Halloween Games Online: Trick or Treat! We collected many fun Halloween Games for both boys and girls to play free online. You don't have to wait until Halloween to have some spooky fun! In these games, just feel free to try on the prettiest Halloween costumes, put on the scariest make-ups, shop necessary items, prepare delicious cookies and pumpkin pie, and enjoy your Halloween party. The sweet spot is you can share your fun with your favorite characters. Choose one of your favorite Halloween games and start to play free online now! Have fun!