https://cdnph.upi.com/ph/st/th/1321784740775/2026/i/17847409686371/v1.5/Fortnite-scare-zone-added-to-Universal-Halloween-Horror-Nights.jpg" /> Universal Studios announced Wednesday that Halloween Horror Nights will include 'Fortnitemare' scare zones based on the 'Fortnite' in-game event.