Pygame

Pygame is a cross-platform set of Python modules designed for writing video games. It includes computer graphics and sound libraries designed to be used with the Python programming language. It is built over the Simple DirectMedia Layer (SDL) library, with the intention of allowing real-time computer game development without the low-level mechanics of the C programming language and its derivatives. This is based on the assumption that the most expensive functions inside games (mainly the graphics part) can be completely abstracted from the game logic in itself, making it possible to use a high-level programming language like Python to structure the game.

Pygame was built to replace pySDL after its development stalled. Pygame was originally written by Pete Shinners and is released under the open source free software GNU Lesser General Public License. It is a community project since around 2004/2005. There are many tutorials and there are regular competitions to write little games using Python (and usually but not necessarily, Pygame).

Read more about Pygame:  Games Using Pygame, Literature