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
Europa Universalis 4 save game editor
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Mech Station Beta - Tower Defense like Game
A free 3d game for PC that does not limit the player. Fight,Build,Gain
Open source FPS/RTS Game
Cross-platform real-time strategy game (3D)
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
oGame-like browser space realtime strategy game based on xNova
Fly around an island casting spells, summon monsters, collect mana, a
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)