Koi Princess Slot Review

⭐ 8/10
Create by: NetEnt
Review by:
Posts by Michael White
Updated: November 29, 2025

Koi Princess is a Average volatile slot from NetEnt with an RTP 96.23% and up to x1000 maximum win. Play demo for free.

Koi Princess Slot Demo

Software
Release Date
2015-11-24
RTP
96.23%
Max Win
x1000
Volatility
Average
Bet Range ($,€,£)
0.1 - 200
Number of Reels
5
Betways
20
Features
Anime, Asian, Bonus Bet, Bonus Wheel, Dragons, Nudges, Random Wilds, Wild Reels

Koi Princess Slot Review: Introduction to the Enchanting World of Koi Princess

I have played Koi Princess since it launched, and it still feels fresh. NetEnt wrapped a classic 5x3, 20 payline engine in bright anime styling, with the princess standing beside the reels and a koi pond behind. Wins flow from left to right, backed by soft Japanese music and water sounds. The whole set-up feels light, fast, and perfect for longer sessions.

What keeps me hooked is how busy the base game feels. You get random features jumping in, four main bonus rounds waiting, and even a Bonus Bet button if you want more action per spin. It still sits in that medium volatility sweet spot. I can grind smaller wins, then suddenly hit a run of features that turns an average session into something far more memorable.

Koi Princess slot screenshot

Gameplay in Koi Princess

When I fire up Koi Princess, I always start by setting coin value and bet level. The slot runs on 5 reels, 3 rows, and 20 fixed paylines, so every spin covers the whole grid. You aim for matching symbols from reel one onwards, with the wild filling gaps. You can spin manually or let autospins handle long stretches while you watch for feature triggers.

The Bonus Bet option is where Koi Princess gets spicy. I flick it on when I want more random features and bonus rounds, knowing the stake goes up too. Some features even use extended reels under Bonus Bet, which adds extra positions. I like to keep it off while I learn a new casino or warm up a bankroll, then switch on for focused bursts.

Koi Princess Slot Game: Symbols, Wilds, and Payouts

Koi Princess packs a tidy symbol set that fits the oriental theme. Low pays are the familiar card ranks A, K, Q, J, and 10, styled with Japanese touches. Premiums include the koi princess herself, a golden dragon, a green frog, and stacks of coins. Five princess symbols on a line pay up to 400 coins, while the dragon, frog, and coins step down from there.

The wild symbol does the heavy lifting in Koi Princess. It substitutes for regular symbols and also pays on its own, with five wilds delivering 500 coins on a payline. During Random Wilds, Wild Reels, and some free spin rounds, you see overlay wilds dropped across the grid. Those extra wilds can weave several lines together at once, which is where big base game hits appear.

I always skim the paytable before a real money session, just to reset values in my head. It shows exact payouts for each symbol at your current bet level and highlights how bonus symbols behave. Three bonus icons on reels one, three, and five kick off a feature, while koi carp animations can also nudge you into a round. Once you know the pays, variance feels far less scary.

Symbols and Paytable

Symbol Quantity Payout
icon 1 Wild
5 x25
4 x15
3 x5
2 x0.2
icon 2 5 x20
4 x10
3 x2
2 x0.1
icon 3 5 x15
4 x7.5
3 x1.5
icon 4 5 x12.5
4 x5
3 x1
icon 5 5 x10
4 x3.75
3 x1
icon 6 5 x8
4 x2.5
3 x0.5
icon 7 5 x7
4 x2
3 x0.5
icon 8 5 x6
4 x1.5
3 x0.25
icon 9 5 x5.5
4 x1.25
3 x0.25
icon 10 5 x5
4 x1
3 x0.25
icon 11 Scatter

A Cascade of Features: The Bonus Rounds of Koi Princess

I play Koi Princess mainly for its features. Four Random Features can land on any spin: 5-Hit, Random Wilds, Wild Reels, and Bonus Activation. When the koi leap from the pond, you pick one and the game awards a single boosted spin. You might see a guaranteed five-symbol win, a scatter of 4 to 9 overlay wilds, or up to 5 full wild reels smashing across the board.

