Games · PC (Windows)

Total Annihilation (Open Annihilation)

Console: PC (Windows)
Project: open-annihilation
Runs On: Linux · macOS · Windows
Version: v0.7.4, Oct 10, 2026
Steam Deck: Runs On Steam Deck - “Steam Deck support is experimental: it has been tried on one Deck so far,”

Open In Decomp Buddy Get Decomp Buddy The Project Website

Decomp Buddy never downloads games. It sets up open-annihilation and tells you exactly which file of yours to drop in - then checks it's the right one. A ready-made plan is published for this one, so no AI key is needed.