Case study

Lego Island 2: GBA decompilation

Lego Island 2 reconstructs the GBA game's code in C and assembly using bagd. Its documented workflow extracts assets from a user-provided baserom.gba with isle2-tool, generates build files with bagd and builds the ROM.

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

Stars: 3
Last commit: 2026-11-01
Language: C

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Provide the GBA ROM as baserom.gba; building requires git, Rust, agbcc and arm-none-eabi tools.
Limits: Setup is mostly manual and undocumented.
License: No licence file in the repository.

Cite

BibTeX

@misc{lego-island-2-gba-case,
  title = {{Lego Island 2: GBA decompilation}},
  howpublished = {\url{https://github.com/minirop/lego-island-gba}},
  url = {https://github.com/minirop/lego-island-gba},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/lego-island-2-gba-case/}}
}

Plain text

Lego Island 2: GBA decompilation. https://github.com/minirop/lego-island-gba (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/lego-island-2-gba-case/

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Primary sources

README.md GitHub · minirop/lego-island-gba · Revision 0082732