Case study

Metroid II: byte-matching Game Boy disassembly

This disassembles Metroid II: Return of Samus for the Game Boy. The assembled ROM has MD5 9639948ad274fa15281f549e5f9c4d87. The documented tools are rgbds 1.0.1 and Python 3.13.

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: 34
Last commit: 2026-08-25
Language: Assembly
License (GitHub): MIT

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

Run extract.py on a copy of the game, then make all, build.bat, or build.py. Output goes to out/.
The README does not name a license.

Cite

BibTeX

@misc{metroid-ii-disasm,
  title = {{Metroid II: byte-matching Game Boy disassembly}},
  howpublished = {\url{https://github.com/metroidret/M2RoS}},
  url = {https://github.com/metroidret/M2RoS},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/metroid-ii-disasm/}}
}

Plain text

Metroid II: byte-matching Game Boy disassembly. https://github.com/metroidret/M2RoS (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/metroid-ii-disasm/

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Primary sources

readme.md GitHub · metroidret/M2RoS · Revision 031aea3