Here you'll find small games done for game jams and while toying around with some new library/technology:
Minimalist Tetris with pygame.
Game made for Ludum Dare 30. The theme is "Connected worlds".
A Space Commanders clone made in 1995.
Game made for Ludum Dare 28. The theme is "You only get one".
A Pong clone made while playing around with Unity and Futile.
A very small game made while learning Flixel.