An OpenGL RTS game engine written in C
Real Time Strategy game engine supporting early Westwood classics
Open source clone of the Age of Empires II engine
Open source FPS/RTS Game
RTS game with the theme of Strategy by Design
Command and Conquer: Red Alert original source code
Cross-platform real-time strategy game (3D)
Java RTS framework
0 A.D. is a free, open-source, cross-platform real-time strategy game.
RTSish Game Engine
A 2D Real Time Strategy space combat game.
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Remake of first polish RTS game - Polanie.
WeComeInPeace is a simple RTS game that aims towards multiplayer
SMAC: The StarCraft Multi-Agent Challenge
oGame-like browser space realtime strategy game based on xNova
An API for interacting with Starcraft: Brood War (1.16.1)
3D-Accelerated open-source DOOM engine
Fly around an island casting spells, summon monsters, collect mana, a
RTS game for learning Algorithm Design
IRB is a game creation toolkit
FATHOM is a multiplayer Action-RTS combat game set in the deep ocean.