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Ninja Frog Slot review



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Hone your hidden blade and jump into action in the Ninja Frog slot! Popiplay takes players on a quest for golden scrolls in this masterful mix of Asian and animal-inspired game! Unlock special expanding symbols and uncover the mysteries of the swamp.

Betting Options and Bonus Features

The gameplay of Ninja Frog slot takes place on a 5x3 reel setup with 10 paylines and 9 payout symbols. The objective is to connect 2+ matching symbols on one of the 10 paylines to form a winning combo. The max win on these reels is 5,000x your stake! 

Symbols can also be connected using the Wild symbol. It is illustrated by an ancient scroll and serves as a substitute for every other symbol. The Wild also has a value of its own should you form a full payline of Scroll symbols. It pays the same as the top tier symbol and also serves as a Scatter. Anytime you land 3 or more Scroll symbols anywhere on the grid, you receive an additional payout of 2x, 20x, or 200x and unlock the Free Spins bonus game.

During the bonus game, you’ll unlock the Expanding symbol feature. One random regular symbol (except for Scatter/Wild) will be selected and upgraded with the ability to expand. Anytime, the selected symbols appear, it will expand to cover the entire reel! 

In addition, you are able to retrigger the feature by landing 3+ Scatters during the bonus round. You can potentially have up to 9 expanding symbols during the whole feature.

If you’d like to enter the bonus features faster, Popiplay includes two optional features on the left side of the reels. The first is called Chance 2x Feature and it doubles your chance of landing Scatter symbols but also increases the size of your bet by 1.6x.

The second option is the Buy Bonus feature, which lets you go right into the bonus game for a fixed sum. It comes in 9 different variations, each containing a corresponding amount of expanding symbols:​

  • 1 Expanding Symbols - Unlock for 110x your total bet.
  • 2 Expanding Symbols - Unlock for 173x your total bet.
  • 3 Expanding Symbols - Unlock for 235x your total bet.
  • 4 Expanding Symbols - Unlock for 299x your total bet.
  • 5 Expanding Symbols - Unlock for 362x your total bet.
  • 6 Expanding Symbols - Unlock for 422x your total bet.
  • 7 Expanding Symbols - Unlock for 478x your total bet.
  • 8 Expanding Symbols - Unlock for 520x your total bet.
  • 9 Expanding Symbols - Unlock for 485x your total bet.

The last feature of Ninja Frog is the Gamble Round. It can be used in both the base game and the bonus game. After every win, you are given the opportunity to enter the Gamble Round. It will take you to another screen showing a playing card face down. 

You have to correctly predict either the color or the suit of the card. Guessing the color correctly will double your win, whereas guessing the suit will quadruple it. However, if you lose you have to forfeit your winnings.

Roshtein’s Take

Ninja Frog has some of the best art style seen in slots. Popiplay depicts feudal Japan perfectly! In terms of gameplay, the base game is a bit dry but the bonus game completely makes up for it. Having multiple expanding symbols is really exciting and on top of that you can customize your bonus round if you buy it. I wish more slots would include all the variations of their bonus games in their bonus buy.


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