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Koi Princess Slot Review

Koi Princess is a bright, anime-inspired slot from NetEnt, released on 24 November 2015. It draws on Asian pop culture, with a cheerful princess, koi ponds and colourful characters on a 5×3 grid with 20 lines. What sets it apart is how much can happen on any single spin: four random features can strike at any time, and three Bonus symbols award one of four different prizes.

It is a medium volatility game with a 96.23% RTP and a 29% hit frequency. NetEnt lists the top win at 1,500x the stake, and the bet range is unusually wide, from €0.20 up to €400 per spin.

An anime world of koi and lanterns

The reels sit over a pastel landscape with cherry blossoms and paper lanterns. Characters drawn in a classic anime style, led by the princess herself, are the top symbols, and simpler symbols fill the lower end. The music is light and upbeat, and the animations are playful without getting in the way.

It is a light-hearted theme, and the game never tries to be serious. If you enjoy colourful slots with a bit of personality, it is one of NetEnt’s most charming releases from that period.

Four random features on any spin

Every base game spin has a chance of triggering one of four random features. Only one can activate per spin, but they appear often enough to keep the base game interesting.

5-Hit

You get one spin with a guaranteed five-of-a-kind win on a random symbol and line.

Random Wilds

Between 4 and 9 overlay Wilds are placed randomly on the reels for one spin.

Wild Reels

Between 2 and 5 reels turn completely Wild for one spin. Several full Wild reels can produce some of the best base game results.

Bonus Activation

You get one spin that shows three Bonus symbols, but no line wins, and one of the four Bonus Features is awarded.

The four Bonus Features

Three Bonus symbols on the reels award one of four Bonus Features at random. You do not choose which one you get, and each plays very differently.

Sure Win Free Spins

You start with 10 free spins. After the first spin, every spin pays at least as much as the biggest win so far in the round. On the first spin, the guaranteed minimum is your bet. During spins 1 to 5, one overlay Wild is placed on reel 1, 2 or 3, and from spin 6 a second Wild is added on reel 3, 4 or 5.

Wild Reels Free Spins

You get 10 free spins, and on each one between 1 and 5 random reels are covered with Wilds. The number and position of the Wild reels change every spin. Extra free spins cannot be won in this round.

Coin Win

An instant prize of your bet multiplied by a random value between 15x and 30x.

Bonus Wheel

A three-tier wheel with 12 spaces on each tier. You roll a die to move around it, starting on the outer tier. Spaces can pay coin prizes of 2x, 3x or 5x the bet, double all the multipliers still on the wheel, end the game with Collect, move you one tier inwards with an arrow, or award one of the two free spins rounds. An arrow on the inner tier wins the Jackpot Coin Win in the centre, a multiplier between 25x and 1,000x the bet that is drawn for each round. The top values need two Double Up spaces along the way.

RTP and volatility in Koi Princess

NetEnt lists the RTP at 96.23%. That is a long-run average over millions of spins, and some casinos run lower versions, so check the game info. Our slot RTP guide explains how it works.

Volatility is medium. The random features add regular wins, while the Bonus Wheel and Sure Win Free Spins deliver the bigger moments. The top win is 1,500x the stake. Older reviews sometimes listed a fixed euro amount, but the multiplier is the figure that matters, because it scales with your bet. For calmer games, see our low volatility slots guide.

A very wide bet range

Stakes run from €0.20 to €400 per spin, which makes Koi Princess suitable both for small budgets and for high rollers. A higher stake raises every win in euros but does not change how often the features appear. There is also a Bonus Bet mode that raises the cost of each spin from 20 to 40 coins and adds an extra x1 coin space to the Bonus Wheel, so read the game info before you switch it on.

A stake that gives you a few hundred spins is a sensible starting point. If you play for real money, our fast payout casinos page lists sites that process withdrawals quickly.

Koi Princess on mobile

Koi Princess runs in HTML5 in mobile browsers on Android and iOS, with the same features and RTP as on desktop. The bright art looks great on phone screens. Our iPhone casinos page lists sites that work well on Apple devices.

Where to play Koi Princess

Most casinos with NetEnt games list Koi Princess. Many also offer a free demo, which is a good way to see all four Bonus Features before you play for real. Compare our real money casinos and check the casino bonus terms before you deposit.

Koi Princess: what works and what does not

The game is packed with features, which is its biggest strength and, for some players, its weak spot.

• Lots of variety: four random features and four bonus prizes.
• Sure Win Free Spins: wins can only grow during the round.
• Bonus Wheel: a tense, dice-driven bonus with a jackpot-style centre prize.
• Wide bet range: from €0.20 to €400 per spin.

• Random bonus choice: you cannot pick the feature you want.
• Busy screen: lots of animation on a small phone.
• Moderate top win: 1,500x is fine but not huge.

Is Koi Princess worth playing?

Koi Princess suits players who like a lot of variety and a light, colourful theme. It is busy, generous with small features and has a bonus menu that keeps every trigger interesting. For more NetEnt games packed with random features, try Jumanji. For a darker theme with steadier play, Blood Suckers is a classic, and Narcos offers a more modern feature set.

Gambling is for adults aged 18 and over. Set a limit before you play, and see our responsible gambling page if you need help.

Koi Princess Slot FAQs

Answers on anime slots, free spins and the Bonus Wheel in Koi Princess.

Alina Silva

Author

[email protected]

Alina Silva runs the content team at CasinoKix. She writes and updates our casino reviews and player guides, with a focus on what European players need to know before they sign up: who actually runs the casino, which licence it holds, and what the bonus and withdrawal terms really say. Every review follows the same method, so licences are checked on the regulator’s own register and the company in the casino’s terms is matched against the licence holder. Spotted something out of date? Email alina (at) casinokix.io with the page link and she’ll take a look.