Koi Princess Slot Review

  • Expert Rating 9.8
  • Year Created 2015
  • Reels 5
  • Paylines 20
  • RTP % 96%
  • Volatility Low
  • Mobile Compatibility Yes
  • Game Developer

  • Min Coins per Line 0.01

  • Max Coins per Line 10

  • Min Bet 0.20
  • Max Bet 200
  • Max Payout 1,000x

  • TypeVideo Slot
  • Theme Oriental, Royal, Pop Culture
  • Languages English, Finnish, Swedish, German, and 20 other languages
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9.8

Koi Princess Slot Overview

The Koi Princess slot from NetEnt has 5 reels and 20 paylines. Based on Japanese culture, the game offers sticky wilds, free spins, and a 1,000x maximum win. With bets from 0.20 to 200.00 per spin, Koi Princess caters to beginners and high rollers. Our Koi Princess slot review will discuss everything from symbols and payouts to bonuses and graphics.

There are a total of 9 bonus features when you play Koi Princess. 4 can be triggered at random after any spin. The other 5 are activated through scatter symbols.

Koi Princess Casino Game Pros & Cons

Koi Princess Online Slots

As you’ll find with all slots at online casinos, Koi Princess online comes with benefits and limitations. After testing the game extensively, these are the main pros and cons of Koi Princess by NetEnt that we feel players should take note of.

Pros:

  • Bet from 0.20 to 200.00 per spin
  • Excellent graphics and animations
  • 9 Koi Princess bonus games to trigger
  • 96.23% Koi Princess RTP is above average

Cons:

  • Low volatility might not suit all players

How To Play Koi Princess by NetEnt

The Koi Princess slot was released in 2015 and is easy to play on desktop and mobile. Available at selected online casinos in the US, the following is a step-by-step guide that will help players get started.

  1. Set Your Stake

    Launch the slot machine Koi Princess on your chosen platform. Underneath the reels, use “LEVEL” and “COIN VALUE” to set your stake per spin. There are left and right arrows that will decrease and increase the total.
    Set Your Stake
  2. Spin the Reels

    Click or tap the green button in the center of the footer, between “AUTO PLAY” and “MAX BET”. Watch as the reels spin and symbols land.
    Spin the Reels
  3. Trigger Bonuses

    There are 4 random bonuses that can trigger on any spin when you play Koi Princess. The best features are triggered when you land scatter symbols on reels 1, 3, and 5 from the same spin.
    Trigger Bonuses

Storyline & Theme

The Koi Princess slot by NetEnt has a traditional feel to it. The Japanese theme features popular Asian pop culture items, including frogs, dragons, and the Koi Princess herself. The origins of Koi fish date back to the 19th century, with players taking on an Asian adventure with this slot.

Koi Princess Online Slot Graphics & Animations

An impressive waterfall and pagoda feature behind the reels with the Koi Princess casino game. Like other games by NetEnt, the developer has done an excellent job capturing the manga theme.

A beautiful princess hovers to the left of the reels, with her fluttering eyelashes and animations attracting the attention of many players. A gold frame is found around the reels, with traditional royal symbols landing. High-paying symbols are Asian-inspired, with the Koi Princess being the most lucrative.

An orchestral soundtrack accompanies the game, along with additional sound effects when certain situations occur. There is no shortage of color with the slot Koi Princess, and the game also works well on desktop and mobile platforms.

Game Symbols

10-A royal symbols feature in the Koi Princess slot. High-paying symbols are coins, a frog, a dragon, and a Koi Princess. The wild symbol can substitute any other symbol to help form a winning combination. If you are lucky enough to land 3 scatters, 1 free spin, and 1 bonus feature will be activated. The table below shows the potential payouts of each symbol in the slot machine Koi Princess.

Symbol 3x 4x 5x
10 Symbol 5 20 100
J Symbol 5 25 110
Q Symbol 5 30 120
K Symbol 10 40 140
A Symbol 10 50 160
Coins Symbol 20 75 200
Frog Symbol 20 100 250
Dragon Symbol 30 150 300
Koi Princess Symbol 40 200 400
Wild Symbol 100 300 500

Koi Princess RTP, Bet Sizes, Paylines, & Variance

The Koi Princess RTP is 96.23%. This is just above the average compared to other slots found at online casinos in the US. The low volatility means that payouts are more frequent but smaller in size. You can bet from 0.20 to 200 per spin, a range that will cater to the majority of players.

Koi Princess Online Game Features

Koi Princess casinos attract players through a variety of features. The features below add to the entertainment and potential rewards when you play this NetEnt slot.

  • Wilds – The wild can replace all other symbols on the reels to help create a winning combination. It also offers a payout when 2+ land on a payline.
  • Bonus Bet – You can activate the bonus buy feature at any point. However, it will cost you double your stake for each spin. Bonus buy increases your chances of triggering a bonus game.
  • Random Wilds – 1-4 bonus features can be triggered on each spin. When activated, players must choose from 3 Koi carp. The 5-hit random feature, random wild feature, wild reels feature and bonus activate feature are options.
  • Autoplay – The autoplay feature allows players to spin the reels without lifting a finger. It is available from 10-1,000 spins. Advanced settings can be used to stop autoplay after any win or in other situations.

Koi Princess Bonus Features

For a slot released in 2015, the number of Koi Princess bonus features is surprising. This is certainly a nice surprise for players. We have outlined the different bonus features below.

Free Spins Bonus Round

Free Spins Bonus Round

The sure win bonus instantly awards players with 10 free spins. 1 overlay is added to reels 1, 2 or 3 during the opening 5 free spins. During the next 5 free spins, an additional wild will appear on reels 3, 4 or 5. The wild reels bonus also awards 10 free spins. For each, 1-5 reels will fill with wild symbols.

