■Can you become a "Cat of Cats"?
“Nyanvy" is a mysterious creature that may or may not be a cat.
There is only one way for "Nyanvy" to become a "Cat of Cats" to survive the big battle without falling off the stage!

■There are many ways to become a "Cat of Cats", whether by yourself or in a large group!
This title can be played by one to a maximum of six players.
In Arcade Mode and Survival Mode for one player, players fight against the mysterious "Nyanvy Army" that appears one after another!
Also, it supports both local and online play, and can be enjoyed not only with friends and family nearby, but also with friends far away.
You can either pursue the "Cat of Cats" alone or team up with your friends to defeat the "Nyanvy".
Enjoy the various ways to have fun!

■Customize "Nyanvy" to your liking!
You can transform "Nyanvy" into your very own creation with the vast options of facial features, ears, and accessories.
It doesn't matter if it looks like a cat or not! Let's make your own indescribably cute "Nyanvy"!

More details on the official game page of Nyaaaanvy ...