Explain cosplay plainly. Costume play involves dressing up and pretending to be a specific character from a TV show. It has a massive trend amongst fans of geek subculture internationally. Fans diligently design outfits and props in order to faithfully represent their favorite characters. Costume players commonly participate in conventions or cosplay events, where they can exhibit their creativity and connect with like-minded individuals who share the same passion. Ultimately, costume play is an manifestation of appreciation and dedication for a fictional character and a love for the geek community.