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
Open source, moddable game engine for the "Polygon Love 2" game
Real-time RPG for PC/tablet/phone; multiple quests and random dungeons
An isometric arcade-style game of skill, puzzles and exploration
A simple tool to allow Chessmaster 10/11 bot customizations
A cell-based puzzle game featuring classic and completely new puzzles
A complete 2D Game Engine with built in drag and drop editor
a UCI chess engine
Gomoku Game: Playing with Computer
A 2D game engine and level editor
A cross platform Lua based game engine