Minecraft
Simple Minecraft-inspired demo written in Python and Pyglet.
Project Source: https://github.com/fogleman/Minecraft
Online Demo Address: http://www.youtube.com/watch?v=kC3lwK631X8

Mario-Level-1
The first level of Super Mario Bros made with Python and Pygame.
Project Source: https://github.com/justinmeister/Mario-Level-1
Online Video Address: http://www.youtube.com/watch?v=HBbzYKMfx5Y