Whimsy Koi

An idle pond management game about collecting magical koi

Ting LY · Coming soon

Release: Coming soon; not released yet
Wishlist rank: –; outside the top list
Followers: –; following the game
Demo: 0 playing; Get the demo

What is Whimsy Koi?

Whimsy Koi is an idle game where you manage ponds and collect hundreds of koi designs, from patterns based on real fish to magical varieties. You customize decorations, lighting, backgrounds, and effects, and discover interactions between koi that unlock new fish, rare decorations, and hidden items.

Screenshots and trailer

Whimsy Koi system requirements

Minimum: 4 GB RAM, 1 GB of disk space.

As published by the developer.

Can my PC run Whimsy Koi?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

OS: Windows 10, Windows 11
Processor: Dual-core 2.5 GHz or better
Memory: 4 GB RAM
Storage: 1 GB available space

Does Whimsy Koi have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Whimsy Koi run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Text only: English, Simplified Chinese, Traditional Chinese.

Does Whimsy Koi use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Nov 7, 2026. How to filter AI games on Steam