define cosplayElucidate cosplay plainly. Costume play involves dressing up and pretending to be a specific character from an video game. It has immensely popular among fans of geek culture around the world. Fans thoroughly design costumes and accessories that accurately reflect their favorite characters. Costume players commonly participate in gatherings or costume play events, where they can exhibit their creativity and connect with others who share the same passion. In the end, cosplay is an manifestation of admiration and commitment for a fictional character and a love for the geek community.