Case study

Open Horizon: rebuilding Ace Combat: Assault Horizon rendering and physics

Open Horizon reimplements the rendering and physics of Ace Combat: Assault Horizon in C++ using resource files from the original game. Its source includes game, renderer, physics and container modules. Its contribution guide suggests clean-room design or documenting findings when direct disassembly is unavoidable.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C1 partial scope or analysis entry

Stars: 178
Last commit: 2021-06-12
Language: C++
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

Demo screenshot from the project's public documentation

Observed: Demo documented; the documentation covers part of the feature set.
Scope: Partial
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: Requires resource files from the original Ace Combat: Assault Horizon game.
Prerequisites: Build configuration uses CMake and OpenGL.
License: Licensed under MIT.

Cite

BibTeX

@misc{open-horizon-ace-combat-case,
  title = {{Open Horizon: rebuilding Ace Combat: Assault Horizon rendering and physics}},
  howpublished = {\url{https://github.com/undefined-darkness/open-horizon}},
  url = {https://github.com/undefined-darkness/open-horizon},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/open-horizon-ace-combat-case/}}
}

Plain text

Open Horizon: rebuilding Ace Combat: Assault Horizon rendering and physics. https://github.com/undefined-darkness/open-horizon (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/open-horizon-ace-combat-case/

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About this entry

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Primary sources

README.md GitHub · undefined-darkness/open-horizon · Revision c970176
CONTRIBUTING.md GitHub · undefined-darkness/open-horizon · Revision c970176