The Ren'Py Visual Novel Engine
GemRB is a portable open-source implementation of the Infinity Engine
Improve your Baduk skills by training with KataGo
Multi-Joint dynamics with Contact. A general purpose physics simulator
GameServer is a sophisticated, game server designed for online games
PyCAPGE - Python Classic Adventure Point and Click Game Engine
OtoKeyboard: Boost productivity with Windows keyboard automation.
A game engine for console based text games
Character animation system for games and simulations.
Develop an emulated Darkfall Online Server.
Pygrid is an open-source and cross-platform pygame/python 2D engine.
Cross platform 2D game creation framework with Python bindings
Open Source Virtual World and MMOG Development Platform