Tranquil Koi 鯉の池 — Steam game overview

Stored observation / content update: 2026-10-26T02:04:32.000Z

Tranquil Koi is a relaxing idle game. Start with a humble pond and transform it into a breathtaking koi paradise! Buy and unlock over 100 vibrant breeds, raise them and sell them to grow your aquatic haven. Unlock decorations to design an aquarium that reflects your vision of tranquility.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.