- Come in Costume! Wear clothes that represent the 80s... or Christmas... or an 80s Christmas! Prizes awarded for the "Best Dressed." - Christmas Ornament Exchange! Bring a wrapped Christmas ornament or... be creative and bring an 80s themed ornament to exchange. - 80s Trivia. Study up on your 80s movies, music, and TV shows because the winning team gets a BIG PRIZE! - Pizza, sides, and desserts.