CryptoKitties are interesting but expensive. The focus of these blockchain work is on superb races, collectibles, and creatures that might be called CryptoKitties. Users can create their own cats and then sell them to special game lovers at a high price. Regarding the crypto kits themselves, how unique they are. It became one of the most popular games, but it no longer provides any exact benefits. In addition, it is difficult after registration because customers have to download wallets to store all their assets, but they cannot use their own. Let us remember that this may be a blockchain effort backed by the useful resources of Ethereum, so all transactions using this alternative currency hope to be first-rate. Because it provides some curiosity that no longer exists today, they are no longer unusual games. First of all, each cat created is unique and cannot be copied or edited. Delete or destroy anyway. Once created, they are stored on the blockchain and can of course be updated, but after experiencing tremendous growth, they are painstakingly completed. Overall, this effort only provides some free operating methods and usage methods for game lovers, but the cost is high, which makes it both expensive and unique compared to dedicated blockchain games.