Define cosplay heart in simple terms. Cosplay involves dressing up and pretending to be a particular character from a video game. It has become immensely popular amongst enthusiasts of nerd subculture internationally. People carefully craft outfits and props to accurately portray their favorite characters. Cosplayers commonly participate in events or cosplay events, where they can exhibit their artistry and network with others who share the same passion. Ultimately, costume play is an form of appreciation and commitment for the fictional character and the love for the nerd community.