Explain costume play heart in simple terms. Costume play is all about dressing up and pretending to be a particular character from a comic book. This trend has a massive trend among fans of nerd subculture globally. People meticulously design costumes and props that accurately reflect their favorite characters. Costume players frequently participate in gatherings or cosplay events, where they can exhibit their creativity and meet others who share the same passion. Ultimately, cosplay is an form of appreciation and dedication for the fictional character and the love for the nerd community.