Horizon City Unofficial Fix v1.0 is a release file of the Minecraft map Horizon City - Zombie Apocalypse Unofficial Fix, made for Minecraft 1.15, 1.16, 1.13, 1.14. It was published on September 20, 2020 and is 3.2 MB in size. For the full description, screenshots and every other version, visit the Horizon City - Zombie Apocalypse Unofficial Fix map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.