idle koi!
Hatch koi eggs, breed unique bloodlines, evolve rare traits, and send 3-koi teams into idle battles. Build a living collection where genes, rarity, lineage, and battle growth decide every koi's value.
Last Updated: 6/18/2026
| Steam App Id | 4855670 |
idle koi!
Hatch koi eggs, breed unique bloodlines, evolve rare traits, and send 3-koi teams into idle battles. Build a living collection where genes, rarity, lineage, and battle growth decide every koi's value.
Last Updated: 6/18/2026
- Windows
- Mac
- Linux
About idle koi!
idle koi! is a game. It was released on the Steam Store.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, idle koi! supports the following features:
- In-App Purchases
- Multi-player
- Family Sharing
Media & Sceenshots
Watch the featured video for idle koi! and see the latest screenshots from the Steam Store.
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Features & Categories
Frequently Asked Questions
Soures & References
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idle koi! data has been sourced from:
- Valve Corporation. (2026, June 18). idle koi! on Steam. Steam Store.
- Valve Corporation. (2026, June 18). idle koi!. Steam Community Hub.
- undefined. (2026, June 18). idle koi!. idle koi!.