If you want to learn about Blockchain and Ethereum technology while playing, and also make money Cryptokitties might be a perfect game for you. It's werry fun and addictive, and it's about digital cats, what could possibly be better? :) . In this game you can buy,sell and trade digital cats. Each cat has it's own individual characteristics and pedigree, you can breed them to make your own unique cat, and if you want you could sell it. It is verry simple blockchain platform to use, everySee full review