Probe is a game developed with python and pygame.
Game framework on top of Python, Panda3D and Twisted
Invaders like game, written in Python with Curses... :)
Pong written in Python
Erosion simulation game
Strategy Trainer for Jacks or Better Video Poker
A medieval adventure game being developed in Blender
nctdtool, a curses front-end for tdtool
The Legend of Irithed is a text-based adventure game.
The Lambda-Engine is a cross platform game engine.