change cats -a-ha!experience-

Brain training with pictures of cats!

The pictures of cats change gradually.
It is a simple game to hit where you changed.

There are 60 questions depending on difficulty level.
We are planning to add problems with future updates.

Since you can play from any questions,
let's challenge from the questions you understand!

It's the perfect app for killing time!
Come and clear all the questions with your friends!