CriPakTools.exe -i game.cpk -x
.cpk archives, a proprietary storage format developed by CRI Middleware commonly used in Japanese video games. It is a foundational tool in the modding community for titles on platforms ranging from the PSP to PC. GitHub +2 Core Functionality The tool operates primarily as a command-line application, allowing users to interact with game archives through specific commands: GitHub Listing: Displays all file "chunks" contained within a CPK archive. Extraction: Can extract individual files or all contents simultaneously. Updating/Replacing: Unlike many simple extractors, it can replace existing files within an archive with modified versions, which is essential for applying mods. Steam Community +2 Versions and Development CriPakTools has a long history of community iteration, with many "forks of forks" existing to support specific game requirements: Origin: Based on original code by "Falo" from the XentaX forums, later modified by "Nanashi3". Popular Version: The repository maintained by esperknight on GitHub is one of the most widely cited versions for modding. Wmltogether Fork: Often recommended by The VG Resource Wiki for its stability and broader compatibility with niche titles like cripaktools