 The convention typically offers an anime music contest, an artists' alley, concerts, costume contests, a dealers' room, a formal ball, a masquerade, musical events, panel discussions, a rave, table-top games, tournaments, video gaming, and workshops.In 2007, the Midwest premiere of "" occurred at the Arena Grand Theatre during Ohayocon.In 2010, crowding was a problem during the rave due to space issues.