Real Time Strategy game engine supporting early Westwood classics
Open source clone of the Age of Empires II engine
RTSish Game Engine
Arianne is an engine to develop multiplayer online games like Stendhal
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Europa Universalis 4 save game editor
A free 3d game for PC that does not limit the player. Fight,Build,Gain
Open source FPS/RTS Game
Mech Station Beta - Tower Defense like Game
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Open RealStrategyGameLibrary (Engine)
Fly around an island casting spells, summon monsters, collect mana, a
The forever free, ad-free and open source chess server
A space race game in the style of A Dark Room
A snarky 2D management game about building and running a dungeon.
Clone of Urban Assault with new Graphics.
starcraft clone game
Babylon 5 in Homeworld 2!
A small text based game engine (VB.Net)
Free strategy browsergame engine.
Classic Dune. Modern Controls.