Steam Early Access — a place where people can buy new PC games before theyre finished — started out strong. The phenomenal sales of DayZ and Rust showed how inventive new ideas could succeed in spite of being buggy and broken. But this week, the dark side of crowdfunding is rearing its ugly head. One Steam game has abruptly stopped development despite selling hundreds of thousands of copies, and another was kicked out of the program for misleading would-be buyers.