Multi Theft Auto is a game engine
Real Time Strategy game engine supporting early Westwood classics
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Voxel game-creation platform with easy modding and game creation
3D Procedural Game Engine Using OpenGL
Open source clone of the Age of Empires II engine
The ioquake3 community effort to continue supporting/developing id's
Open-source engine for Heroes of Might and Magic III
Recreation of the classic Grand Theft Auto III game executable
Descent 3 by Outrage Entertainment
dhewm 3 main repository
RPG Maker 2000/2003 and EasyRPG games interpreter
An OpenGL RTS game engine written in C
Every creative journey starts with Unity Hub
A modern, cross-platform Quake game engine based on FitzQuake.
utility collection for 2D game development in Java; sound-player
GemRB is a portable open-source implementation of the Infinity Engine
An isometric arcade-style game of skill, puzzles and exploration
Game engine supporting many 3D/2D formats and graphic effects
A cell-based puzzle game featuring classic and completely new puzzles
ZDoom 2.8.1 fork focusing on modernisation, performance and stability
SDL based generic 2D game engine
RTSish Game Engine