CoinShilling - Crypto activity on Reddit, Twitter, Telegram and Steemit
SpaceVR - Explore space with Oculus Rift (pre-launch)
Crypto Central - Bitcoin & cryptocurrency portfolio tracker 💸
Astronaut - You're an astronaut. Click to watch random videos in space.
Blockfolio - Blockfolio offers complete Bitcoin and Altcoin cryptocurrency management, with easy to use tools to keep track of all your crypto investments.
NASA Exoplanet Posters - Imagine visiting worlds outside our solar system