Legal in Virginia Nitropolis is an exciting online slot game that you can play for real money. The online slot and its descendants, fittingly named Nitropolis 2, Nitropolis 3, and Nitropolis 4, are online slots by Elk Studios. Our BonusFinder experts gave the slots a spin: check out our Nitropolis slot review below!
Nitropolis, developed by Elk Studios originally in November 2020, is an exciting slot game that features a post-apocalyptic animal world where four Nitro Clans run rampage: the Dirty Dawgs, the Gritty Kitties, the Pug Thugs, and the Rogue Rats. This high-volatility slot has special features to spice up the gameplay: the sticky Nitro Reels and the elusive Bonus Symbol.
| 🎰 Slot Game | Nitropolis |
| 💸 Return to Player (RTP) | 96.1% |
| 🏆 Max Win | 10,000 x Bet |
| 🔥 Volatility | Medium to High |
| 🟢 Minimum Bet | 0.20 |
| 💰 Maximum Bet | 100.00 |
| 🦌 Developer | Elk Studios |
| 📅 Release Date | November 2020 |
This fun game features chaotic gameplay and graphics, and a whopping 85 155 840 ways to win. Yes, that’s 85 million winning combinations. Although these numbers might seem overwhelming, the game itself is actually pretty easy to understand once you start spinning. Here’s the basic information about this whimsical online slot to get you started:
Nitropolis is a eccentric online slot game with funky features and engrossing gameplay.
Nitropolis 4 is the most recent addition to the Nitropolis family tree. Nitropolis 4 has new exciting game features and a maximum win of up to $2.5 million.
| 🎰 Online Slot | Nitropolis 4 |
| 💸 Return to Player (RTP) | 94.0% |
| 🏆 Max Win | 50,000 x Bet |
| 🔥 Volatility | High |
| ✅ Minimum Bet | 0.20 |
| 💰 Maximum Bet | 50.00 |
| 🚀 Launch Date | February 2023 |
Nitropolis 4 has Bonus and Super Bonus features that can be triggered after hitting three or more bonus symbols. With Nitro Multipliers multiplying any wins (and each other), Nitropolis 4 winnings can climb up to millions. Topped with the X-iter feature, Nitropolis 4 is the most thrilling slot game in the series to date!
Nitropolis slots feature 6 reels in 4 rows. The true spice of the game is found in the Nitro Reels. The Nitro Reels have various features, but most importantly, they create more ways to win. There’s also a bonus game feature: the bonus game will be prompted after triggering three bonus symbols.
Nitropolis slot machine has two modes: Normal Mode and Bonus Mode. Normal Mode refers to the regular gameplay, so your normal manual spins or auto spins. Bonus Mode refers to the bonus game, which runs with free bonus spins.
There’s a counter at the top of the reels. This counter indicates the ways to win from left to right. The counter starts from 4096 by default and grows rapidly from Nitro Reels’ multipliers.
Nitropolis pays out winnings on consecutive reels starting from the left reel. The game only considers the highest winning combinations of matching symbols for active play lines. After the winnings have been paid out, the winning symbols will respin, whereas the remaining symbol positions, including the nitro feature symbols, stay as they are. The respin feature will trigger until there aren’t any winning combinations on the reels.
Nitropolis features manual spins and auto spins functions.
There are 12 different basic symbols on Nitropolis: the letters J, Q, K, and A; an emblem for each of the four Nitro Gangs; and a rat, pug, cat, and dog to represent each gang, respectively.
Nitropolis slot game has a wild symbol that’s portrayed by a mushroom cloud symbol in the first game of the series. In Nitropolis 2, 3, and 4, the wild symbol is depicted by toxic cocktails among other things. The wild symbol can act as any standard symbol that’s absent from the otherwise winning combination. Wild symbols can’t replace a bonus symbol and, therefore, can’t trigger the bonus game.
You can, however, have a Nitro Reel with wild symbols in it. It’s a relatively rare occurrence, but it does happen.
In modern online slots, any bonus games with a free spins feature usually provide the most exciting moments. The special symbols you want to look out for in Nitropolis slots game are engines. The symbol can also appear on Nitro Reels, though it won’t have multipliers like the regular symbols.
Nitro Reels are probably the most exciting feature of Nitropolis slots game. Nitro Reels are special types of reels that appear occasionally. The special Nitro Reels take up the space of two symbol positions and contain from 4 to 12 identical symbols. There are numbers on top of the Nitro Reels, which indicate the number of identical symbols within the Reels. For instance, a Nitro Reel that has the number 10 on top of it contains 10 identical standard symbols.
If a Nitro Reel is included in a winning combination, the wins will be collected, after which the included symbols and the now sticky Nitro Reels respin. This respin feature can result in further winnings and will continue until there are no combinations of winning symbols.
Special Nitro Reels can appear on your regular spin, but they can also appear randomly after two symbols are stacked on top of each other respin. Nitro Reels can also randomly increase during a respin, between free spins, or even at the end of a spin. When this happens, an ‘Upgrade’ text will appear on the reel.
Nitro Reels will occasionally have a respin. This is easily spotted by the ‘Second Chance’ text that pops up on top of the reel.
Getting three or more bonus symbols will trigger the Nitropolis bonus game. The bonus rounds are essentially free spins. The number of free bonus spins depends on the number of symbols that triggered the extra game, varying from 10 to 25. These free bonus spins can also trigger a new set of bonus rounds – if you get three or more of the required special symbols.
