JPK1 (compressed archive)

File Format
Name	JPK1 (compressed archive)
Ontology	Electronic File Formats Archiving JPK1 (compressed archive) ; ; ;
Extension(s)	.jpk

JPK1 is the signature of a compressed archive format related to the JFX1 compressed file format.

It was used in things named "An Alien Lunch" and "The Eternal Game", by "JapoTek".

Identification

ASCII "JPK1" appears beginning 12 bytes from the end of the file.

The file most likely begins with "JFX1", the same as JFX1 format.