Kitty Numbers-Merge Kitties

> Merge two same cats to unlock a higher-level cat
> Stars and dried fish are the rewards in the game. With stars and dried fish, you can buy items to decorate the stage
> The game has both homepage mode and recruit mode. When you merge out a relatively high-level cat breed, you can start recruit mode. There are numerous levels in recruit mode waiting for you
> Every time you enter the recruit mode, you need to cost 1 heart