The main bonuses in Koi Princess sit behind the Bonus Wheel and free spin modes. Three bonus symbols on reels one, three, and five, or a Bonus Activation hit, drop you into a picker. From there you can land Coin Win with a 15x to 30x multiplier, the multipart Bonus Wheel up to 1,000x, Sure Win Free Spins with guaranteed returns, or Wild Reels Free Spins with stacked wild columns.

Koi Princess Slot RTP, Volatility, and Payouts

Koi Princess runs with a stated RTP of 96.23% and sits in the medium volatility band. Over long sessions I see plenty of smaller wins, then stronger bursts when Random Features chain into a main bonus. The non-progressive jackpot is 1,000 times your stake, up to around two hundred thousand pounds at top bet. It is not a brutal high variance slog, but it can still swing hard.

Playing on the Go: Mobile Koi Princess Slot

On mobile, Koi Princess feels just as slick. NetEnt optimised it for iOS and Android, with clear buttons and a layout that works in portrait or landscape. I often run a few short sessions on my phone, tapping with a thumb while the princess cheers beside the reels. Random Features, Bonus Bet, and every free spin mode work exactly as on desktop, without any stripped-down shortcuts.

Koi Princess slot screenshot

Online Slot Koi Princess: Why You Keep Coming Back

For me, online slot Koi Princess hits a sweet blend of style and mechanics. The anime art, koi pond backdrop, and upbeat soundtrack keep things light, while the maths model gives enough action without draining a balance too fast. Random Wilds, Wild Reels, 5-Hit, and Bonus Activation pop up often enough that I rarely feel stuck spinning dead, even when the bigger features take a while.

I rate Koi Princess as a go-to when I want feature-rich gameplay but do not fancy extreme risk. You get Sure Win Free Spins, Wild Reels Free Spins, Coin Win, and the Bonus Wheel all layered over a simple 20-line engine. As long as I set a session budget, pick stakes that give me a few hundred spins, and walk away on a hot run, it treats me well.

Screenshots

Koi Princess slot screenshot 1
Koi Princess slot screenshot 2
Koi Princess Final Ratings
Theme & Symbols








Sounds & Music








Bonus Features








RTP (96.23%)








Max Win (x1000)








Originality








FAQs About Koi Princess

Can I play Koi Princess free slot?

Absolutely! You can enjoy Koi Princess for free on our website without registration. Our partner casinos of NetEnt also usually offer demo mode access.

Can I win real money on Koi Princess slot?

Yes, to win real money in Koi Princess, you'll need to create an account at a licensed casino site. You can then play for real and win up to x1000.

Can I play Koi Princess slot on mobile phone?

Yes, Koi Princess is fully optimized for mobile devices and runs smoothly on any devices.

Compare Koi Princess With Other Slots

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Dazzle Me 5 NetEnt 2015-08-24 Low 96.9% 0.2 - 200 x760 5 76
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Dracula 7.5 NetEnt 2015-04-24 Below average 96.58% x400 5 40
King of Slots 6.5 NetEnt 2015-03-30 Low 96.96% 0.25 - 250 x1000 5 25
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Steam Tower 7.7 NetEnt 2015-02-23 Average 97.04% 0.15 - 150 x2000 5 15
The Invisible Man 8.5 NetEnt 2014-12-11 Above average 96.3% 0.20 - 100 x1000 5 20
The Wish Master 9.3 NetEnt 2014-06-24 High 96.65% 0.2 - 100 x4500 5 20
Lights 6.5 NetEnt 2014-05-22 Average 96.1% 0.09 - 90 x1000 5 9
Wild Water 6.5 NetEnt 2014-03-24 High 96.36% 0.2 - 100 x2000 5 20
Koi Koi Treasure 7.5 Habanero 2024-06-25 96.77% 0.28 - 1400 x1400 5 28
Koi Kingdom 5 BF Games 2018-04-06 Average 98.08% 0.20 - 200 x300 5 20
Koi Pond 7.7 Pragmatic Play 2022-06-28 Average 95.50% | 96.44% 0.88 - 105.60 x2500 5 243 - 7776
Gold Koi Fortune 6 Habanero 2025-10-28 High 96.84% 0.25 - 5000 x18384 5 25
Elemental Princess 7 Yggdrasil Gaming 2020-10-23 High 96.66% 0.30 - 150 x1666 5 25