Climb the mountain in Koi Falls: Flowing Fortune, where Koi fish swim up the waterfalls to grow their wealth.
Demo opens in a player on this page. Play-for-fun credits only, 18+.
Climb the mountain in Koi Falls: Flowing Fortune, where Koi fish swim up the waterfalls to grow their wealth.
Grow the Koi all the way to guarantee a Must Hit cash prize. In the Hold & Win bonus game, rows at the top of the mountain unlock with multipliers, so the potential climbs as the board fills. High volatility on a 5×3 grid with 243 ways.
Live in the UK, Sweden, Denmark, Ontario, Alberta and more.
Koi Falls: Flowing Fortune has a return to player of 96.23% / 94.4% / 92.74%. Operators choose the RTP profile per market.
Koi Falls: Flowing Fortune has high volatility.
Koi Falls: Flowing Fortune plays on a 5×3 layout with 243 ways.
Must Hit cash prize, Hold & Win bonus game, Row unlocks with multipliers, Fixed prize pots, Collection, Free Spins and Wilds.
Yes. Press "Play the demo" on this page to try Koi Falls: Flowing Fortune with play-for-fun credits. No account is needed. 18+ only.
Koi Falls: Flowing Fortune was released on 22 October 2026.
Yes. Koi Falls: Flowing Fortune is built in HTML5 and runs in mobile and desktop browsers, so there is nothing to download. The same build is served to every device through the Wiener Games remote gaming server.
Koi Falls: Flowing Fortune was developed by Wiener Games, a game studio in Sofia, Bulgaria, that has built slots and other casino games since 2014. It is distributed by Fantasma Games.
Koi Falls: Flowing Fortune is available through the Wiener Games remote gaming server with a single integration, inside the Trinity Turnkey casino platform and via aggregator partners, and it is distributed by Fantasma Games. Branded and exclusive versions can be produced on request.
Available on our RGS, through Trinity Turnkey and via our aggregator partners. Exclusive branded versions can be produced by the same team.
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