Activision PKR3

PKR

• Format Type : Archive
  
• Endian Order : Little Endian
  

Format Specifications

// Activision games
// PKR file format

// little endian

// Note: Data may be compressed with zlib


// header
4 bytes (char) - magic // "PKR3"
4 bytes (uint32) - tail offset

// data
num_of_files *
{
   x bytes - file data (compressed or not)
}


// tail
4 bytes (uint32) - unknown // "4"
4 bytes (uint32) - number of folders
4 bytes (uint32) - number of files


num_of_folders *
{
   32 bytes (char) - folder path + padding // "data\movies\Intro\" etc.
   4 bytes (uint32) - number of files in previous folders
   4 bytes (uint32) - number of files in current folder
}

number_of_files *
{
   32 bytes (char) - filename + padding // "Act02.bik"
   4 bytes - CRC32 value
   4 bytes (int32) - compression marker // "-2" - uncompressed
                                        // "2" - compressed
   4 bytes (uint32) - file offset
   4 bytes (uint32) - uncompressed file size
   4 bytes (uint32) - compressed file size
}

MultiEx BMS Script

• PKR3 scripts

Notes and Comments

• It seems that this file format is shared between few Activision games and it may be next version of PKR2 file format.

Games

List of games using this file format:

• Mat Hoffman's Pro BMX
• Spider-Man 2000

Compatible Programs

• PKR3 Editor
• Game Extractor
• spidey-tools / pkr_extractor

Gallery

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