3D Game engine
Old-school 2D game engine
Visual Basic 6 2D online adventure game engine
Contains Games,Software, and Game engine products in it.
RPG dice roll simulator for vintage Tandy TRS-80 100/102/200 laptops
Point-and-click 2D game engine
Java based 2d Game Engine
2D XNA Game Engine
An Adventure Game Engine
An advanced RPG-specific Game Engine
A conservative source port of Hexen that is identical to DOS
C++ 3D Game Engine
cross-platform 2d game engine
A mobile game distributed server implemented using netty4.X
A fast, scalable, distributed game server engine/framework for C++
Java Game Engine
A game engine in java for 2D strategy games
mGSTEP port of the Cube game engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)