Nitropolis 3
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Nitropolis 3
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Nitropolis 3 Slot Review

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How to play Nitropolis 3 mobile slot

The Nitropolis 3 slot game has more features than sense, with up to 8 rows of symbols giving you up to 1 million ways to win. But first, you’ll have to become the top dog of these reels.

Nitropolis 3 slot by Elk Studios starts as 4096 ways to win machine, but each win explodes the winning symbols and adds an extra reel of symbols, opening up the game with each win. And that’s not even mentioning the Nitro reels which can add up to 12 symbols in locations all over the slot reels, or the mega symbols that stand up to 4×4 high.

You have wild symbols, you have scatters, you have free spins where the row expansion and the nitro reels are sticky. You even randomly get pay both way reels, symbol upgrades, and respins, and all with a high RTP of 95%.

How does this come together so well when at times it’s hard to follow what is going on?

That would be thanks to Elk Studios beautifully themed creation which somehow makes you smile on every spin. That and the fact that we already knew what we were getting into, having played the equally mad Nitropolis 2 slot game.

Nitropolis 3 slot game features

Where to even start? First, let’s talk about the base game. The avalanching reels start the chain reaction but it’s the Nitro Reels that will decide how many ways to win and how much fun you’ll have.

These 2 or 6 symbols tall reels hide extra symbols within them, from as little as 2 all the way to 12. They help create bigger wins even as the mobile slot expands. Better yet, special symbols on the reels will:

  • Change the Nitro reels to pay as adjacent reels, not just left to right
  • Upgrade the symbols on a Nitro Reel
  • Turn the Nitro Reel wild
  • Allow the slot to win both ways
  • Keep all bonus symbols and Nitro features sticky, with the rest of the symbols spinning again to catch more

And that’s just the Nitropolis 3 mobile slot base game. But to say we felt close to the top win of 50,000x your bet in the base game would be a lie. For the most part, you are entertained until the bonus spins.

Win up to 50,000x your bet in the free spins

It’s not as high a top win as in the Tombstone R.I.P slot, but it’s a hefty sum for any real money slot with no jackpot.

And, to be fair to this Nitropolis 3 online slot you could win the top win in the base game if you have an incredible avalanching win that keeps going forever.

For the most part, you’ll have to catch 8 to 20 free spins with 3 to 6 scatters. Here the rows of symbols increase, but don’t reset between losing spins, helping you reach the top 8 rows and million ways to win faster. Add that the Nitro reels are also sticky, and this is a crazy nitro-fueled affair.

Personally, we wouldn’t recommend this be the first of the Elk Studios slots for you to play. Maybe not even the third. It’s a volatile, dangerous, and crazy affair and if you haven’t played the original Nitropolis slot or even just read the Book of Toro review, that’s where you should start.

But if you are a fan, and know that only the craziest wins and the craziest casino game will do, this is an absolute must-play. You might not survive, but you’ll have one hell of a ride. Try it for yourself at one of our recommended slots sites.

Game Screenshots

Nitropolis 3 slot stats

Mobile Slot releasedApril 2022
Slot typeVideo Slot
Slot reels / paylines5 Reels / 4096 Ways to Win
House edge / RTP5% / 95%
Slot volatilityHigh
Min/Max bet0.20 / 4
Max win200,000 cash or 50,000x your bet
Free spins8 to 20 Free Spins / Sticky Expanded Reels and Sticky Nitro Reels
Bonus roundsAvalanching Wins, Scatter, Free Spins, Expanded Reels, Symbol Upgrades, Pay Both Ways, Adjacent Pays, Mega Symbols, Nitro Reels
Slot ThemesAnimals
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Bonus Features

Wilds: The wild symbol replaces other symbols in a payline to complete a win. It does not replace the bonus, the super bonus, the both ways bonus, the redrop or the Nitro feature symbols.

Mega Symbols: All symbols, including the wild, can come in four sizes - 1x1, 2x2, 3x3, or 4x4.

Nitro Reel: These add extra symbols on the reel and always show identical symbols.

  • Small Nitro Reel (2 symbols high): has 4, 6, 8, 10 or 12 1x1 identical symbols
  • Big Nitro Reel (6 symbols high): has 2, 3, 4, 5, or 6 identical 2x2 paying symbols.

Avalanching Wins with Expanded Reels: All winning symbols (except he ones in a nitro reel) will explode and more will tumble down from above. You also get an additional row of symbols, expanding the ways to win. The max height of rows is 8.

Nitro Features: special symbols can affect the Nitro Reels on show in different ways:

  • Nitro Match: matching symbols on the Nitro reels will pay out on adjacent reels, not just left to right.
  • Nitro Upgrade: Upgrades the symbol and number of symbols on a Nitro Reel
  • Nitro Wild: All the symbols in on the Nitro Reel will be replaced by wild symbols
  • Both Ways: wins can now payout left to right, but also right to left.
  • Redrop: All bonus symbols and Nitro features stay sticky and the rest of the symbols redrop with new ones.

The last two features can trigger randomly through the game before and after a spin.

Bonus Games: 3 or more bonus symbols will trigger the Free Spins bonus game.

  • 3 scatters - 8 free spins
  • 4 scatters - 12 free spins
  • 5 scatters - 16 free spins
  • 6 scatters - 20 free spins

All Nitro Reels are sticky during the free spins. If you manage to unlock a row of symbols, the rows stays sticky throughout.

You can trigger the super bonus game within the bonus, where you'll get to play with all 8 rows open and both ways activated. You'll need to find super bonus symbols in the Nitro reels to trigger it.

Nitropolis 3 Review Conclusion

With up to 1 million ways to win, it's hard not to love this Nitropolis 3 slot machine. Even if it's so volatile, it feels like you are actually playing for your life in a post-apocalyptic world, which is kinda thrilling.

Not for the faint of heart, but lovers of the original slots, or even the newer Punk Toilet slot, will undoubtedly enjoy those crazy Nitro reels.

The way the avalanching reels and increasing rows of symbols keep giving you more and more almost make you feel like you are playing on one of the many low variance slots.

But it's not, so don't be fooled. Be careful and play with a good slot strategy to make sure you make the most of every bet and every win.

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Review by Lucky Mobile Slots, last updated: March 6, 2024 - Rating 4

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