Источник
http://en.wikipedia.org/wiki/PygamePygame 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 rapid development.
2D Engines and Libraries:
* Pygame Utilities (PGU)
is a collection of tools and libraries that enhance Pygame. Tools include a tile editor and a level editor (tile, isometric, hexagonal).
GUI enhancements include full featured gui, html rendering, document layout, and text rendering.
The libraries include a sprite and tile engine (tile, isometric, hexagonal), a state engine, a timer, and a high score system.
Источник
http://www.pygame.org/wiki/about :
Pygame is a set of Python modules designed for writing games. Pygame adds functionality on top of the excellent SDL library.
This allows you to create fully featured games and multimedia programs in the python language.
Pygame is highly portable and runs on nearly every platform and operating system.
Pygame itself has been downloaded millions of times, and has had millions of visits to its website.
Надеюсь, это Вам поможет. Вот только про PyQT ничего не нашлось.