Case study

sead: decompilation of Nintendo EAD libraries

sead is a decompilation of the engine and libraries developed by Nintendo EAD, now EPD, as found in New Super Mario Bros. U and other games. The README describes engine/ as the standard library, nw_ptcl as a wrapper around NintendoWareForCafe Eft, and agl as the graphics library. It says a byte-identical rebuild is out of reach without the NSMBU compiler, and the current goal is matching functionality and efficiency.

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: 54
Last commit: 2026-10-30
Language: C++

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

Limits: The README sets the goal as functional parity with the original libraries. It says a 1:1 decompilation of the NSMBU sead classes is impossible without the compiler version used for that game.
License: GitHub's license metadata for this repository is empty.

Cite

BibTeX

@misc{sead,
  title = {{sead: decompilation of Nintendo EAD libraries}},
  howpublished = {\url{https://github.com/aboood40091/sead}},
  url = {https://github.com/aboood40091/sead},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/sead/}}
}

Plain text

sead: decompilation of Nintendo EAD libraries. https://github.com/aboood40091/sead (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/sead/

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About this entry

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Primary sources

README.md GitHub · aboood40091/sead · Revision 4b48682