Trading card games are kind of the craze in the blockchain community. Games like splinterlands and the gods unchained type of the duel based games are rewarding too. I have written article on readcash on why BCH needs such type of the game on it's chain. If you are interested then do give it a read :) Check out the article: https://read.cash/@esmeesmith/why-bitcoin-cash-smartbch-needs-trading-card-games-b40ee8ba