Halloween HD WallpaperInfo: Halloween (or Hallowe’en) is an annual holiday observed on October 31, which commonly includes activities such as trick-or-treating, attending costume parties, carving jack-o’-lanterns, bonfires, apple bobbing, visiting haunted attractions, playing pranks, telling scary stories, and watching horror films.Tags:Halloween,holiday,October,31,costume,party,apple,play,prank,watch,horror,film