Browse free open source Real Time Strategy games and projects for Linux below. Use the toggles on the left to filter open source Real Time Strategy games by OS, license, language, programming language, and project status.
RTS game with the theme of Strategy by Design
The forever free, ad-free and open source chess server
Arianne is an engine to develop multiplayer online games like Stendhal
Seven Kingdoms: Ancient Adversaries
A simple turn-based artillery game and also a real-time strategy game.
Endless Sky is a sandbox-style space exploration game
Real Time Strategy game engine supporting early Westwood classics
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Open source clone of the Age of Empires II engine
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Widelands is a free, open source real-time strategy game
Remake of the classic Caesar III game
Cross-platform, GPL reimplementation of the classic : Syndicate
Classic Dune. Modern Controls.
Europa Universalis 4 save game editor
Cross platform 2D game creation framework with Python bindings
Open source revival of the game Transarctica / Arctic Baron