LAIR is a Sandbox Dungeon Crawling Game
Develop an emulated Darkfall Online Server.
Pygrid is an open-source and cross-platform pygame/python 2D engine.
A world editor for HGE game engine written in python and uses OpenGL.
Cross platform 2D game creation framework with Python bindings
A graphics engine + toolkit.
Tactical, turn-based game engine, that uses OpenGL and WinAPI
Open source, moddable game engine for the "Polygon Love 2" game
A Wargame
Access to Irrlicht Engine SDK from assembler, C, Python, Basic, Pascal
Open Source Virtual World and MMOG Development Platform
Visual Novel game
A Dungeons & Dragons Miniature Game.
Browser game engine