game programming tutorials and source code for a variety of languages and platforms. Also, because this is a wiki, you are encouraged to contribute your knowledge and help the repository grow!
"To the first person to inform me of a legitimate bug in the code, I'll pay a bounty of US$10 (by check or Paypal). If directed to a charity, I'll pay US$20."
these are samples, not complete applications. The code (and coding style) is not meant to be industrial strength; it's not even well-designed. The sole purpose of the samples is illustrating a point, not teaching proper coding style.