Steam is banning games that are built on blockchain technology or that allow the exchange of cryptocurrency and NFTs, establishing another hurdle for the world of blockchain games. Playable NFT video games are growing in popularity and a few have stuck out in the crowd, gaining considerable financial and commercial support. One company in particular, Mythical Games, announced a $75 million partnership in June, which will help it produce several NFT video games. One of its more popular titles, Blankos Block Party, is an open-world free-to-play game that is built on…