Games support communication for adults and kids! Here are some of my activities, so you can see what I mean:

silly questions for adults

 ja, nein - game for kids and adults

fun games for kids

We all like to create mini stories

picture flashcards are good for kids

interesting topics for adults

my favourite activity for kids 'Hand' can be used to practice anything in German
inspiration from Macmillan Education global teachers festival 2021

'What kind of meeting do lizards have? Why do they need this meeting? Create the context together - let's go' :)
This activity for adults needs no comments :D

'Taboo' vocabulary game for adults