Years eve adult party games new Ads. With a few of these mixed into the evening, your guests won't want the new year to arrive! Find as many events as you can that took place in the past year. During the party, gather all the teenagers in a quiet room and instruct them to each take a piece of paper from the bucket or bowl. To kick off the new year on the right foot, there are a couple of mandatory staples any host needs: a countdown, cocktails, and good company.