Case study

OpenGTA2: rebuilding GTA2 from its game files

OpenGTA2 rebuilds a playable GTA2 test world in C# and MonoGame using the player's game files. Its readers parse RIFF, .gmp maps, .sty styles, .sdt/.raw audio and .scr scripts; the client implements map rendering, player control and collision.

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: 28
Last commit: 2026-10-31
Language: C#
License (GitHub): MIT

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

Prerequisites: A GTA2 installation containing the documented data files, selected through OPENGTA2_PATH.
Prerequisites: The client targets Windows and .NET 10 with MonoGame.
Limits: Collision behavior has documented limitations and lacks client-side tests.
License: MIT license.

Cite

BibTeX

@misc{opengta2-case,
  title = {{OpenGTA2: rebuilding GTA2 from its game files}},
  howpublished = {\url{https://github.com/ikkentim/opengta2}},
  url = {https://github.com/ikkentim/opengta2},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/opengta2-case/}}
}

Plain text

OpenGTA2: rebuilding GTA2 from its game files. https://github.com/ikkentim/opengta2 (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/opengta2-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

docs/architecture.md GitHub · ikkentim/opengta2 · Revision ec60555
docs/README.md GitHub · ikkentim/opengta2 · Revision ec60555
LICENSE GitHub · ikkentim/opengta2 · Revision ec60555