Nitropolis is an out of the world-themed slot with multiple bonus features. The bonuses and features are the driving points of the slot. This uniquely themed online slot game has covered every bit of systematic slot playing. When it comes to finesse and high style, this is ‘the’ slot. 


The slot is all about dark-time and features. Everything on the slot reel has to do something with the devil worship and occults. Therefore, the layout is well developed using stunning symbols right out from fantasy and more fantasy . The layout is made up of 3D particles and it’s very retroish. The game’s graphics also are flawless. The layout is less complicated and even beginners can play without any hard turns. The background of the game emits a dark, flamy horror styled canvas with various scary style patterns and symbols. The slot’s sound is also catchy and moving. 

Every symbol here at Nitropolis is placed on a metal sheet layout without any borders. They are systematically divided into various categories. These are A to J symbols which appear alongside the logos of the 4 gangs.  The most rewarding symbols will be the leaders of the 4 animal gangs. The head of the Dirty Dawgs clan will be the highest paying symbol. This character resembles the Terminator of the Terminator. He awards 1.5, 2, 2.5 or 5 x stake if the players land 3, 4, 5 or 6 on adjoining reels. The mushroom cloud will be the wild.

The primary feature will be the Free Spin feature. Land 3 or more on the same spin to activate this feature. The more scatters, the more free spins which will pop. 

  • 3 scatters = 10 free spins
  • 4 scatters = 15 free spins
  • 5 scatters = 20 free spins
  • 6 scatters = 25 free spins

Bonus Features

The Nitro Reels feature will be the bonus here. The base game engine is 6 reels, 4,096 ways to win. On any spin, the Nitro Reels can appear. With the increase of symbols here, the possibility to win rises. Fully expanded with the rolling, the players will have 85,155,840 ways to win or create a winning format. 


This is one of those slots which is entirely for winning and re-winning. Nothing can beat this slot when it comes to the bonus table.