Koi
Developed by Dotoyou Games · Published by Dotoyou Games
At a glance
Overview
An adventure, casual, indie game by Dotoyou Games, published by Dotoyou Games — single-player.
Steam’s own one-line description: “KOI is an award-winning exploration adventure game that details the story of a small koi on a grand adventure” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Koi.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | Yes |
| Partial controller support | No |
| Steam Cloud saves | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Window 7 sp1
- Processor: 2.0 Ghz
- Memory: 2 GB RAM
- Graphics: 128mb Video Memory, capable of Shader Model 2.0+
- DirectX: Version 9.0c
- Storage: 2 GB available space
- Sound Card: Any
Recommended
- OS *: Window 7/8/10
- Processor: Dual Core 3.0 Ghz
- Memory: 2 GB RAM
- Graphics: 256mb Video Memory, capable of Shader Model 2.0+
- DirectX: Version 9.0c
- Storage: 2 GB available space
- Sound Card: Any
Supported languages (5)
Koi FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Koi?
Steam classifies Koi as a Adventure, Casual, Indie game, developed by Dotoyou Games. KOI is an award-winning exploration adventure game that details the story of a small koi on a grand adventure
How much does Koi cost?
As of June 2026, Steam lists Koi at $0.99. Prices and regional pricing change — check the Steam page for the current figure.
Is Koi single-player or multiplayer?
Steam lists these modes for Koi: Single-player. It lists a single-player mode.
Is Koi on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Koi for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Koi out yet?
Yes — Steam lists a release date of Feb 22, 2019.
What platforms is Koi on?
Koi is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Koi single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Koi cost?
Steam lists it at $0.99.
Does Koi have achievements?
Yes — Steam lists 19 achievements for Koi.
Who made Koi?
Koi is developed by Dotoyou Games and published by Dotoyou Games.
Where to get Koi
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, Dotoyou Games.