The crypto market is undergoing a global expansion. Today, you don’t even have to invest in order to earn crypto. To get some free coins, you can try crypto airdrops or get a debit card with a crypto cashback. Or, you can play games. Games with cryptocurrency rewards are definitely not new, but they are getting a lot of traction lately. The latest crypto trend, NFT, produced a lot of games with real rewards. There are also others that you might want to try.CryptokittiesCryptokitties Are Still...