"Donut Chomp" game: Thread donuts on a long piece of string and make sure to leave space between each. Have the kids race to eat the donuts off of the string with their hands behind their backs. OR use something a little healthier than a donut :)
Halloween Charades Bad link but great idea.This Halloween game for adults takes the basic game of charades and puts it in a spooky setting using Halloween phrases and movie titles. There's also a lot of ideas here for more twists and word lists.