Case study

Mega Man X4: byte-matching PlayStation source reconstruction

This is a matching decompilation of Mega Man X4 for PlayStation. The same C source builds byte-matching executables for the US release SLUS_005.61, the Japanese SLPS_009.02, and the European SLES_011.76, plus a native Linux port for the US and Japanese versions. The Sega Saturn build is non-matching.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-07
Evidence class: C2 code & docs, no demo or download

Stars: 38
Last commit: 2026-10-28
Language: C
License (GitHub): AGPL-3.0

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

The documented package install is binutils and gcc for mipsel, plus ninja. Then pip install -r requirements.txt, update submodules, and run compiler.sh.
The README names no license.

Cite

BibTeX

@misc{mmx4-decomp,
  title = {{Mega Man X4: byte-matching PlayStation source reconstruction}},
  howpublished = {\url{https://github.com/sozud/mmx4}},
  url = {https://github.com/sozud/mmx4},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/mmx4-decomp/}}
}

Plain text

Mega Man X4: byte-matching PlayStation source reconstruction. https://github.com/sozud/mmx4 (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/mmx4-decomp/

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Primary sources

README.md GitHub · sozud/mmx4 · Revision 4e16dfc