You can get clothing pins and give each person one and whoever says baby gets theirs taken away by whomever heard them say it. Baby word search. Drinking soda out of a bottle the fastest.
Also dollar tree has baby shower games
You can put little saftey pins in rice and find them blind folded. Use colored clothes pins amd give them to each person and if they cross any body part the person who sees takes it . Baby bingo. Guess how big your baby bump is with a ribbon and everyone cuts a piece of howbbig they think it is and closest one wins