All shapes and sizes of “undead” bodies roamed downtown Elgin Saturday night during the 13th annual Nightmare on Chicago Street, the zombie apocalypse in which bloody corpses delight in scaring the daylights out of those brave enough to enter the “Safe Zone.” This year’s street party was a sellout, with more than 18,000 guests, actors and volunteers filling the city center. Ghouls and zombies and other life forms roamed the streets of downtown Elgin during the 13th year of the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) High school student zombies try to escape a school bus during the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) One of the many decorations during the 13th year of the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) One of the many decorations during the 13th year of the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) Cassidy C and Vanessa C peer from a doorway during the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) Ghouls and zombies and other life forms roamed the streets of downtown Elgin during the 13th year of the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) The streets of downtown Elgin were packed Saturday night for the 13th annual Nightmare on Chicago Street street party.(H. Rick Bamman/For The Courier News) The Collective perform  during the 13th year of the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) Zombies and other life forms roamed the streets of downtown Elgin during the 13th year of the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) Ghostly spirits Andy Melchior, of Geneva, from left, Cristina Doornbos, of South Elgin, and Coleen Nelson roamed the streets of downtown Elgin during the 13th year of the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) Fire performers entertain during the 13th year of the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) Cirqd’ Freek Theater performers entertain in downtown Elgin during the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) Ghouls, zombies and other life forms roamed the streets of downtown Elgin during the 13th year of the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) Actors made up to look like zombies and ghouls took to the streets of downtown Elgin as part of the Nightmare on Chicago Street zombie apocalype street party on Saturday, Oct, 19, 2024, in downtown Elgin.(H. Rick Bamman/For The Courier News) Larkin High School zombie band members Jack Kuiawa performs during the 13th year of the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) Zombie cheerleaders Brooklyn Brewer, left and Payton Yarwood during the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) Ghoulish clown Andrew Gajda of Schaumburg checks his hair while roaming the streets of downtown Elgin during the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News) Ryan Loftus of Carpentersville of repels past zombies in a parking garage during the 13th year of the Nightmare on Chicago Street festival on Saturday, Oct, 19, 2024, in Elgin.(H. Rick Bamman/For The Courier News)