Open source clone of the Age of Empires II engine
A game engine powered by python and panda3d
GemRB is a portable open-source implementation of the Infinity Engine
The Ren'Py Visual Novel Engine
A retro game engine for Python
Lutris desktop client in Python
TGMC: TerraGov Marine Corps, a SS13 mod
Arianne is an engine to develop multiplayer online games like Stendhal
Pycraft is an open-source, OpenGL based game made in Python
Vivid3D is a C++ IDE/3D engine, with python scripting.
PyCAPGE - Python Classic Adventure Point and Click Game Engine
A frontend for GnGeo emulator written purely in Python
A surrealist narrative-driven walking simulator
A game engine for console based text games
The AWS GameKit Plugin for Unreal
DOOM / Heretic / Hexen source port with enhanced graphics and UI
ZED OS the clone of Windows XP
Simple Minecraft-inspired program using Python and Pyglet
Character animation system for games and simulations.
InfiFly a ML based 3D game.