A new Minecraft world editor and converter
Self-hosted game stream host for Moonlight
Set of Python modules designed for writing video games
Open source clone of the Age of Empires II engine
Powerful, mature open-source cross-platform game engine for Python
3D game engine/framework in C, with Luajit and Python bindings now
New Modpack with Gregtech, Thaumcraft and Witchery
A free/open source client and automation tool for Ragnarok Online
Map Pixel Art Generator for Minecraft
An updated version of the classic "Basic Computer Games" book
Source code repository of the FreeOrion project
Code for Cicero, an AI agent that plays the game of Diplomacy
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Doom-based AI research platform for reinforcement learning
4X Space Strategy Game
An Ubuntu remix for both new and experienced Linux sophisticates
Cooperative multiplayer graphical RPG and adventure game
For exploring cellular automata like Conway's Game of Life.
Realism Invictus mod for Civilization IV
GemRB is a portable open-source implementation of the Infinity Engine
bridge double dummy solver. Preferance problems solver
Janken - A Simple Rock, Paper, Scissors Game
A Wii-like game that can be controlled using a Nunchuk or a phone.