Let's take a preview of some of the changes in this next installment of the MMA franchise by Grey Dog Software.WMMA5 puts you in the role of the matchmaker for an MMA promotion company. Preview World of Mixed Martial Arts 5: One Last RoundWorld of Mixed Martial Arts 5: One Last Round (WMMA 5) is currently in beta mode, with the official release on January 30th, 2018.