Nitropolis 4

Nitropolis 4

Nitropolis 4 takes you through futuristic city streets where quirky animal characters roam among neon-lit buildings. The game features detailed symbols such as robotic dogs, wild cats, and unique emblems, all appearing across a colourful, cyberpunk-inspired backdrop that combines playful elements with urban scenery and mechanical devices.

Play Button

Game Rules

  • Nitropolis 4 is a 6-column, 4-row slot with spinning reels and dropping symbols. The columns can expand up to 8 rows.
  • The minimum bet is £0.20, and the maximum bet is £4.
  • Each bet is 100 coins.
  • Wins begin with the leftmost reel and pay left to right only on consecutive reels. Wins can also begin with the rightmost reel and pay right to left if Both Ways is active. Only the highest win per active payline is paid.
  • Winnings and winning combinations are paid according to the Paytable.
  • A game round starts at the selected bet level when the player hits the Spin button.

Winnings

  • Winnings are presented in the player's currency or in coins. Preferences can be changed in Settings.
  • The game is played in two modes: normal mode and bonus mode with free spins.

Game Modes

  • All spins in normal mode start with 4 rows and 4,096 ways to win.
  • A Nitro Reel covers two symbol positions. A big Nitro Reel covers six symbol positions.
  • A Nitro Reel can contain a super bonus symbol and counts as one 1x1 symbol regardless of its size.

Symbols

  • The wild symbol substitutes for any symbol except the bonus and super bonus symbols. A payline of all wilds pays as the highest value symbol.
  • A Nitro Multiplier is a blocker that multiplies all wins in view with values from x4 to x12.

Avalanche Feature

  • All wins in the current spin/drop are collected. Winning symbols explode except for Nitro Reels. Remaining symbols fall, and new symbols fill empty spaces. The Avalanche feature continues while new winning combinations appear.

Nitro Booster

  • The Nitro Booster has eight features, five affecting main reels and three affecting Nitro Reels.
  • Redrop is activated with no more wins and causes Nitro Reels to respin.
  • Both Ways and Max Rows deactivate if Bonus mode is triggered.

Bonus Mode

  • A combination of three or more bonus symbols triggers bonus mode with free spins.
  • Free spins award additional spins in bonus mode.
  • Winnings are paid out at the end of bonus mode.
  • No bets can be changed during an ongoing game round.

RTP And Malfunction

  • The RTP value is shown in-game.
  • In the event of malfunction, all bets and wins are void.

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*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to this slot game are subject to change at any time. Game features mentioned may not be available in some jurisdictions.