Nitropolis TV Slot: Free Play and Review

Upgrading Stars

Stars can randomly appear on the payout symbols and be collected on the reels to increase the size of the Nitro Reel.

A Star sign next to a winning symbol means that your Nitro Reel is about to expand

Vulture Features

If a Vulture symbol lands on the reels, it will trigger a random bonus before turning into a Wild symbol.

Signature elements of the game, Vulture symbols can randomly turn into Wilds

Nitro Upgrade

Once the Nitro Upgrade feature appears on a TV screen next to the reels, the corresponding feature will activate. A random number of Nitro Reels will light up and/or upgrade to contain more symbols.

Trigger the Nitro Upgrade feature to activate Nitro Reels and add more symbols to them

Nitro Shift

When the Nitro Shift feature is active, a random number of Nitro Reels swap places.

Once you've activated Nitro Shift, several Nitro Reels switch their positions

Match Up

This feature implies replacing a random number of low-value symbols by high-value symbols or Wilds.

Clear out the grid of low-paying symbols with the Match Up feature

Both Ways

The Both Ways feature calculates the winning combos from both the leftmost and the rightmost reel and adds them to the total win.

The feature gathers wins both from right to left and from left to right

Nitro Reels

A Nitro Reel is located above the main playing area. It covers one of the six top positions.

Nitro Reels are active during bonus rounds and can bring bigger rewards

Wild Symbol

This special symbol substitutes for any other symbol on the reels except for the vulture, Bonus, and the Super Bonus symbols.

The Wilds show vultures and pigeons and substitute for basic symbols in-game

Big Symbols

Super 2x2 or Mega 3x3 symbols can appear randomly on any spin or symbol drop.

Larger symbols can land at any point in the game for increased rewards

Bonus Game

Land 3 or more Bonus symbols on the reels to trigger the free spins bonus game. All Nitro Reels will be persistent during the game, and every Bonus symbol landing will award +1 respin.

Every free spin starts with all Nitro Reels unlocked

Super Bonus Game

If you manage to catch a combo of 3 Bonus and a Super Bonus symbol, it will trigger the super bonus game. Each free spin in this mode will start with a Nitro Reel filled with Wild symbols.

The superior bonus feature of the game, the Super Bonus Game, has your Nitro Reel filled with Wilds

X-iter

X-iter is the slot's Bonus Buy feature with 5 distinctive bonus options you can activate by paying a certain part of your bet:

• Super Bonus: all Nitro Reels are persistent, and each free spin starts with a Nitro Reel filled with Wilds. Both Ways is active throughout the entire game;
• Bonus: guaranteed entry to the Bonus Game with all Nitro Reels persistent;
• Showtime: a guaranteed spin where an activated Nitro Reel is filled with Wilds. A guaranteed vulture symbol lands on the grid, and the Both Ways option is activated;
• Spotlight: get one spin with a guaranteed vulture symbol;
• Bonus Hunt: multiply your chance of triggering the bonus game and the super bonus game by 4.

You can purchase any of these bonus options at any point in the game.