ChainMonsters is the very first “real” videogame 100% powered by Ethereum blockchain. While being a traditional game from a visual pov, it actually relies on blockchain and new technologies to handle ownership, attributes, game mechanics and so on.
Now with CryptoKitties integration!
https://youtu.be/M1bWGXWp5vM
OpenSea Chainmonsters digital asset marketplace: https://opensea.io/category/chainmonsters