Random Bonus Features

Random Bonus Features

Random bonus features are broken down into the four categories below, which can be triggered on any spin.

  • 5-Hit Feature – Guarantees that you will earn a 5-of-a-kind payout on the following spin.
  • Random Win Feature – 1 free spin is awarded and 4-9 overlay wilds are added. The position of the wild determines the payout.
  • Wild Reels Feature – 2-5 reels are filled with wilds to give you a better chance of earning a large payout.
  • Bonus Activation Feature – Players selecting this bonus will trigger the main bonus game.
Bonus Wheel

Bonus Wheel

Landing on a multiplier will boost your payout from 1x to 5x. The bonus wheel offers a maximum payout of 1,000x your bet. Work your way to the center of the wheel by landing on arrows.

Other Slots Like Koi Princess Online

You can play Koi Princess free or for real money. If you enjoy this type of game, then you’ll be pleased to learn that this is one of many slots that share the same theme. To give you an idea of what you get to look forward to, we’ve outlined some of the best alternatives to Koi Princess by NetEnt below.

Koi Koi Treasure

Koi Koi Treasure

Koi Koi Treasure

Released by Habanero in 2024, Koi Koi Treasure is a 5-reel slot that offers a 1,400x max win. The 96.77% RTP is higher than Koi Princess. The slot is set underwater and features impressive artwork. Symbols are made up of different colored gems and flowers. You can bet from 0.28 to 140 per spin, with 28 paylines active.

Lucky Koi Exclusive

Lucky Koi Exclusive

Lucky Koi Exclusive

This Spadegaming slot has an Asian theme, 20 paylines, and a 1,001x max win. The graphics are basic, with a gold Koi fish acting as the wild symbol. The 96.52% RTP is just above average, with mystery symbols, free spins, and a money tree bonus attracting players.

Koi Harmony

Koi Harmony

Koi Harmony

Koi Harmony is a video slot from Playtech. With 3 reels, a 96.47% RTP free spins, this Asian-themed game features different colored fish. The 1,776x max payout is greater than the Koi Princess big win, with this underwater slot released in 2022.

Tips for Playing Koi Princess at Casinos Online

The main objective of playing at Koi Princess casinos is enjoyment. However, there are some steps to take that will boost your experience. These are our 5 expert tips to follow.

Tip #1: Play for FreeTip #2: Choose Your Coin ValueTip #3: Use AutoplayTip #4: Make Use of BonusesTip #5: Be Patient

Tip #1: Play for Free

Be sure to play Koi Princess for free to begin with. The demo game makes it easy to master the gameplay and different bonus features.

Tip #2: Choose Your Coin Value

Before you start spinning the reels, remember to set the level and coin value. You can view the total stake per spin at the bottom of the screen. Choose an amount that suits your budget and targets.

Tip #3: Use Autoplay

Autoplay is a feature worth using. Available from 10 to 1,000 spins, this means that you can concentrate solely on the symbols landing on the reels. We recommend using the advanced settings to stop the feature if a bonus is triggered.

Tip #4: Make Use of Bonuses

Almost every offshore casino site will offer generous bonuses. However, not all of these bonuses can be used to play slots. Be sure to find a site that offers rewards like free spins, reloads, and deposit match bonuses that can be used to play Koi Princess online.

Tip #5: Be Patient

While the low volatility means that payouts are frequent, you should not expect to win big with each spin. Remain patient and keep the volatility in mind when spinning the reels.

Can I Play Koi Princess on Mobile?

You can play the Koi Princess demo game and real money version on mobile casino sites and apps. NetEnt uses HTML5 technology to ensure that the slot is efficient on smartphones and tablets. During our review, we found that the mobile version is identical to the desktop version. The game also runs seamlessly and glitch-free regardless of the device you choose to use.

Our Final Thoughts

This Asian-inspired slot is packed with bonus features. With equally impressive visuals, Koi Princess is one of the most popular NetEnt slots online. It’s compatible with most devices and the game has an above-average RTP and a bet range that will appeal to most players.

You can play Koi Princess on many gambling sites, however, we recommend trying it out at Lucky Block. This casino is home to thousands of games, including slots from NetEnt and other industry-leading providers. There’s a generous welcome bonus, ongoing promotions, and more designed to enhance your overall gambling experience

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Playing Koi Princess Should be Fun – Gamble Responsibly

Playing Koi Princess is convenient and enjoyable. However, it can become addictive which is why it’s important to gamble responsibly. Only bet what you can afford to lose, never chase losses, and take regular breaks.

The best online casinos offer tools like deposit limits and self-exclusion to make this easier. The organizations below also offer support and additional information on problem gambling in the US.

FAQ

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About ReadWrite’s Editorial Process

The ReadWrite Editorial policy involves closely monitoring the tech industry for major developments, new product launches, AI breakthroughs, video game releases and other newsworthy events. Editors assign relevant stories to staff writers or freelance contributors with expertise in each particular topic area. Before publication, articles go through a rigorous round of editing for accuracy, clarity, and to ensure adherence to ReadWrite's style guidelines.

James Fuller
Editor

James Fuller is a sports journalist based in Bath, England. Specializing in sports and iGaming, he has worked for a variety of leading online publications in the past, including MailOnline and Coral. James also has a degree in Sport & Leisure Management from Sheffield Hallam University. He also has a certificate in Football Communication & Digital Media from the Sports Business Institute in Barcelona, which James has used to help brands enhace their following and reputation on online platforms. With almost a decade of experience in sports writing to his name, James has received outstanding feedback from existing and former…

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