A new Minecraft world editor and converter
The source code to VVVVVV
Ct.js is a desktop game engine that makes learning programming fun
Set of Python modules designed for writing video games
Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
A game engine powered by python and panda3d
Free game engine for development of desktop, mobile, and web games
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
An elegant Go board and SGF editor for a more civilized age
3D Game engine with editor
Stride (formerly Xenko), a free and open-source cross-platform C# game
The flexible game engine
The Tiny JavaScript Game Engine That Can!
A generic, simple and fast implementation of Deepmind's AlphaZero
An OpenGL RTS game engine written in C
An updated version of the classic "Basic Computer Games" book
World Class Leader Board Editor.
Source code repository of the FreeOrion project
Includes the boilerplate code for a GenLayer use case implementation
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Descent 3 by Outrage Entertainment
A Editor for Minecraft NBT files
Retro style, multi-platform soccer game
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Europa Universalis 4 save game editor