Explain cosplay in layman's terms. Costume play is all about dressing up and pretending to be a specific character from an anime. It has become a huge sensation among fans of geek subculture around the world. Fans carefully design costumes and props to accurately portray their favorite characters. Costume players frequently attend events or costume play events, where they can showcase their creativity and connect with others who share the same passion. Ultimately, costume play is an expression of admiration and dedication for the fictional character and the love for the nerd community.