- Throughout the past decade, mixed martial arts has gained a global following. With champions from all over the world, it’s hardly surprising that MMA is now one of the fastest-growing sports, with organizations such as Bellator, One Championship, and the Ultimate Fighting Championship spearheading its rise. Following its recent real-world success, the all-action blend of various fighting styles has crossed over into the gaming world. Along with console productions like UFC 4, mobile management titles, such as MMA Manager, have also hit the market. So, let's take a look at the Prey Studios development.