- All Slots Online Casino ›
- ELK Studios ›
- 🔥 Nitropolis 3™
Nitropolis 3 (ELK Studios) – Review & Demo Play
Best Nitropolis 3 Casinos
Nitropolis 3 from ELK Studios play free demo version ▶ Casino Slot Review Nitropolis 3 ✔ Return (RTP) of online slots on December 2025 and play for real money✔
Nitropolis 3 Slot Overview
Nitropolis 3 from ELK Studios drops us back in with the Nitro gangs after Sergeant Nitro Wolf pushed them south. It runs on 6 reels with 4 to 8 rows and starts at 4096 ways to win, rising to millions when things stack up. Core mechanics are Wild Symbol, Redrop, Both Ways, Avalanche, Big Symbols, Nitro Reels, a Bonus Game, and X-iter. Stakes sit between 0.20 and 50. From my sessions, this third entry feels more refined and far punchier than 2.
Nitropolis 3 in Casinos:
➡️ New Slot Sites List Updated: December 2025
➡️ Casinos are licensed and tested by independent gambling auditors eCOGRA ✅ iTech Labs ✅ Gaming Laboratories International
!!! Remember the rules of the Safe Gambling & Responsible Gaming – Casinos can cause Gambling addiction !!!
Playluck Casino
- Very friendly support
- Huge selection of games
- Live dealer games are available
- Supports many payment methods
Captain Marlin
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Pyramid Spin
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Slots Charm
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Libra Spins
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Nitropolis 3: Theme and Soundtrack
Nitropolis 3 shifts from the dystopian city to a beach scene, with fog rolling over sand, a lounger under an umbrella, and toxic barrels stacked nearby. The Nitro gangs rock shades and swagger, fresh off their zeppelin getaway, which fits the series’ steampunk vibe. It plays cleanly on desktop and mobile. Wins form with three or more matching symbols on adjacent reels from the leftmost side, or from the right as well when Both Ways shows up.
I don’t often point out audio, yet ELK’s soundtrack here slaps. The beat keeps spins lively without grating over long sessions, and stingers rise nicely when features cue. That energy fits the dog‑eat‑dog chaos of the gangs and helps the high tempo during avalanches and respins. Visual gags and bold gang art round it off, so even when spins go cold, the set‑up keeps the mood up whilst you wait for Nitro Reels to land.
Nitropolis 3: Betting and Symbols
Betting starts at 0.20 per spin and caps at 50. Base play carries 4096 ways to win via 6 reels with 4 rows, and rows can extend to 8 during avalanches. Standard wins count from left to right on adjacent reels; when the Both Ways symbol lands, pays also count from the right for that sequence. This opens up cracking lines when big symbols and Nitro Reels line up, as wins can land across either edge during a single cascade.
The low symbols are J, Q, K, and A, paying 0.3x for six of a kind. Gang crests for Rogue Rats, Pug Thugs, Gritty Kitty, and Dirty Dawgs sit mid, paying 0.8x to 1x for six. Leaders of each clan head the pack, paying 2x to 5x for six. The wild substitutes for everything except the bonus, super bonus, Both Ways, Redrop, or Nitro feature symbols, and the scatter is a zeppelin. A wild in a feature frame can convert to a Nitro symbol.
