Case study

Digimon Rumble Arena: matching PlayStation decompilation

Digimon Rumble Arena decomp reconstructs the Japanese and USA PlayStation releases as C and assembly that the author reports rebuilds the executable and 13 code overlays byte for byte. GCC 2.95.2, splat and objdiff support the matching workflow; remaining overlay functions are still assembly.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06

Stars: 7
Last commit: 2026-11-09
Language: C
License (GitHub): MIT

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: An original Japanese or USA game disc image.
Prerequisites: Linux build tools including MIPS binutils, Python and the specified GCC 2.95.2 workflow.
Limits: Many overlay functions remain as assembly.
License: MIT licence.

Cite

BibTeX

@misc{digimon-rumble-arena-decomp-case,
  title = {{Digimon Rumble Arena: matching PlayStation decompilation}},
  howpublished = {\url{https://github.com/ReGame-Labs/dtbe_decomp}},
  url = {https://github.com/ReGame-Labs/dtbe_decomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/digimon-rumble-arena-decomp-case/}}
}

Plain text

Digimon Rumble Arena: matching PlayStation decompilation. https://github.com/ReGame-Labs/dtbe_decomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/digimon-rumble-arena-decomp-case/

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About this entry

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Primary sources

README.md GitHub · ReGame-Labs/dtbe_decomp · Revision eb76086
src/README.md GitHub · ReGame-Labs/dtbe_decomp · Revision eb76086