Elk Studios decided to develop the Nitropolis slot game further and introduced further sequels or spinoffs: Nitropolis 2, Nitropolis 3, and most recently Nitropolis 4. The games were released in a relatively short timeframe, and feature the same furry friends from the original game. Nitropolis 2 and Nitropolis 3 are somewhat different from the original game, making the gameplay spicier. There are also some updates on the graphics, and for example the wild symbols vary depending on the version you’re playing. Otherwise, the versions of these online slots follow in the footsteps of the original game.
Nitropolis 4, the latest addition to the Nitropolis slots game family, was released in late February 2023.
Elk Studios have released multiple versions of Nitropolis, adding a bit more spice to each new version while still staying true to the spirit of the first game.
Nitropolis 2 is just as chaotic and wild as its predecessor. The game has even more features than the original, introducing over 191 million ways to win. Compared to the original slot game, the sequel has a lower RTP of 95%. It’s a high-volatility online slot that introduces a new Nitro Booster feature. The Nitro Booster is the most notable difference in an otherwise familiar base game.
Nitro Boosters are separate reels located above the main reels. Nitro Booster reels have altogether 8 different features, 6 of which affect the Nitro Reels:
There are also two features that affect the main reels:
Nitropolis 3 slot introduces the almighty Sergeant Nitro Wolf, an Avalanche feature, the Safety Levels, Green Nitro feature symbols, Big Symbols, the Big Nitro Reels, and the Super Bonus Game. Compared to the usual 6 reels in 4 rows, Nitropolis 3 introduces expanding rows that further improve the chances of winning. The RTP is at 95%, there are millions of ways to win, and the hit frequency is 19.2%. The new features bring the following changes to the slots:
Nitropolis 4 is the latest addition to the slot game family. Elk Studios released the new version of the Nitropolis slot machine on February 23rd. The game has a lower RTP of 94% and hit frequency of 18.1%, making the game the most volatile one yet. However, the maximum win is also increased to an astounding 2.5 million.
Nitropolis 4 features the familiar animal gangs and exciting game mechanics introduced in the previous versions.
You can play Nitropolis 4, the latest Elk Studios slot, as a free demo version.
As of March 2023, Nitropolis series are not staple casino games at US online casinos. Because the games are not available for real money casino gaming at licensed US casinos, there are no deposit bonuses to claim at the moment. When Nitropolis becomes more widely available in the US, you can claim a welcome bonus or free spin bonus at your chosen online casino to play with more.
Some of the best casino bonuses have a low minimum deposit or no deposit required at all! You can find plenty of high-value casino bonuses at BonusFinder US.
Let’s be real, many friends of slots often end up trying new slot games after being drawn in by the game’s visuals. Nitropolis is an absolute standout of a game in that aspect: the game showcases quirky post-apocalyptic art. Unlike your regular run-of-the-mill online slots, Nitropolis is truly dedicated to its theme, captivating the player in a matter of seconds.
The biggest eye-catchers of Nitropolis have to be the different animal clans. With quirky names like Rogue Rats, Pug Thugs, and Dirty Dawgs, and the proper artwork to accompany these mammal misfits, the initial impression of the slot is that of bewildered amusement.
Visually, Nitropolis is a far cry from your traditional three-reels or Vegas slots. With all its visual quirks, the game can initially feel a bit overwhelming. Luckily, that feeling passes after a couple of spins, and suddenly you find yourself immersed in the Nitro gangs.
As mentioned at the very beginning of this article, Nitropolis slot machine is a high-volatility slot. So despite the interesting features, the enormous numbers of different winning ways, and the possibility of triggering the free spins bonus rounds, you could play the game for a long while without any winnings.
The base game has a hit frequency of 19.8%, meaning that you can expect to win on approximately every fifth spin. Whereas high-volatility gameplay makes the stakes higher, playing any online slots for a long period of time without notable winnings can get dull.
Our recommendations for a strategy? Manage your expectations with this game: there’s always a chance to win big, but know that you could spend a lot of time waiting for that big win to happen. Keep an eye on your bankroll, too.
Elk Studios outdid themselves: Nitropolis and its upgraded versions are a breath of fresh air among online slots. The games are a ton of fun, quirky, and exciting. The graphics of the slots are impeccable, and the concept is well thought out and incorporated in all aspects of the slots.
Similar to other slots of high volatility, long periods of time could be spent without a notable win, which could make the gameplay dull in the long run. However, if luck is on your side and you do win, the slots quickly become exhilarating.
Some of the best online casinos in the US have yet to include Nitropolis and its successors in their game libraries. We’re confident that Nitropolis’ debut in the American online casinos is only a matter of time.
If you want to know what the buzz is all about, give Nitropolis a spin! You can try it out for free on our Free Games page.
Last updated: 03/22/2023
If you want to try it out for free, you can play Nitropolis on our Free Games page. This is a free demo version that you can play without downloading anything or creating an account.
If you're in a state that has regulated online casinos, you can check if the game's available on your preferred casino platform.
The slot isn't exactly a mainstream game in the US yet, as it's very new and hasn't yet been adopted by the best online casinos. We're hoping to see this change soon.
At the moment, there's no specific promo code for this slot in particular. As mentioned above, these are not mainstream slots in the US, and it could take some time before American online casino operators and online gamblers take note of these new games.
It depends on the version of the Nitropolis slots game you're playing! All three versions start with 4096 and can climb up to millions.
Nitropolis 4 is already out! Elk Studios announced that Nitropolis 4 would officially be released on February 23rd. Nitropolis 4 has an RTP of 94%, a hit frequency of 18.1%, and a maximum win up to 2.5 million.
With the maximum bet of $50.00 to a maximum win in millions, Nitropolis 4 is the highest volatility Nitropolis slot to date. Nitropolis 4 is without a doubt one of the most intriguing online casino games of 2023. It's not yet accessible for many US players, but you can try the demo version and play free games on Elk Studios website.
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