Jul 26, · This movie is still highly entertaining, even for grown ups, so if you want to host a fun night in December, you don’t need many other adult Christmas party ideas. Santa’s Cup. Aside from the watch-and-take-shots movie inspired variety, the other most popular play format is drinking games with cards. The Spruce / Margot Cavin Christmas-themed games for adults will make sure that your next holiday party has plenty of festive cheer—and lots of laughter. Choose from icebreakers, guessing games, trivia, and other downright hilarious Christmas party games for adults. You'll find some great games, no matter your party size or average age.