Q4. Which are the top companies hold the market share in the Cosplay Costumes Market? Q3. Which is the base year calculated in the Cosplay Costumes Market report? What is the total market value of the Cosplay Costumes Market report? If you have recently got into cosplay and have been wondering whether it’s okay to buy complete costumes, you’re in luck. I think there were 100 to 110 people actually competing, and then there were another 10 or so that just got to walk across the stage at the very end for fun.