Adult Birthday Party Games. Any adult party game could be played as adult birthday party games at the party you are planning. Here are three really fun adult birthday party games and ideas: Birthday Bingo: Enjoy a bingo game! Create bingo cards where each square is something that is of interest to the birthday guy or gal, such as “Crossword. These birthday party games for kids aren't just for kids, they're for adults too! These games will thrill your guests and make for an unforgettable party! Great birthday games for all ages including a fun version of Left Right Center.