Nitropolis 3 Symbols and Paytable
| Symbol | Quantity | Payout |
|---|---|---|
| 6 | x5 |
| 5 | x4 | |
| 4 | x3 | |
| 3 | x1.5 | |
| 6 | x3 |
| 5 | x2.5 | |
| 4 | x2 | |
| 3 | x1 | |
| 6 | x2.5 |
| 5 | x2 | |
| 4 | x1.5 | |
| 3 | x0.75 | |
| 6 | x2 |
| 5 | x1.5 | |
| 4 | x1 | |
| 3 | x0.5 | |
| 6 | x1 |
| 5 | x0.5 | |
| 4 | x0.3 | |
| 3 | x0.2 | |
| 6 | x1 |
| 5 | x0.5 | |
| 4 | x0.3 | |
| 3 | x0.2 | |
| 6 | x0.8 |
| 5 | x0.4 | |
| 4 | x0.25 | |
| 3 | x0.15 | |
| 6 | x0.8 |
| 5 | x0.4 | |
| 4 | x0.25 | |
| 3 | x0.15 | |
| 6 | x0.3 |
| 5 | x0.2 | |
| 4 | x0.15 | |
| 3 | x0.1 | |
| 6 | x0.3 |
| 5 | x0.2 | |
| 4 | x0.15 | |
| 3 | x0.1 | |
| 6 | x0.3 |
| 5 | x0.2 | |
| 4 | x0.15 | |
| 3 | x0.1 | |
| 6 | x0.3 |
| 5 | x0.2 | |
| 4 | x0.15 | |
| 3 | x0.1 | |
|
Scatter | |
|
Wild | |
Base Game and Nitro Reels in Nitropolis 3
Any win triggers the Avalanche. Winning symbols drop away, new ones fall in, and an extra row adds on top, up to 8 rows. If Nitro Reels are part of a win, they respin with the incoming avalanche as the grid expands. This cycle repeats while new wins keep landing. That flow gives the game a proper rhythm, stack wins, climb rows, and watch the ways count surge as the reel set breathes in and out between cascades.
Symbols can arrive in four sizes. You get standard 1x1, then 2x2, 3x3, and 4x4. A 3x3 acts as nine 1x1s, which makes matching lines far easier when it drops across the centre. Low, mid, high, and wild symbols can all appear in these larger blocks. Big tiles also layer neatly with Nitro Reels, since a wide block next to a stacked reel can send many identical symbols across multiple rows during the same avalanche sequence.
Small Nitro Reels cover two spots and hold 4, 6, 8, 10, or 12 of a 1x1 symbol. Big Nitro Reels fill six spots and hold 2, 3, 4, 5, or 6 of a 2x2 symbol. Small reels can also carry a super scatter that counts as a single 1x1, and the ways revert once it rolls off. Redrop can trigger on a losing spin, holding Nitro feature symbols and scatters while other positions respin. Both Ways stays active through the whole avalanche.
Nitro Features in Nitropolis 3
There are three Nitro features that fire after all symbols have landed, before payout. Nitro Match aligns all Nitro Reels on the same and adjacent reels to an adjacent paying symbol. Nitro Upgrade adds more symbols to those Nitro Reels. Nitro Wild flips all symbols within the Nitro Reels on the same and adjacent reels to wilds. After a feature executes, it can randomly turn into a wild, and if that wild hits a win, it reverts back to a Nitro feature again.
Nitropolis 3 Free Spins and X-iter
Hit 3, 4, 5, or 6 scatters to trigger 8, 12, 16, or 20 free spins. During the bonus, Nitro Reels that land stick for the rest of the round, and extra spins can retrigger. A safety level applies: each winning spin pushes the rows up by one to a cap of 8, and the row height does not reset between spins. Mix scatters with super scatters and you step into the super bonus, where Both Ways is on throughout and you start at 8 rows.
X-iter lets you jump straight into set modes. There’s a 2x bet spin that more than doubles bonus chance, a 10x spin with a guaranteed big Nitro Reel, a 25x spin with Nitro Match and Both Ways, a 100x buy for the bonus, and a 500x buy for the super bonus with 8 rows and Both Ways active. As ever, this suite isn’t offered to UK players, but elsewhere it’s there if you want to shortcut the set‑up.
RTP, Volatility and Max Win in Nitropolis 3
RTP sits at 95.0%, with volatility rated 7 out of 10 and a hit frequency of about 19.2%. The ceiling is 50,000x the bet, a big step up for the series. Base play can feel spiky, but the mix of avalanches, growing rows, sticky Nitro Reels in the bonus, and Both Ways in the super bonus gives real pop when it connects. From a bankroll view, I favour modest stakes and time on the reels to ride out the dry spells.
Gallery of video and screenshots of the game
Other slots from ELK Studios:
We have 140 slots from the provider ELK Studios in our database. We recommend you check out other slots from ELK Studios:
Other Casino Software Providers
We also have slot machines from other casino software providers in our database. Many of them can give you a whole new perspective on slots gambling
References:
Mark Rylance
Editor in Chief and Developer – AllSlotsOnline.Casino
Gambling is one of my main passions in life and I strive to help players find the best place to relax and get excited about gaming.
Last updated 14.12.2025 by Mark Rylance