Quake PK3

File Format
Name	Quake PK3
Ontology	Electronic File Formats Game data files Quake PK3
Extension(s)	.pk3

Quake .pk3, used in versions 3 and up of ID Tech game engine and its derivatives, replaced the earlier Quake PAK format. It is actually in ZIP format, so this isn't a truly different file format, but it's included here so the extension can be looked up.