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Game · Strategy

open-annihilation

Free, open source engine that plays the original Total Annihilation on macOS, Windows, Linux, iPhone, iPad and Steam Deck.

  • Completely free
  • Windows, macOS, Linux and iOS
  • Open source
  • No account

Overview

Gameplay elements described in its GitHub repository: mod support.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Website: play.coreprime.net · Mods and maps: mods.coreprime.net · Make your own: creators.coreprime.net · Press kit: press.coreprime.net” — GitHub, 10 November 2026

At a glance

open-annihilation is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • No account needed
  • Commercial use allowed

Sources and checks

  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Last technical check: 8 November 2026
  • Description from github.com — Dépôt GitHub open-annihilation/open-annihilation (GPL-3.0-only)

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