Nitropolis 4

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Rules and Gameplay

Embark on a dystopian adventure with Nitropolis 4, a high-octane slot game by ELK Studios, set in a world where quirky animals command a massive oil rig. This slot features a unique Avalanche mechanic where winning symbols are removed, and new symbols drop in, potentially increasing the grid up to 8 rows for more winning opportunities. Players need to match 3 to 6 symbols on adjacent reels, starting from the left, to secure wins. The betting range is broad, accommodating all types of players, from casual to high rollers, with stakes ranging from $0.20 to $100 per spin.

Bonus Features

Nitropolis 4 is packed with exhilarating bonus features, ensuring a dynamic and unpredictable gaming experience. Here’s a rundown of the key features:

  • Nitro Boosters: The game offers 8 different Nitro Booster modifiers like Redrop, Both Ways, and Max Rows, each adding a unique twist to your gameplay.
  • Free Spins: Triggered by 3 to 6 bonus scatters, free spins make Nitro Reels sticky and increase the safety level with each win.
  • Super Bonus Round: Activated with a Super Bonus symbol, this round features Max Rows and Both Ways active from the start, dramatically increasing winning potentials.
  • X-iter Feature: This optional feature allows players to buy their way into different game modes, ranging from enhanced Nitro Booster spins to guaranteed entry to the bonus games.


The Nitropolis 4 slot is adorned with a diverse array of symbols, each adding to the game’s engaging narrative:

  • Low-Paying Symbols: Traditional A-J royals represent the lower-value symbols in the game.
  • High-Paying Symbols: The higher-value symbols include various animal bosses like the Dawg Boss, the most rewarding symbol in the game.
  • Wild Symbol: The spiky mine acts as the wild, substituting for other symbols to form winning combinations.
  • Scatter Symbol: Bonus and Super Bonus symbols are key to unlocking the game’s exciting bonus features.


Nitropolis 4 offers significant winning potential, with a maximum win of up to 50,000 times your stake. However, it’s important to note the game’s RTP of 94%, which is slightly lower than average. Despite this, the high volatility of the game promises thrilling gameplay with potentially large payouts. Here’s how the payout structure works:

Symbol 3 of a Kind 4 of a Kind 5 of a Kind 6 of a Kind
Dawg Boss 1.5x 2x 2.5x 3x
Kitty Boss 1x 1.25x 1.5x 2x


Nitropolis 4 offers a remarkable 4,096 ways to win, which can expand up to a staggering 262,144 ways in the bonus round. This increase is due to the game’s Avalanche feature and the expanding grid system, creating more opportunities for winning combinations.

Pros & Cons

Pros Cons
Engaging dystopian theme with high-quality graphics and sound effects Lower than average RTP at 94%
High maximum win potential of up to 50,000x the stake High volatility may not suit all players
Feature-rich gameplay with multiple bonus features and modifiers Limited appeal to players who prefer simpler slot games

Minimum and Maximum Bet

Nitropolis 4 offers a wide betting range to accommodate different types of players. The minimum bet you can place is $0.20, making it accessible for players on a budget or those who prefer lower stakes. On the other end, the game allows a maximum bet of $100 per spin, catering to high rollers or those looking to maximize their potential winnings. This range ensures that Nitropolis 4 is a versatile game suitable for various gaming styles and bankrolls.

Game Jackpot

The jackpot in Nitropolis 4 is a substantial one, offering players the chance to win up to 50,000 times their stake. This high maximum win potential is one of the game’s most attractive features, offering the possibility of significant payouts. It’s important to note that Nitropolis 4 has an RTP (Return to Player) of 94%, which is slightly lower than the industry average. The game also features high volatility, meaning that while wins might be less frequent, they can be larger when they occur, aligning with the game’s substantial jackpot potential.

About Provider

Nitropolis 4 is developed by ELK Studios, a renowned name in the online slot game industry. Known for their innovative approach and high-quality graphics, ELK Studios has consistently released games that push the boundaries of traditional slot gaming. Their focus on creating engaging themes, immersive gameplay, and unique features has earned them a reputation as a developer of premium, player-focused games. Nitropolis 4 is a testament to their expertise, showcasing their ability to blend captivating storylines with complex gaming mechanics.

How To Play

  1. Setting Your Bet: Start by choosing your bet size. Use the coin icon to select a bet value between $0.20 and $100.
  2. Understanding the Paytable: Familiarize yourself with the paytable. Click on the three lines to view symbol values and game rules.
  3. Spinning the Reels: Press the play button to spin the reels. Winning combinations will be highlighted, and payouts are made accordingly.
  4. Avalanche Feature: Watch for the Avalanche mechanic where winning symbols disappear, and new symbols drop down, potentially creating additional wins.
  5. Activating Bonus Features: Keep an eye out for bonus symbols and scatters to trigger free spins and other bonus features.
  6. Using X-iter: Optionally, engage the X-iter feature to buy into specific game modes for enhanced gameplay.
  7. Monitoring Your Balance: Keep track of your balance and adjust your betting strategy as needed throughout your gaming session.


Nitropolis 4 is an exhilarating addition to the ELK Studios portfolio, offering an engaging dystopian theme and a plethora of bonus features that keep the gameplay exciting and unpredictable. The game’s high volatility and substantial maximum win potential make it an excellent choice for players seeking thrilling gaming experiences with the chance of significant payouts. While the RTP is slightly lower than average, the game’s innovative mechanics and immersive storyline provide a unique and enjoyable gaming experience. Nitropolis 4 is a testament to ELK Studios’ ability to create high-quality and engaging slot games.