A costume party is a social gathering where guests wear costumes, often themed around a specific idea, character, or era. These events can be held for various occasions, such as Halloween, birthdays, or themed celebrations. Participants often enjoy showcasing their creativity and imagination through their outfits. At a costume party, activities may include games, dancing, and contests for the best costume. Guests might dress as characters from movies, books, or history, and the atmosphere is usually festive and fun. Popular themes can include superheroes, fantasy, or historical figures, encouraging attendees to engage in playful interactions.