https://archiveexplorer.com/formats/pk3
PK3 / PK4 (Quake engine) file format — extraction guide and software | Archive Explorer
PK3 (Quake III) and PK4 (DOOM 3) are simply renamed ZIP files holding game assets. The Quake III engine and its many descendants (ioquake3, OpenArena, Trem
quake enginefile formatextraction guidesoftware archiveexplorer
https://rpgdon.com/news/hot-news-pervyij-quake-peredelyivayut-na-unreal-engine-4/
HOT NEWS - Первый Quake переделывают на Unreal Engine 4 — RPGdon
Фанаты Quake объединились в команду UE4Arch.
hot newsunreal enginequake