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
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Real Time Strategy game engine supporting early Westwood classics
Endless Sky is a sandbox-style space exploration game
The forever free, ad-free and open source chess server
Seven Kingdoms: Ancient Adversaries
Arianne is an engine to develop multiplayer online games like Stendhal
Dune II strategy and city building on Arrakis
A simple turn-based artillery game and also a real-time strategy game.
Open source clone of the Age of Empires II engine
Remake of the classic Caesar III game
Cross-platform, GPL reimplementation of the classic : Syndicate
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Open source FPS/RTS Game
Classic Dune. Modern Controls.
Widelands is a free, open source real-time strategy game
God game: wage war from the stone age to the future
An enhanced version of 7K:AA (Seven Kingdoms: Ancient Adversaries).
Open source revival of the game Transarctica / Arctic Baron
Europa Universalis 4 save game editor