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On the 3rd of November 2020 Elk Studios laid this treat at our feet. Nitropolis 3d slots has a slightly larger than normal game board with 6 Reels and 4 Rows. This Animal Underworld Theme provides us with a stagger 4096 Paylines for us to hunt down!

With all the amazing visuals and opportunities Nitropolis’ slot has to offer, we also get a Medium to High Volatility with an impressive RTP of 96.1%.

Compared to other slots Nitropolis comes out of the gates frothing at the mouth with opportunity accessible for all, with min bets of £0.20 ranging up to a max bet of £100!

What is truly wild about this slot is that it has a max payout of a whopping 10,000 time our original stake! That’s the potential to win up to £1,000,000 in a single spin! Sign up now to check out slots games 2021.

Quick Links: Mad Mad Monkey | Starburst | Fluffy Favourites | Slingo | Cops and Robbers | Immortal Romance | Thunderstruck

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Nitropolis Theme and Graphics

Like all of Elk Studios productions, Nitropolis has been thoroughly crafted. Their work is second to none next to any other slot game producer. This is no different, the character symbols manage to capture the cuteness of the animals that we know and love whilst also maintaining the influence of a dirty underbelly, unrubbed in years and turned to crime.

The music that accompanies our gameplay fully embodies the cityscape before us. With electronic music pumping, using sounds that remind us of metal bins clashing. Either that or long nights in nightclubs!

If you like the sound of Nitropolis then you’ll love these too!

  • Mad Mad Monkey
  • Shaman's Dream
  • Vikings Go Wild
  • Big Bad Wolf
  • Forty Thieves
  • Cop and Robbers

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How to Play Nitropolis Slot

To start playing Nitropolis, first we must get signed up, confirm our email addresses, then make our first deposit of £10 or more to get our paws on the juicy 500 free spins on offer!

Once we are all set up to play, we simply have to decide on how much we are willing to risk per spin. Now it’s time to chase those rewards!

Unlike most online slots, we don’t have to chase after the bonus rounds as much as usual. Compared to most other slots Nitropolis has intergrated plenty of bonus features into the base game, though it does get extremely exciting when we manage to get to the bonus rounds!

If you prefer to use the auto-spin feature, then like the rest of ELK Studios slot games, there is a great feature that allows us to apply betting strategies to our game!

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Slot Game Statistics

Aside from the medium to high volatility, Nitropolis has great stats. Even with the higher than average volatility, this slot is still worth getting into as there is plenty of chance to take advantage of the bonus features and the strong RTP.

There is a little bit of a grind to getting to the wins, but with the betting strategy feature we can attempt to improve our odds of coming away with some great winnings.



Min Bet Per Spin


Max Bet Per Spin


Return To Player (RTP)



Medium to High


Animal Underworld

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Nitropolis Free Spins & Bonus Features

There is so much to cover when it comes to the bonus features in Nitropolis, so we will try to keep it short and sweet.

Free Spins

Free spins are triggered by landing 3 or more bonus engine symbols.

  • 3 bonus symbols get us 10 free spins
  • 4 bonus symbols get us 15 free spins
  • 5 bonus symbols get us 20 free spins
  • 6 bonus symbols get us 25 free spins


After every win, the winning symbols will respin potentially offering another payout

Nitro Reel Upgrade

This bonus multiplies the number of symbols in symbol space and can randomly upgrade to higher numbers.

Second Chance Respins

Randomly respins losing spins.

Locked Nitro Reels

Locks the nitro reel in place in the bonus game

Scatter Pay

A symbol is randomly chosen as the scatter in bonus rounds

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Verdict on this Slot

As always ELK Studios have pulled another top tier game out of the bag. Full to the brim of bonus features for us to enjoy, accompanied with great visuals and audio too! Nitropolis is a perfect choice for any slot player earning it a 9/10. For more great slots, spin the reels of the Monsters of Rock Megaways slot.