lua dev plugin for unreal engine 4 or 5
Gideros Release version
Old-school 2D game engine
Amateur 3D Game Engine
Orx: Portable Game Engine
Examples of procedural geometry for Unity3D C#
Game engine supporting many 3D/2D formats and graphic effects
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Molecular viewer and prototyping framework
Vivid3D is an open-source 3D engine with powerful 2D UI.
Java Settlers
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
2D Game Engine
The imaginary eight-bit machine
Modern 3D engine and IDE written using C# and C++.
8-bit Graphical API for Java
Multidocument automation by templates - for sphinx, mkdocs, epydoc ...
Example code for creating a 2D platform game in Java.
Processes dialogue text files exported by the Bethesda Softworks SDK
2D ARPG Engine
3D .NET engine for Windows, Linux, Mac
Open Game Bootstrap
evolution for vegastrike SpaceSim/Combat/Trade game