Case study

BelthasarProject: reimplementing the Chrono Trigger engine

BelthasarProject reimplements Chrono Trigger for the SNES, USA 1995, as a portable C engine. The dump is a headerless 4,194,304-byte ROM, SHA-1 de5822f4f2f7a55acb8926d4c0eaa63d5d989312. The README says the title, a new game, the field, battles, menus, the overworld, and the music run on the C engine. A full playthrough remains unverified. Optional mods add widescreen and frame rates above 60.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-07
Evidence class: C1 partial scope or analysis entry

Stars: 46
Last commit: 2026-11-10
Language: C

GitHub data as of 2026-11-10

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Evidence

Demo screenshot from the project's public documentation

Observed: Code, documentation, download and demo observed; a full-reconstruction candidate for manual Class 0 review.
Scope: Partial
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

On Windows, Visual Studio 2022 Build Tools with CMake and Ninja, and Python 3. Run python tools/setup.py --rom with the USA ROM, then tools\build.bat.
License: MIT for the code, tools, and documentation written for this project. The README says the vendored LakeSnes core keeps its own MIT license.

Cite

BibTeX

@misc{belthasar,
  title = {{BelthasarProject: reimplementing the Chrono Trigger engine}},
  howpublished = {\url{https://github.com/TemplarServant/BelthasarProject}},
  url = {https://github.com/TemplarServant/BelthasarProject},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/belthasar/}}
}

Plain text

BelthasarProject: reimplementing the Chrono Trigger engine. https://github.com/TemplarServant/BelthasarProject (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/belthasar/

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Primary sources

README.md GitHub · TemplarServant/BelthasarProject · Revision f1c3f28