Game Overview
Nitropolis 3 is a 6-column, 4-row slot game with spinning reels and dropping symbols. The columns can expand up to a maximum of 8 rows.
Betting Rules
- The minimum bet is £0.20, and the maximum bet is £4.00.
- Each bet is set at 100 coins.
Winning Combinations
- Wins begin with the leftmost reel and pay left to right on consecutive reels.
- In “Both Ways” mode, wins can start from the rightmost reel and pay right to left.
- Only the highest win per active payline is paid out.
Game Rounds
- A game round starts when the player hits the Spin button.
- Winnings and winning combinations are paid according to the paytable.
Game Modes
- There are two modes: Normal Mode and Bonus Mode with free spins.
- All spins in Normal Mode start with 4 rows and 4,096 ways to win.
Nitro Reels
- A small Nitro Reel covers two symbol places and contains 4, 6, 8, 10, or 12 identical symbols.
- A big Nitro Reel covers six symbol places and contains 2, 3, 4, 5, or 6 identical payout symbols.
- Nitro Reels part of a winning combination respin during symbol refill.
Symbols
- Symbols exist in four sizes: standard 1×1, Super 2×2, Mega 3×3, and Epic 4×4.
- All big symbols count as multiple standard symbols.
Wild Symbol
- Substitutes for any symbol except bonus-related symbols.
- Can land within a feature frame and flip into a Nitro feature symbol after payout.
Features
- Avalanche feature: Adds an additional row of symbols when a winning combination appears.
- Nitro Features: Includes Nitro Match, Nitro Upgrade, and Nitro Wild.
- Both Ways and Redrop features affect all reels.
Bonus Mode
- Triggered by three or more bonus symbols in Normal Mode.
- Awards free spins: 3 symbols for 8 free spins, up to 6 symbols for 20 free spins.
- Super Bonus Game is triggered if there is at least one super bonus symbol.
Free Spins Bonus Game
- Starts with 4 rows and advances with each winning spin.
- During free spins, all Nitro Reels are kept in play.
Miscellaneous
- Free spins end when no spins remain or win cap is reached.
- Winnings are paid at the end of the bonus mode.
- The theoretical RTP is 95.0%.
- Maximum possible win is capped at 50,000x the placed bet.
- In the event of malfunction, all bets and wins are void.
