Nitropolis slot review (Elk Studios)

In the post-apocalyptic era, the world is run by four new groups of creatures, or clans. We have the so-called Dirty Dawgs, the Gritty Kitties, the Pug Thugs, and the Rouge Rats. Welcome to the new world called Nitropolis!

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Nitropolis slot (Elk Studios) – The world ceases to exist… So what happens next?

The four clans aim to get their hands (or pawns) on the precious green Nitro liquid that fuels their cars. One clan survives and will rule Nitropolis. Which family will you join?

You can say whatever you want to say about Elk Studios, but the theme is extraordinary and one to remember. And the gameplay? Also!

Nitropolis: if everything goes well, you can bag the top 10,000x win!

It looks like Elk Studios has set itself a new default max win.

The last two slots they just released (Grand Galore and Visitors) also have the max win of 10.000x, whereas all other Elk slots have a max win of 5000x or less.


Number of paylines: 6 reels with at least 4 rows, 4096 to over 85 million ways to win (win all ways)

RTP and variance: 96,1%, Medium to High variance

Maximum win: 10,000 x the total bet, or $€1.0 million

Betting range: $€0.20 – $€100

Bonus features: Free spins, Nitro Reels

Casino Hipster verdict: HOT! Original, overwhelming, innovative and above all, great fun.

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First deposit bonus is 400% up to €3,000. You must make a minimum qualifying deposit of €25 to claim the NonStop welcome bonus. And once the bonus is added, you must fulfil a 45x wagering requirement within 15 days to keep winnings made from it. Apart from the welcome bonus, NonStop has other offers for existing players. Let’s take a look at some of them.

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For your second deposit, you can claim up to 50% of your deposit, up to €500 and 100 free spins.

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The minimum deposit for the welcome offer is $50, which is a bit higher than most other online casinos I gotta admit. However, if you don’t mind the steep deposit, you can get a pretty decent starting bonus to try out what this casino has to offer.

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JackBit Casino does not offer a welcome bonus. Instead, you can benefit from 3+1 freebet offer. Minimum bet is $10 along with 1.3 odd for position.

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The welcome bonus can be used on slots and from the following providers: EGT, Play’n GO, Amatic, and NetEnt. Make sure to wager it 45x to be eligible to withdraw your winnings. The bonus will expire in 45 days.

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The bonus has a 45x wagering requirement and a minimum and maximum bet of €0.50 and €5. In addition, the bonus is only eligible for games from EGT, Amatic, and NetEnt, and it can’t be used with other promotions. Keep in mind that the 45x wagering requirement can be challenging for newbies.

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Deposit: Does not require a minimum deposit Bonus Match Percentage: 110%, 50%, 75%. Maximum Bonus Value: 1 BTC (and Cryptocurrency equivalent) or 100 EUR (and FIAT equivalent) No Deposit Free Spins: 50 Free Spins Free Spins: 300 Free Spins Free Spins Slot Game: Princess of Sky, Brave Vikings, Book of Pyramids, Cherry Fiesta, Desert Treasure, Lucky Lady Clover, West Town, Lucky Blue, Princess Royal, Hawaii Cocktails Bonus Wagering: 35 x Bonus Free Spins Wagering: 40 x Free Spins Remarks: 250 Free Spins offered as part of the 1st Deposit Bonus will be rewarded in a set of 50 spins for 5 days. Minimum deposit required for the spins is 0.05 BTC (and Cryptocurrency equivalent) or 50 EUR (and FIAT equivalent). Full T&C Apply. 18+

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Select the Welcome Casino Bonus option from the menu drop-down and deposit at least €25 to qualify for this offer.

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Bonus Code: MAX300 Deposit: Minimum required deposit is $20 Bonus Match Percentage: 300% Maximum Bonus Value: $3000 Free Spins: 200 Free Spins over 10 days Free Spins Slot Game: N/A Bonus Wagering: 40 x Bonus + Deposit Free Spins Wagering: 35 x Free Spins Remarks: Slots, Keno & Scratch Cards only to fulfil wagering requirement. The max cash out from free spins is $200. Full T&C apply. 18+

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The wagering requirements on all deposit bonuses are quite decent: 40 x the bonus amount. Don’t forget: If you want to avoid these bonus wagering requirements, you can always choose to decline any bonus. The max bet per spin with bonus money is unusually high at $15 per spin.

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Nitropolis slot – Gameplay and Features

You start to play with 6 reels, with 4 symbols each, and you have 4.096 (4x4x4x4x4x4=4.096) ways to win, according to the win-all-ways mechanic.

The new Nitro mechanic

On top of that, Elk Studios has introduced the Nitro Mechanic (and applied for and received a trademark). It is possible to get Nitro Reels with 4, 6, 8, 10 or even 12 (!) identical symbols. These symbols are, as it were, stacked on top of each other.

A Nitro Reel covers 2 of the 4 positions on a reel. As there are 4 positions per reel, it is possible to get 2 Nitro Reels of at most 12 identical symbols on one reel.

In the end, 24 symbols can appear on four reels, 20 symbols on one reel and 14 symbols on one reel (Elk Studios has capped it). It brings you to a blistering number of 85.155.840 (over 85 million times) ways to win! Calculated as (24x24x24x24x20x14=85.155.840).


The high-paying symbols are the four clans, followed by the four logos of the clans. The low-paying symbols are A, K, Q and J.

Besides, you have Wild symbols (a bomb explosion) and scatters (a kind of an engine).

Nitro reels extra features

With the Nitro mechanic, you can get 4 up to 12 stacked symbols, thereby massively increasing the number of ways to win.

There are a few more attractive features, though.

You have the Nitro Reel Upgrade, which gives you a free respin at random moments and converts the current Nitro reel symbol into a higher-paying symbol.

Also, Elk Studios built the Second Chance Respin feature, where you get a free Respin and a second chance to grab a winning combo.

By the way, after a win, you get an extra free respin anyway. The so-called Winning Respin Feature continues until you fail to spin a bigger win or new winning combo.

But there is even more!

The free spins – locked Nitro Reels and Scatter Pay

You get 10, 15, 20 or 25 free spins if you spin 3, 4, 5 or 6 scatters. During the free spins, you can win extra free spins in the same way.

The free spins play the same as the main game, but there are two essential advantages.

You have the Locked Nitro Reels feature, where the Nitro Reels remain sticky for the remaining free spins.

With the Scatter Pay feature, a symbol is randomly selected for scatter wins.

Payout percentage (RTP)

The payout percentage of Nitropolis is 96.1%. It exceeds my critical 96% limit.

The variance (volatility) of Nitropolis is medium to high.

Elk Studios gives a score of 8 out of 10 for volatility. In other words, the variance is medium to high.

It goes with no surprise that you can win big, with the 85 million ways to win! I expect the top wins to be around 1,000x.

Other Elk Studios slots with similar volatility are The Grand Galore, Diablo Reels or the excellent Visitors slot.

So, who’ll like the slot? And who won’t?

Players looking for a slot that they have not seen before are at the right place! The gameplay does come with risk, though. Nitropolis is quite the volatile slot.

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