Case study

OpenGG: rebuilding Gearhead Garage from observed rules and data formats

OpenGG reimplements Gearhead Garage: The Virtual Mechanic as a Godot and C# engine that loads cars, jobs, decals, sounds and scenes from a user's game folder. Its rules and interface follow observations of the running original, while its loaders parse data-file formats worked out from the original files.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 2
Last commit: 2026-10-05
Language: C#
License (GitHub): GPL-3.0

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a download method observed; no demo found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: Requires the user's Gearhead Garage installation to play the original content.
Prerequisites: Building requires Godot 4.7.1 .NET, .NET SDK 8 and Node.js 22.18 or newer.
Scope: Beta builds target Windows and Linux.
License: GPL-3.0 license; bundled photographs are CC0 and fonts use the SIL Open Font License.

Cite

BibTeX

@misc{opengg-gearhead-garage-case,
  title = {{OpenGG: rebuilding Gearhead Garage from observed rules and data formats}},
  howpublished = {\url{https://github.com/tymsky/OpenGG}},
  url = {https://github.com/tymsky/OpenGG},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/opengg-gearhead-garage-case/}}
}

Plain text

OpenGG: rebuilding Gearhead Garage from observed rules and data formats. https://github.com/tymsky/OpenGG (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/opengg-gearhead-garage-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

README.md GitHub · tymsky/OpenGG · Revision ba557b1
docs/ARCHITECTURE.md GitHub · tymsky/OpenGG · Revision ba557b1