The recent 21-hour Astro Arcade competition has concluded, making way for Monopoly GO to reintroduce the exciting Supernova Smash challenge. This event kicked off on June 2nd and is scheduled to run for just a single day. Participants in the Supernova Smash tournament can earn a variety of fantastic prizes. To help players prepare, we've compiled a list of all the key milestones along with the...