Language in which cryptokitties is programmed

Question

I am trying to understand how to develop a program similar to CryptoKitties. I think it uses JS to connect to Metamask and uses its own private blockchain for kitties entity.

I know CS and I am learning JS ES6 and would like to understand what I would need to develop a similar application.

Answer 1

Cryptokitties is built on the Ethereum network.
The program is coded in Solidity.
ether is necessary to fuel transactions, which include purchasing and breeding CryptoKitties.
CryptoKitties is a non-fungible token ERC #721 that is indivisible and unique.