 0.20
Max bet: 50
Provably Fair:No
Jackpot: No
Technology used:HTML5
Theme slot: Dystopia
Best Bitcoin casino to play with Bonus:Up to 180% Bonus on your 1st deposit + Daily Free Spin

Description of the Slot 

Those keeping a tab on ELK Studios’ dystopian Nitropolis series must know where the show is headed. The series loosely follows four animal clans engaged in a gruesome war to fuel their vehicles with Nitro, the ultimate prize. As things stand, Sergeant Nitro Wolf has expelled these bands of brigands outside the city gates. Nitropolis 3 continues the story on a beachside where palm trees and toxic waste exist side by side. 

Nitropolis 3 has a fully mechanized grid made up of 6 reels. Initially, the number of rows is limited to 4 and churns out 4,096 ways to win. But both the reel size and paylines can expand, helping you trigger some big wins, including the max prize of 50,000x the stake. Meanwhile, bets are kept within a feasible limit and range between 0.20 and 50 coins per spin. With some big numbers showing up in specifications, the slot takes an underwhelming tone with the below-average RTP of 95%. But don’t worry! ELK Studios has action-packed features to compensate for its weak links. 

Design and Audio

As Sergeant Nitro Wolf’s interference led to animal clans getting banished from Nitropolis, they are seeking refuge on a beach not far from the city. While a beachside setting might not fit in one’s imagination when they think of a dystopian setting, not everything is sunny and pure in Nitropolis 3. The sandy beach has deck chairs and palm trees to create an embalming effect, yet large barrels of toxic waste on the shore nullify the slot’s refreshing vibe. 

The techno background score is again groovy, pacy, and to an extent, somewhat noisy. Animal clans also get a bit of recognition as their vocals are timed with the music at regular intervals.


Even chilling out on the beach is not without tumult in Nitropolis 3. The third installment of the series is packed with exciting features and special symbols that might help you rake in big wins. 


When winning symbols hit the reels, they are removed from the grid, and new symbols take their positions. Along with new symbols, an extra row is added during the avalanche. If another line win occurs from the new formation, the feature gets repeated, and an additional row joins the grid. You can increase the reel size up to a maximum of 8 rows

Nitro Reels 

The familiar Nitro Reels feature also makes its way into Nitropolis 3. Small Nitro Reels blanket 2 symbol positions and provide 4 to 12 symbols. Big Nitro Reels expand to 6 symbol positions and add 2 to 6 symbols of 2×2 size. As evident from the feature, Nitro Reels impact the paylines and can rise to 1 million winning ways at its best. 

Special Symbols 

The slot has a few special symbols carrying specific modifiers. They can trigger randomly on any spin and add the following value to your bets: 

  • Redrop: bonus and nitro symbols stick for the redrop while Nitro Reels respin
  • Both Ways: payouts are disbursed from both left to right and right to left 
  • Nitro Match: if Nitro Reels occur on the same or adjacent reel to the Nitro Match, they showcase a symbol matching on an adjacent reel. 
  • Nitro Upgrade: if Nitro Reels land next to Nitro Upgrade, they upgrade to incorporate more symbols
  • Nitro Wild: all symbols on Nitro Reels with Nitro Wild symbol on the same or adjacent reel are upgraded to wilds

Bonus Game 

Landing 3, 4, 5, or 6 scatter symbols in a spin triggers the bonus game with 8, 12, 16, or 20 free spins, respectively. All Nitro Reels remain sticky during the bonus feature. So, if new Nitro Reels appear, they stack upon the previous ones. Also, a Safety Level gets active during free spins. This feature ensures the row size or winning ways do not drop below the current level and can only increase with avalanches. 

Moreover, triggering the bonus round with at least one Super Bonus symbol activates the Super Game version. Here, the grid size expands to 8 rows, and Both Ways mechanics also apply to all wins. Both the regular and Super Bonus versions can be retriggered with scatter symbols.


ELK Studios’ proprietary X-iter features allow you to purchase these game modes: 

  • Boosted Bonus Chance: a spin that doubles the chance of triggering free spins at the cost of 2x the stake
  • Big Nitro Reel: a spin with a guaranteed Big Nitro Reel. Requires 10x the bet 
  • Nitro Match: one spin with guaranteed Nitro Match and both ways active for 25x the stake
  • Bonus Free Spins: pay 100x the stake to enter the free spins feature 
  • Super Free Spins: charges 500x the bet to trigger the Super Free Spins bonus round 


J to A symbols belong to the low pay category offering up to 0.3x the stake. Mid-pay symbols comprise four clan emblems and pay 0.8x to 1x the stake for six matching ones. Meanwhile, the four animals represent high-paying symbols with payout values of 2x to 5x the bet for landing six identical ones. 


Nitropolis 3 is the third installment in ELK Studios’ Nitropolis series. The slot focuses on a dystopian world where animal clans fiercely compete against one another to rule over Nitropolis. 


Nitropolis 3 is a highly volatile slot, which implies frequent winless runs before a major win shows up. 

About the Game Provider 

Since 2013, ELK Studios has been releasing exciting online slots and distributing them across hundreds of licensed operators and partners worldwide, including top-tier crypto casinos. The game provider itself is licensed by Malta Gaming Authority and the UK Gambling Commission. With great concepts, terrific visuals, and a strong math model, almost every ELK slot makes a mark in online casinos. 

Final Considerations 

Nitropolis 3’s beachy visuals might call for quiet gameplay. But once you trigger the features, the slot rejuvenates with its industrious buzz. It has several special features and symbols to keep you engaged throughout the gaming session. And if it’s your lucky day, you might bag a few huge wins. The only segment where Nitropolis 3 fails to deliver is in its below-average RTP. Besides that, the slot stays true to the legacy of Nitropolis.

Other Slots by ELK Studios

  • Cygnus 2 
  • Propaganda
  • Buffalo Toro


Our Nitropolis 3 review analyzes the slot’s payout potential, volatility, bonus features, visuals, etc. Still, if you have questions regarding the slot, let us know via the comment box below. We’ll be happy to assist you!


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