Cryptab - Track the top 100 Cryptocurrencies in every new tab
QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
CoinShilling - Crypto activity on Reddit, Twitter, Telegram and Steemit
2016 Photo Challenge - Take a photo every day for 366 days
Blockchain Demo - Visual demonstration of blockchain technology
Woolah - Knockout Photo challenges with your friends.