Case study

Open Annihilation: a Total Annihilation engine reimplementation

Open Annihilation reimplements a Total Annihilation game engine in C++20 and runs it with data from the player's copy of the original game. Its source covers the simulation, user interface, multiplayer, mod handling, and platform support, alongside module and file-format documentation.

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

Stars: 88
Last commit: 2026-11-06
Language: C++
License (GitHub): GPL-3.0

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

Prerequisites: Requires an installed Total Annihilation copy with the 3.1 update, or the free demo data.
Limits: Single-player completion and Total Annihilation: Kingdoms support remain on the roadmap.
License: GPL-3.0 license.

Cite

BibTeX

@misc{open-annihilation-case,
  title = {{Open Annihilation: a Total Annihilation engine reimplementation}},
  howpublished = {\url{https://github.com/open-annihilation/open-annihilation}},
  url = {https://github.com/open-annihilation/open-annihilation},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/open-annihilation-case/}}
}

Plain text

Open Annihilation: a Total Annihilation engine reimplementation. https://github.com/open-annihilation/open-annihilation (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/open-annihilation-case/

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Primary sources

README.md GitHub · open-annihilation/open-annihilation · Revision cfd76c1