CryptoKitties - Breed and collect adorable creatures using Ethereum
Mars Genesis - 10,000 unique parcels of Mars stored on the blockchain
CryptoAlpaca - Adopt unique alpaca on blockchain and shear wools everyday
MetaMask.io - A crypto wallet & gateway to blockchain apps
Crypto Corgis - Crypto corgis live (and die) on the blockchain
Axie Infinity - Raise fantasy creatures called Axie on the Blockchain