Download Fortnite’s Fortnitemares event will begin on Oct. 24 Wallpaper from the all Widescreen (4K 5K 8K Ultra HD resolutions) for mobiles, tablets and desktops devices with Microsoft Windows / Apple iOS & MacOS / Android / Linux and other devices. Fortnite’s Fortnitemares event will begin on Oct. 24 Wallpaper is part of the Fortnitemares collection.