Therefore, calculate and

Festive games

Even if all the guests are adults, you can find some interesting games. It can be both table and outdoor games with different tasks. No need to force all guests to take part in games, expect that many at first will be shy and refuse. Therefore, calculate and look for several games for 3-4 people. Or let it be charades where the two most active people will participate, and the rest will be guessed.