Real Time Strategy game engine supporting early Westwood classics
Open source clone of the Age of Empires II engine
fheroes2 is a recreation of Heroes of Might and Magic II game engine
The game engine for everyone
An OpenGL RTS game engine written in C
RTSish Game Engine
A cell-based puzzle game featuring classic and completely new puzzles
State Management and Multiplayer Networking for Turn-Based Games
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
OpenSAGE is a free, open source re-implementation of SAGE
online 4X browser game engine
A space race game in the style of A Dark Room
An online multiplayer turn based strategy game and board game engine.
A retro style video game engine for RPGs and adventure games.
Browser game engine
A game engine in java for 2D strategy games