This video captures the 48-hour work of Notch (the creator of Minecraft) to create the game "Metagun" from scratch. Together with fun, crap in photoshop funny rye, drawing real sprites and writing code.
You can play the game here (you need Java for work, there are messages that do not start under FF). The game is a screen platformer. ')
The game was created as part of the competition Ludum Dare 18 . Judge ratings can be viewed here (Metagun ranked 3rd in the aggregate of ratings). On the same page you can download and source.