Browse free open source Game Engines and projects below. Use the toggles on the left to filter open source Game Engines by OS, license, language, programming language, and project status.
GemRB is a portable open-source implementation of the Infinity Engine
Free and Open Game Programming Language for Windows and GNU/Linux
Real-time RPG for PC/tablet/phone; multiple quests and random dungeons
A 2D game engine and level editor
An isometric arcade-style game of skill, puzzles and exploration
Open source, moddable game engine for the "Polygon Love 2" game
SDL based generic 2D game engine
a UCI chess engine
Gomoku Game: Playing with Computer
A simple tool to allow Chessmaster 10/11 bot customizations
A cross platform Lua based game engine
2D Game Engine
2D XNA Game Engine