OPDH1.3.zip is a release file of the Minecraft resource pack Outbreak Protocol: Dead HorizonRSC, made for Minecraft 1.20.1. It was published on July 25, 2026 and is 0.3 MB in size. For the full description, screenshots and every other version, visit the Outbreak Protocol: Dead HorizonRSC resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.
