The best open source alternative to Annex: Conquer the World is 0 A.D.. If that doesn't suit you, our users have ranked more than 10 alternatives to Annex: Conquer the World and eight of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Annex: Conquer the World are Warzone 2100, OpenRA, Beyond All Reason and openage.
Free, open-source real-time strategy game focusing on ancient warfare spanning 500 B.C. to 500 A.D., offering 3D graphics, city building, economy management, a variety of civilizations, cross-platform support, multiplayer options, and extensive modding features.
Join "The Project" to restore humanity's synaptic-link technology after nuclear war has devastated Earth, rendering it a Warzone 2100.
OpenRA is an open-source reimplementation of Westwood’s Command & Conquer Red Alert game engine, updated to use the hardware acceleration of modern video cards using OpenGL.
The Total Annihilation Inspired RTS you've been waiting for is coming.
Free (as in freedom) open-source RTS Age of Empires engine. Written from scratch in C++, Python, Cython, Qt/QML, OpenGL/GLSL, Vulkan, ...
Dune Legacy is an effort by a handful of developers to revitalize the first-ever real-time strategy game. Based from Dune II
Do you want epic battles?
Do you want breathtakingly gigantic scenes of glorious destruction and heart-pounding action?
The graphics on this game are amazing, especially given the infinite scalability.
Giant battles? Why, Yes! Why fight a war with subtlety when you can send.
Evolution RTS is a free an Open Source RTS game designed using the Spring Engine. It is continually developed and receives updates often.
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