Case study

OpenJPOG: decompiling Jurassic Park: Operation Genesis and its Toshi engine

OpenJPOG decompiles Toshi engine 1.0 and Jurassic Park: Operation Genesis. The Windows build uses Visual Studio 2019 or 2022. The README says the progress images do not yet mark every finished function.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-07

Stars: 45
Last commit: 2026-01-20
Language: C++

GitHub data as of 2026-11-10

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Requirements & limits

Clone with submodules, run GenerateProjects-VS2019.bat or GenerateProjects-VS2022.bat, and compile the generated solution.
The README does not name a license.

Cite

BibTeX

@misc{openjpog,
  title = {{OpenJPOG: decompiling Jurassic Park: Operation Genesis and its Toshi engine}},
  howpublished = {\url{https://github.com/AdventureT/OpenJPOG}},
  url = {https://github.com/AdventureT/OpenJPOG},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/openjpog/}}
}

Plain text

OpenJPOG: decompiling Jurassic Park: Operation Genesis and its Toshi engine. https://github.com/AdventureT/OpenJPOG (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/openjpog/

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Primary sources

README.md GitHub · AdventureT/OpenJPOG · Revision 84b503e