CryptoKitties is a blockchain-based virtual game that allows players to adopt, raise, and trade virtual cats, and it represents one of the earliest attempts to deploy blockchain technology for recreational...
Definition #2 for "cryptokitties"
CryptoKitties is a collectible cat-breeding video game built on the Ethereum blockchain computer platform, allowing for digital scarcity. The game allows users to buy, sell, trade and breed digital cats with the intention of collecting the rarest kitties possible. Each kitty has a different set of attributes, with some of those characteristics being rarer than others. Within a week of launching users had already spent more than $6.7 million on the game.