Twelve champagne coupes, twelve coasters, and two pink pong balls. Beer pong, except nobody has to drink warm beer.
The swap works better than it sounds. A coupe holds five ounces, so a full round is a reasonable amount of champagne rather than a punishing one, and the wide shallow bowl is a genuinely harder target than a cup, which makes the game last longer. The coasters give each coupe a base so the rack sits flat on any table.
Set it up for a bridal shower, a bachelorette, a Galentine's night, a New Year's Eve party, or any birthday where the plan is to stay in. It packs down small enough to bring to somebody else's house, which is where most of these games actually get played.
How do you play champagne pong? Arrange the coupes in a triangle at each end of the table and fill each with a small pour. Teams take turns throwing a ball into the opposing glasses. When a ball lands, that glass is drunk and removed. First team to clear the other side wins.