The gaming world’s collective eyes will be on Las Vegas this weekend when the Fighting Game Community gears up for the annual Evolution Championship Series. This group of tournaments gathers the best players from around the world to compete in the industries most popular and mechanically sound fighting games for the chance at big money prizes and glory, of course. But what about the games you won’t see there?
Though video games are often more fun when shared with friends, developers tend to have a hard time with sharing their ideas with others. They've gotten better at it over time, especially in Japan, but it's still pretty uncommon to see franchises cross over into each other. When they do, however, people tend to get excited, as big businesses put aside their differences to deliver a fan's dream match-ups or team ups. Here are the 10 best crossovers, team ups, and special guest stars in video games.