PK4 (file extension)
Encyclopedia
The PK4 file format is a .zip
file identical to the PK3 file format
. It has been used in Doom 3
, Quake 4
and other games using the id Tech 4 game engine
to store levels and other game files.
ZIP (file format)
Zip is a file format used for data compression and archiving. A zip file contains one or more files that have been compressed, to reduce file size, or stored as is...
file identical to the PK3 file format
PK3 (file extension)
A .PK3 file is a renamed ZIP file, used in games based on the Quake III engine. It usually contains a checksum to prevent the opening and recompression of the file, or the addition of extra maps to demo versions...
. It has been used in Doom 3
Doom 3
Doom 3 is a science fiction horror video game developed by id Software and published by Activision. An example of the first-person shooter genre, Doom 3 was first released for Microsoft Windows on August 3, 2004. The game was later adapted for Linux, as well as being ported by Aspyr Media for Mac...
, Quake 4
Quake 4
Quake 4 is the fourth title in the series of Quake first-person shooter computer games. The game was developed by Raven Software and published by Activision. Raven Software has collaborated with id Software, the creators and historical developers of preceding Quake games...
and other games using the id Tech 4 game engine
Game engine
A game engine is a system designed for the creation and development of video games. There are many game engines that are designed to work on video game consoles and personal computers...
to store levels and other game files.