Nitropolis 2

Nitropolis 2 Slot Review

Nitropolis 2 is the impressive sequel to Elk Studios’ original dystopian slot, delivering a cyberpunk gaming experience packed with high volatility thrills and a genuinely innovative mechanic at its heart. Released in April 2021, this 6-reel, 4-row game features an urban future theme that’s visually striking and thematically cohesive throughout. What sets Nitropolis 2 apart is the revolutionary Nitro Booster feature reel that sits above the main grid, introducing mechanics that fundamentally reshape how wins are calculated. If you’re after an adrenaline-pumping slot with serious win potential and complex gameplay, Nitropolis 2 demands your attention.

Base Game & Features

Nitropolis 2 operates on a 6×4 grid with payline mechanics that flex dramatically based on feature activation. In the base game, the slot starts with 4,096 ways to win—a solid foundation for regular-paced gameplay. However, where this game truly excels is through the Nitro Reels mechanic. This core mechanic can expand individual reels during both base game and bonus play, transforming the ways-to-win calculation from 4,096 to an absolutely staggering 191,102,976 possibilities. That’s a game-changer in the truest sense, and it fundamentally alters your approach to what’s possible on any given spin.

The base game features multiple layers of intelligent design. The Winning Respin feature means any time a winning combination lands, all winning symbols respin automatically and the wins continue as long as new combinations appear. This creates a cascade-like sensation without the traditional “tumble” mechanic, and it feels distinctly Elk Studios. Then there’s the Nitro Booster—a specialised feature reel above the main grid with eight different modifier options: Respin, Both Ways, All Wild, All Premium, All Match, Nitro Wild, Nitro Upgrade, and Nitro Match. Each modifier fundamentally alters the outcome potential on that spin, whether by doubling win ways, converting symbols, or locking reels in place.

Symbols and Win Mechanics

The symbol set aligns with the cyberpunk theme—think neon aesthetics, futuristic iconography, and a visual style that hasn’t dated since release. Wild symbols substitute for all others (as they do), and the scatter symbol triggers the free spins mode. The paytable is well-structured, with premium symbols delivering meaningful payouts relative to the game’s 95% RTP and 20% hit frequency. What’s notable is how the Nitro Booster modifiers interact with standard symbols, often turning what would be a modest win into something considerably more impressive when an active modifier is in play.

Bonus Features & Free Spins

The free spins round is where Nitropolis 2 truly showcases its mechanical prowess. Land three or more scatter symbols anywhere on the reels to trigger the bonus. The number of spins awarded depends on your scatter count: 3 scatters net 10 spins, 4 scatters deliver 15 spins, 5 scatters grant 20 spins, and 6 or more scatters award 25 spins. During free spins, the Nitro Reels lock in place permanently, meaning your potential ways to win stays massively expanded for the entire duration of the round. This is where the game’s full win potential reveals itself—with locked Nitro Reels maintaining maximum expansion throughout, combined with the Winning Respin feature, the free spins round becomes genuinely dramatic.

Retriggering is absolutely possible. Land another 3+ scatter symbols during free spins to extend your bonus session with additional spins—this mechanic alone can transform a modest win into something memorable. The average player will find free spins challenging to hit naturally, though; with a 20% base hit frequency and the scatters being relatively rare, free spins require patience and a solid bankroll to experience organically.

X-iter Bonus Buy

Elk Studios includes the X-iter bonus buy feature, though UK players cannot access this functionality due to regulatory restrictions from the UK Gambling Commission. For international players where this feature is available, X-iter provides five purchase tiers (5x, 25x, 100x, 200x, and 500x stake) that offer direct access to the free spins round. This is genuinely useful for players who want to skip the waiting game and jump directly into the high-volatility bonus action, though the cost reflects the value of guaranteed access to the expanded ways-to-win mechanics.

Community Insights

Player feedback on Nitropolis 2 reflects a game that divides audiences into distinct camps. Enthusiasts of high-volatility slots absolutely champion the game’s mechanical innovation and visual execution. The consensus is clear: the visuals are exceptionally well-executed, with the dystopian urban setting creating an immersive cyberpunk atmosphere that feels cohesive throughout. The audio design is similarly praised—the music and sound effects contribute significantly to the adrenaline and excitement, creating a genuinely complete sensory experience.

Gameplay complexity is a double-edged sword. The bonus features deliver loads of excitement with the Nitro Booster’s eight different modifiers and expandable paylines creating a mechanically rich environment. However, some players find the feature set overwhelming rather than engaging. There’s no middle ground here—you either embrace the complexity and love what it offers, or you find yourself frustrated by the layers of mechanics during play.

