CryptoKitties - Breed and collect adorable creatures using Ethereum
SpaceX Falcon 9 Lander - Try (and fail) to land Elon Musk's SpaceX rocket
CryptoAlpaca - Adopt unique alpaca on blockchain and shear wools everyday
SpaceVR - Explore space with Oculus Rift (pre-launch)
CryptoFighters - Collect, train and battle with unique fighters with Ethereum
The Size of Space - An interactive visualization of the universe