20+ years in the gambling industry including 13+ years playing and reviewing slots.
Slot sites are full of familiar themes, but the Nitropolis slots series from ELK Studios stands apart with its wild dystopian world, quirky animal gangs, and explosive gameplay. Whether you're new to the saga or a returning fan, my guide breaks down each release, from the original to the newest spin-offs, in clear, useful detail.
Start by discovering the top slot sites in the UK to play for real money and then go on to explore what makes Nitropolis one of the most inventive series in online slots.
Play for Real Money
With Nitropolis slot games found at most casino and slot websites, below are 5 regulated and Gambling Commission-licensed options. All tested and verified by OLBG’s expert team, you can find out how OLBG rates sites. To find out more, press or click the review link or use the SEE OFFER button to get playing for real money straight away.
- No. of slots 1850+
- Payout speed Instant Options
- Win rate Variable
- Independent Casino With Unique Design
- Top Class Slot Games
- No. of slots 2115
- Payout speed 24 Hours
- Win rate 92.4%
- Biggest Slot Providers
- No-Fee Deposits and Withdrawals
- No. of slots 1500
- Payout speed 24 hours
- Win rate Variable
- UK-only Casino With 24/7 Customer Support
- Quick & Free Withdrawals
- No. of slots 1110
- Payout speed 24 hours
- Win rate 97%
- Free, Instant Withdrawals
- PayPal Available For UK Users
- No. of slots 1400
- Payout speed 24 Hours
- Win rate 96%
- Excellent Live Casino Offering
- Free Spins Bonuses for Regular Players
All Nitropolis Slots
Below, you’ll find details of each game in the series from ELK Studios including a link to a more thorough review and free slot demos.
| Slot Name | RTP | Volatility | Max Win (x Bet) | Minimum Bet | Release Date |
|---|---|---|---|---|---|
| Nitropolis | 96.10% | High | 10000 | £0.20 | 03/11/2020 |
| Nitropolis 2 | 95.00% | Medium-High | 10000 | £0.20 | 20/04/2021 |
| Nitropolis 3 | 95.00% | High | 50000 | £0.20 | 21/03/2022 |
| Nitropolis 4 | 94.00% | High | 50000 | £0.20 | 08/02/2023 |
| Gritty Kitty of Nitropolis | 94.00% | High | 25000 | £0.20 | 06/02/2024 |
| Rogue Rats of Nitropolis | 94.00% | High | 25000 | £0.20 | 05/03/2024 |
| Dirty Dawgs of Nitropolis | 94.00% | High | 25000 | £0.20 | 02/04/2024 |
| Pug Thugs of Nitropolis | 94.00% | High | 25000 | £0.20 | 07/05/2024 |
| Nitropolis 5 | 94.00% | High | 50000 | £0.20 | 23/07/2024 |
| Nitropolis TV | 94.00% | Medium-High | 10000 | £0.20 | 20/02/2025 |
1. Nitropolis
- RTP: 96.1%
- Max Win: 10,000x
- Volatility: High
- Stakes: 20p to £5
- Release Date: 3 November 2020
Released in November 2020, Nitropolis immerses you in a post-apocalyptic world where 4 animal clans vie for control. Beginning with 6 reels and 4,096 ways to win, it offers up to 85,155,840 ways to win, thanks to its innovative Nitro Reels mechanic. With a 96.1% RTP rate and 10,000 x bet max wins, the game offers respins, sticky symbols, and a bonus game with up to 50 free spins.
2. Nitropolis 2
- RTP: 95%
- Max Win: 10,000x
- Volatility: Medium-High
- Stakes: 20p to £5
- Release Date: 20 April 2021
Nitropolis 2 cranks up the chaos and expands upon its predecessor with up to 191,102,976 ways to win . Set in a dystopian city, it features Nitro Reels and a Nitro Booster reel offering 8 modifiers, including wilds and respins. The game offers a 95% RTP and 10,000 x bet max win potential. Landing 3 or more bonus symbols triggers up to 25 free spins with sticky Nitro Reels, enhancing the chance for significant wins.
3. Nitropolis 3
- RTP: 95%
- Max Win: 50,000x
- Volatility: High
- Stakes: 20p to £5
- Release Date: 21 March 2022
Nitropolis 3 transporting you to a tropical beach setting where the Nitro gangs continue their escapades. This high-volatility slot features 6 reels and starts with 4,096 ways to win, which can expand up to 262,144 through the Avalanche feature. With a 95% RTP rate, the game offers exciting features like Big Symbols, Nitro Reels, and a Bonus Game with up to 20 free spins. Triggering the Super Bonus activates win both ways pays and starts with the maximum number of rows, enhancing the chance for significant wins to the tune of 50,000 x your total bet.