The most consistent criticism centres on volatility and bonus accessibility. With a 20% hit frequency, you’re looking at winning roughly once every five spins on average, which feels harsh during extended play sessions without hitting the bonus. Free spins are notoriously difficult to trigger naturally without significant wins preceding them. This creates a frustrating experience for casual players or those with smaller budgets. Community feedback suggests that without access to the X-iter bonus buy feature (available to international players), the game requires either exceptional luck or patience bordering on heroic tolerance for dry spells. The 95% RTP, whilst industry-standard, doesn’t inspire confidence when paired with the extreme volatility. Players familiar with mid-range volatility slots rated around 6/10 on the scale will find Nitropolis 2’s 8/10 volatility distinctly uncomfortable.

The maximum win of 10,000x your stake is genuinely impressive and offers excellent winning potential, particularly when the Nitro Reels expand to their full 191,102,976 ways to win during the bonus round. This is where the game truly shines—the ceiling is genuinely high, and with a maximum bet of £100, the theoretical maximum payout reaches £1,000,000. That kind of win potential justifies the volatility for serious enthusiasts.

Overall, the consensus from the community is that Nitropolis 2 represents a worthy follow-up to the original game. It’s packed with brilliant features and offers significantly improved playability compared to the first game. The Nitro Booster feature genuinely makes Nitropolis 2 infinitely more interesting than its predecessor, creating a visceral, engaging experience that’s distinct from other high-volatility offerings. However, the game is unquestionably best suited for high-volatility enthusiasts and experienced players who can afford the premium pricing and endure the dry spells. It’s not ideal for casual or budget-conscious players.

Our Honest Verdict

• Overall Verdict: 4/5
• Nitropolis 2 is an exceptional slot for the high-volatility crowd, delivering mechanical innovation, impressive visuals, and genuinely exciting potential. The Nitro Booster mechanic fundamentally differentiates it from competitors, and when the free spins align with full reel expansion, the experience is genuinely memorable. However, the extreme volatility and low natural bonus hit rate make this game unsuitable for casual players. If you appreciate complex mechanics, can handle long dry spells, and have a decent bankroll to sustain play, Nitropolis 2 is absolutely worth exploring. If you’re seeking regular wins and entertainment from a lower-volatility experience, look elsewhere.

Frequently Asked Questions

• What is the RTP of Nitropolis 2?

  The RTP of Nitropolis 2 is 95.00%. This return to player percentage is confirmed across multiple sources. Note that 95% is actually on the lower end of standard RTPs, and the volatility rating of 8/10 (high volatility) means this is a high volatility game, offering larger wins but less frequent payouts than mid-range volatility slots.
• What is the maximum win in Nitropolis 2?

  The maximum win in Nitropolis 2 is 10,000x your stake. With a maximum bet of £100, this means you could potentially win up to £1,000,000 on a single spin in the bonus game when Nitro Reels expand to their full potential.
• How volatile is Nitropolis 2?

  Nitropolis 2 has high volatility, rated 8 out of 10 by Elk Studios. This means wins are less frequent but potentially larger. Hit frequency is around 20%, with one win occurring approximately every 5 spins on average over long play sessions.
• What are the main features of Nitropolis 2?

  Nitropolis 2 features Nitro Reels as its core mechanic, along with respins, Nitro Booster modifiers, bonus games, and the X-iter feature. The Nitro Booster is a feature reel on top of the main grid with 8 different modifier options including Respin, Both Ways, All Wild, All Premium, All Match, Nitro Wild, Nitro Upgrade, and Nitro Match.
• How many ways to win does Nitropolis 2 have?

  Nitropolis 2 starts with 4,096 ways to win in its base 6×4 configuration. When Nitro Reels activate, this expands dramatically to 191,102,976 ways, making for highly variable winning combinations and substantially increased win potential during bonus rounds.
• What is the betting range for Nitropolis 2?

  Nitropolis 2 allows players to bet from £0.20 minimum to £100 maximum per spin. This wide betting range makes the game accessible to both casual players and high-roller enthusiasts, though the extreme volatility really suits experienced players with substantial bankrolls.
• How does Nitropolis 2 compare to the original Nitropolis?

  Nitropolis 2 is a significant sequel offering expanded gameplay with the new Nitro Booster mechanic on a feature reel. The game features 191 million ways to win compared to the original, enhanced visuals with a Blade Runner-inspired cyberpunk setting, and more engaging gameplay with better feature integration. This represents genuinely improved playability for fans of the original.
• What is the hit frequency in Nitropolis 2?

  The hit frequency in Nitropolis 2 is approximately 20%, meaning players can expect to land a win roughly once every 5 spins on average over long play sessions. This low hit frequency is consistent with the game’s high volatility rating of 8 out of 10, so patience and bankroll management are essential.