BTS World for one year, and in honor of the anniversary, the mobile game developer announced a special update on Friday (June 26).The 1st Anniversary update includes a “Our Precious Memories!” web event, rewarding a five-star selector for the completion of all missions, as well as a draw event based on tracks from the BTS World original soundtrack. The “Our Precious Memories!” web event will run from June 24 to July 7.That's not all.