idle koi!
Ann Games · 2026 · Casual, Strategy, Turn-Based Strategy, 2D, PvP
PC
Best price
Free
This game is free to play.
About 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.