- Urban slot set in the city of Nitropolis, where four rival gangs compete for Nitro.
- Played across 6 reels and 4 rows, with 4,096 ways to win.
- Includes Nitro Reels, winning respins, Wild symbols, and a Bonus mode.
- Wins can reach up to 10,000x the bet.
The Nitropolis 5 slot game is set in a graffiti-covered city where the Dirty Dawgs, Gritty Kitty, Pug Thugs, and Rogue Rats are all chasing Nitro. Played across 6 reels and 4 rows, the game combines Nitro Reels, respins, and a Bonus mode that can award additional spins. In this slot review, we’ll look at the game’s features, payouts, and place within the BetMGM’s collection of online slot games.
Nitropolis 5 Game Highlights
Three features help define how Nitropolis 5 works:
- Nitro Reels can expand the grid: These larger reel sections can increase the number of ways to win from 4,096 up to 85,155,840.
- Winning symbols can respin: Symbols involved in a win can spin again, giving the same round another chance to continue.
- Bonus mode keeps Nitro Reels active: When the Bonus mode starts, any Nitro Reels already on the grid stay in place for the remaining spins.
Nitropolis 5 Slot Quick Facts and Features
| Software Provider | Microgaming |
| RTP | 96.01%* |
| Volatility | High |
| Jackpot Type | N/A |
| Paylines | 4,096 |
| Reels | 6×4 |
| Max Wager | 100 Credits |
| Max Win | 10,000x |
* Please note that the return to player (RTP) rate for this slot or casino game may differ from one jurisdiction to another.
How Does the Nitropolis 5 Slot Work?
The Nitropolis 5 game menu gives players access to the paytable, rules, symbol values, and feature information. These pages explain how wins are formed, how special symbols behave, and how the game moves between its regular round and Bonus mode.
Each spin starts from the selected bet level, with winnings paid according to the paytable. Winning combinations are read from left to right, and only the highest win on an active line is paid. Some symbols and reel sections can change how a round continues, but the full feature breakdown sits in the sections below.
Nitropolis 5 Game Features
This online slot game uses Nitro Reels, Winning Respins, Wild symbols, and Bonus symbols to change how each round develops.
Nitropolis 5 Nitro Reels Feature
Nitro Reels can appear during any spin and always cover two symbol positions on the grid. Each Nitro Reel contains 4, 6, 8, 10, or 12 matching symbol instances, which can significantly increase the number of ways to win.
Nitropolis 5 Winning Respins Feature
After a winning combination is formed, the symbols and Nitro Reels involved in that win respin individually. The feature continues for as long as new winning combinations are created.
Nitropolis 5 Wild Symbol Feature
The Wild symbol substitutes for all symbols except the Bonus symbol. A winning combination made entirely of Wild symbols pays as the highest-value symbol.
Nitropolis 5 Bonus Symbol Feature
Bonus symbols are used to trigger the game’s Bonus mode. Three or more Bonus symbols anywhere on the reels activate the feature, while Bonus symbols appearing inside a Nitro Reel still count as a single Bonus symbol.
Nitropolis 5 Slot Bonuses and Jackpots
Nitropolis 5 does not include a jackpot. Bonus mode starts when three or more Bonus symbols land in the regular game, with the number of awarded spins depending on how many Bonus symbols appear:
- 3 Bonus symbols: 10 extra spins
- 4 Bonus symbols: 15 extra spins
- 5 Bonus symbols: 20 extra spins
- 6 Bonus symbols: 25 extra spins
Bonus mode can be retriggered when three or more Bonus symbols appear again. When this happens, extra spins are added, and another paying symbol can be selected for scatter wins, up to a maximum of three scatter-paying symbols.
Nitropolis 5 Slot Graphics and Design
Nitropolis 5 is set in a city where four rival gangs compete for Nitro. The reels combine gang emblems, character artwork, industrial details, and bright neon colours against an urban backdrop. Character symbols based on the Dirty Dawgs, Gritty Kitty, Pug Thugs, and Rogue Rats appear throughout the game alongside themed special symbols. Electronic music and arcade-style sound effects support the game’s city-inspired setting.
Nitropolis 5 Slot Symbols
The highest-paying symbols are the four gang characters, with six matching symbols paying between 300 and 500 coins depending on the character. Gang emblems sit below these premium symbols and pay up to 160 coins for six-of-a-kind. The lower-paying symbols are A, K, Q, and J, which award up to 50 coins for six matching symbols.
The game also includes special symbols. The Wild symbol substitutes for all symbols except the Bonus symbol and pays as the highest-value symbol when a winning combination contains only Wilds. Bonus symbols are used to trigger Bonus mode.
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