Download Half Life 2: Citadel Portal Animated [Ultra wide] 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. Half Life 2: Citadel Portal Animated [Ultra wide] Wallpaper is part of the Half-Life 2 collection.