Koi - Aquarium vs Idle Koi Fish - Zen Pond fun Usage & Stats

* How to play There are no difficult elements, basically you just look at the beautiful carp and goldfish. Move your point of view and observe the carp and goldfish from various angles. * How to increase carp and goldfish? Tap to increase the favorability of carp and goldfish, and you can also purchase the number of carp and goldfish by exchanging favorability for diamonds (in-game currency) at the shop. You can also get diamonds by watching mini games and advertisements, so please use it.