Case study

Digimon World 4: a matching PS2 decompilation

A work-in-progress matching decompilation reconstructs the USA PS2 release of Digimon World 4 as readable C and C++ source. The build compares recovered functions byte for byte with a user-provided retail executable and links remaining code from that executable; the author's progress report lists 76.5% of code bytes as fully matched.

Targets: Binary · Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-08

Stars: 0
Last commit: 2026-11-09
Language: C++

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Requires an x86-64 Linux system and a user's own Digimon World 4 USA SLUS-20836 disc image or executable.
Prerequisites: The build requires Python 3, GNU make, mipsel-linux-gnu binutils, wibo and the pinned compilers described in the installation guide.
Limits: The author reports 76.5% of code bytes fully matched; the decompilation remains unfinished.
License: Project tooling and documentation are dedicated under CC0 1.0; the LICENSE file gives separate terms for recovered game material.

Cite

BibTeX

@misc{digimon-world-4-decomp-case,
  title = {{Digimon World 4: a matching PS2 decompilation}},
  howpublished = {\url{https://github.com/crashbashash/DW4_Decomp}},
  url = {https://github.com/crashbashash/DW4_Decomp},
  urldate = {2026-11-08},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/digimon-world-4-decomp-case/}}
}

Plain text

Digimon World 4: a matching PS2 decompilation. https://github.com/crashbashash/DW4_Decomp (accessed 2026-11-08). Awesome REA entry: https://awesomerea.org/resources/digimon-world-4-decomp-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

README.md GitHub · crashbashash/DW4_Decomp · Revision 39dcd9f
PROGRESS.md GitHub · crashbashash/DW4_Decomp · Revision 39dcd9f
LICENSE GitHub · crashbashash/DW4_Decomp · Revision 39dcd9f