Nitropolis Slot

Game Rules

Nitropolis is a 6 reel, 4 rows slot with up to 85,155,840 ways to win. Each bet is 100 coins.

• Wins begin with the first leftmost reel and only pay from left to right on consecutive reels without gaps. Only the longest payline per active payline is paid out.
• A game round starts at the selected bet level when the player hits the Spin button.
• Winnings and winning combinations are paid out according to the Paytable.
• Winnings are presented in the player’s currency or in coins. The player can change this preference in Settings.

Game Modes

Nitropolis is played in two modes: Normal mode and Bonus mode with free spins (if triggered).

• All spins in both modes start with 6 reels, 4 rows, and 4,096 ways to win.
• The wild symbol substitutes for any symbol except the bonus symbol. A payline of all wilds pays as the highest value symbol. In free spins, wilds substitute for the scatter paying symbol in a scatter win.
• A Nitro Reel covers two symbol places and can be of size 4, 6, 8, 10, or 12. Size represents the number of identical 1×1 symbol instances it contains (e.g., size 8 consists of 8 standard 1×1 symbols).

Nitro Reels

• A bonus symbol can appear within a Nitro Reel and will only be counted as one. The size of the Nitro Reel remains when the bonus symbol spins out, and the number of ways to win increases again.
• The wins in the current spin are collected, and then all symbols and Nitro Reels part of a winning combination respin individually. This continues as long as new winning combinations appear.
• The number of ways to win increases with the number and size of the Nitro Reels, starting with 4,096 and may grow up to 85,155,840 ways.
• A Nitro Reel can appear in an initial spin and randomly when two symbols vertically next to each other respin after a win.
• One or more Nitro Reels in view can randomly increase in size during a respin or between free spins.
• Nitro Reels can randomly respin at the end of a spin when there are no additional wins.

Bonus Mode

• A combination of three or more bonus symbols during Normal mode triggers the Bonus mode with free spins:
  • 3 bonus symbols: 10 free spins
  • 4 bonus symbols: 15 free spins
  • 5 bonus symbols: 20 free spins
  • 6 bonus symbols: 25 free spins
• Three or more bonus symbols during Bonus mode retrigger additional free spins. The number of additional free spins is determined in the same way as when initially triggering the bonus game.
• An additional symbol is selected for the scatter wins up to a maximum of 3 scatter paying symbols.
• All Nitro Reels lock in place in the bonus game and remain in play for the remaining free spins.

Winnings and End of Game

• In Bonus mode, one paying symbol is randomly selected for scatter wins during the bonus game. Three or more scatter paying symbols on three different reels are needed to generate a win.
• Only the scatter win will pay out if a symbol selected for scatter win in the bonus game appears in a normal win as well.
• The free spins bonus game ends when no free spins remain or when the win cap has been reached. Winnings are paid out at the end of the bonus game.

Additional Information

• No bets can be changed during an ongoing spin or in any Bonus mode.
• A game round ends immediately when the win cap is reached, and the wins collected will be paid out.
• The RTP value is shown in-game.
• The game will be capped at a potential 10,000 times the placed bet.
• In the event of malfunction, all bets and wins are void.

Nitropolis Demo Mode Information

Players often turn to a Nitropolis demo or Nitropolis free play mode when exploring a slot for the first time. Since a demo is not available here, we’ve highlighted the slot’s main features and mechanics directly on this page. This summary acts as a clear and informative alternative to free play, giving you the knowledge you need to understand how Nitropolis works.

Player Reviews

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