4. Nitropolis 4
- RTP: 94
- Max Win: 50,000x
- Volatility: Medium/High
- Stakes: 20p to £5
- Release Date: 23 February 2023
Nitropolis 4 is set on a dystopian oil rig, the game features 6 reels and starts with 4,096 ways to win, which can expand up to 262,144 through the Avalanche mechanic. Key features include Big Symbols, Nitro Reels, Nitro Multipliers up to 12x, and 8 Nitro Booster modifiers. The Bonus Game offers up to 20 free spins, with sticky Nitro Reels and expanding rows enhancing win potential. Landing a Super Bonus symbol activates the Super Bonus Game, played with max rows and win both ways payouts for up to 50,000 x bet max wins.
5. Nitropolis 5
- RTP: 94%
- Max Win: 50,000x
- Volatility: High
- Stakes: 20p to £5
- Release Date: 23 July 2024
Nitropolis 5 is the climactic finale of the Nitropolis series, plunging you into the final battle. With 6 reels, the grid can expand from 4 to 8 rows, starting with 4,096 ways to win and potentially reaching over a million. Introducing new elements like the Boss Battle against Sergeant Nitro Wolf, NPD Holding Cells, and 11 Nitro Booster modifiers, it comes with 50,000 x bet max win potential.
Nitropolis Spin-Offs: Clan-Centric Stories
According to ELK Studios, the 4 clans had to find new ways to extract their previous Nitro as they were forced out of Nitropolis by Sergeant Nitro Wolf. In exile, ELK expanded its acclaimed Nitropolis series with several spin-off titles, each spotlighting 1 of the 4 animal gangs: Gritty Kitty, Rogue Rats, Dirty Dawgs, and Pug Thugs. Part of the Battle of Nitropolis, below you’ll find details on each of the 4 clan slots plus the whacky Nitropolis TV.
Gritty Kitty of Nitropolis
- RTP: 94%
- Max Win: 25,000x
- Volatility: High
- Stakes: 20p to £5
- Release Date: 6 February 2024
Gritty Kitty of Nitropolis is a set in a dystopian Tokyotown with this spin-off focuses on the Gritty Kitty gang’s quest for the Golden Shuriken. With 6 reels and up to 262,144 ways to win, it offers dynamic gameplay through features like Avalanche wins, Nitro Reels, and a Feature Reel introducing modifiers such as Nitro Upgrades and TNT symbols. Bonus rounds include Assassin Spins and Free Drops, which can lead to 25,000 x bet max wins.
Rogue Rats of Nitropolis
- RTP: 94%
- Max Win: 25,000x
- Volatility: High
- Stakes: 20p to £5
- Release Date: 5 March 2024
Rogue Rats of Nitropolis offers a unique twist on the slot genre. Set in a post-apocalyptic desert, you navigate an infinite grid, collecting matching symbols in a dynamic, vehicle-driven adventure. With a 94% RTP and high volatility, features include Nitro Multipliers, symbol upgrades, and free spins. It boasts 25,000 x bet max win potential.
Dirty Dawgs of Nitropolis
- RTP: 94%
- Max Win: 25,000x
- Volatility: High
- Stakes: 20p to £5
- Release Date: 2 April 2024
Dirty Dawgs of Nitropolis is a gritty, high-volatility slot with 6 reels and 20 paylines. Set in a dystopian city, key features include Nitro Wild Reels, Nitro Feature Boxes with modifiers like respins and wilds, and a free spins bonus where Nitro Wilds become sticky. With a 94% RTP rate, max wins can reach 25,000 x your total bet.
Pug Thugs of Nitropolis
- RTP: 94%
- Max Win: 25,000x
- Volatility: High
- Stakes: 20p to £5
- Release Date: 7 June 2024
Pug Thugs of Nitropolis is a high-volatility slot with a 6x6 grid and 94% RTP. Set in a post-apocalyptic world, it features connecting paylines from all 4 sides, Nitro Reels, Feature Screens, and free spins for up to 25,000 x bet max win potential.
Nitropolis TV
- RTP: 94%
- Max Win: 10,000x
- Volatility: Medium-High
- Stakes: 20p to £5
- Release Date: 20 February 2025
Nitropolis TV is a dynamic 6 reel, 4,096 ways slot game with a 94% RTP and high volatility. Set in a post-conflict Nitropolis, the game features Nitro Reels, Vulture-triggered modifiers, and both standard and Super Bonus free spins games. Max win potential can reach 10,000 x your total bet.
What Makes the Nitropolis Series Stand Out?
- Nitro Reels: these unique expanding reels boost win potential dramatically.
- High Volatility: ideal for players seeking big win opportunities and bonus-heavy action.
- Unique Lore and Clans: each game expands the Nitropolis world with rival animal gangs and story-driven environments.
- Consistent Quality: ELK Studios ensures each title feels fresh but familiar.
Final Thoughts
Whether you're chasing max wins or just love great storytelling, the Nitropolis slots series delivers. Each release builds on a winning formula, introducing smart new features and keeping the vibe fresh. For players who appreciate detail, character, and explosive slot mechanics, Nitropolis is essential spinning.
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