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Koi Princess

Upon its release, NetEnt dubbed the Koi Princess as "the most feature-packed slot we have ever made!”. With many great releases since then, you will have to be the judge whether this still rings true but with 4 random features and 4 bonus features which result in various types of free spins and other perks, it could still be that case.
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What does John have to say?

With all those bonus features and an awesome theme, what’s not to like? A great game with plenty to indulge in.

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Visit Site See full T&Cs for more detail. 18+ Please Play Responsibly.
  • Thumbs-Up 4 Random Features
  • Thumbs-Up 4 Bonus Features
  • Thumbs-Up Bonus Wheel Full of Prizes
  • Thumbs-Up Multipliers
  • Thumbs-Up Free Spins
  • Thumbs-Up Stacked Wilds
  • Thumbs-Down Medium Volatility

Koi Princess review

The elegance of the Asian design NetEnt have put forward for this slot is the first way it stands out as a top slot from a top provider. When you get immersed in the gameplay though, you see it is far much more than just a pretty face. There is plenty to benefit with every spin while the ambience of the game keeps you cool, calm and ready for cash!

  • Release date: 24th November 2015
  • Game: Koi Princess
  • Game provider: NetEnt
  • 5 reels, 3 rows and 20 Paylines
  • Bet levels: £0.20-£400
  • Maximum win: £5,000
  • Special features: Various Bonus Free Spins, Wilds, Bonus Bet Mode
  • Return to player: 96.23%
  • Jackpot: Yes
  • Mobile: Yes
  • Variance: Medium

Koi Princess Bonus Features

With the aforementioned claim, you bet that the biggest reason to play this game is the bonus features and there is plenty on offer here beside the base game to keep players spinning and winning in the domain of the Koi Princess.

Koi Princess Random Features

During every spin of Koi Princess, Random Features can be activated. Once triggered, users can take their pick of 3 Koi, under which one of four random features can be brought into play. These will offer the player one spin, where the following features come into play.

  • 5 Hit Random Feature – A guaranteed 5-hit win with a random symbol and bet line.
  • The Random Wild Random Feature – Between 4-9 overlay wilds will appear randomly on the reels.
  • Wild Reels Random Feature – 2-5 Reels become Wild Reels so an overlay wild symbol will cover the selected reels.
  • The Bonus Activation Random Feature – 3 Bonuses are presented with 1 Bonus Feature awarded.

Koi Princess video slot by NetEnt

Koi Princess Bonus Features

That final random feature brings us on to the next element that makes Koi Princess a game well-worth playing, its 4 bonus features. These appear when a bonus symbol appears on reels 1, 3 and 5.

The Bonus Feature Wheel will then appear at the bottom of the screen and the player must click on it to trigger one of the following bonuses:

1. Sure Win Free Spins

This feature starts off with 10 free spins. For each spin, the win is guaranteed to be as large as the antecedent spin of the free spins feature, except for the first spin, which will be the bet amount of the player. Each win amount is calculated and if higher than the previous will be awarded directly, but if it is lower, the previous win amount will be awarded instead.

Between spins 1-5 of the 10, an overlay wild will be placed on the reels, with a second wild placed after spin 5, to induce bigger wins. Any free spins won throughout, will be added to the current free spin session.

2. Wild Reels Free Spins

During each spin of this feature, 1-5 random reels will be covered with overlay wilds. These wilds will then be redrawn with each spin. Again 10 free spins are awarded, but these can’t be added onto mid-session.

3. Coin Win

This will award the player instant Coin Win which comes with a random multiplier between x15 – x30 of your current bet.

4. Bonus Wheel

This gives the player the opportunity to spin a bonus wheel in the hope of a prize by accumulating coins. There are various elements that can be won, including access to the other bonus features or multipliers, with the option to double up on these too.

The standout feature though is the Jackpot Coin Win, which can be achieved as you progress from tier 1-3 by getting the arrow symbol. If done so, you can get between a minimum and maximum Jackpot, which is a multiplier between 25x and 1,000x, which makes for big wins. Achieving this, or landing on either the bonus features or “collect” will end the game.

If only two bonus symbols are on the reels, thus slightly missing the required 3, the player can attempt to nudge a 3rd on to the reels, too.

Koi Princess Bonus Bet Mode

In this option of the game, bets will be doubled but it will improve the likelihood of getting a Random or Bonus feature and the RTP will increase by 0.23%, so there is a method to the madness.


Koi Princess’ wilds will replace any symbol on the reels.

Koi Princess Jackpot

The jackpot can be achieved via the bonus game mentioned above, which awards a payout of £200,000. This is lowed to a £5000-max win in the base game.

RTP and volatility

While the game has an above-average RTP of 96.23, surprisingly with all the features it has a medium variance. As such, these features may payout slowly.

Koi Princes Mobile

Koi Princess is a game good to go on mobile so all those features can be enjoyed wherever you are.