hl2pack_28.05.2021.zip is a release file of the Minecraft resource pack Half-Life 2 Ported Textures and Models, made for Minecraft 1.16.5. It was published on May 28, 2021 and is 69.3 MB in size. For the full description, screenshots and every other version, visit the Half-Life 2 Ported Textures and Models resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.
