Brute-forcing unreleased GTA San Andreas cheat codes
This isn't DS related, and it was posted on Engadget and they got it from Slashdot, so you've probably already seen it, but it was just too hardcore not to post.
Astounding. Now that he has this configuration, I assume that there is no game which can't be brute force de-clued via the exact same mechanism. Why didn't we think of this before?! This mod god among mod men has a responsibility to post his miraculous invention and include a tutorial so that we can free ourselves from the Nintendo Power subscriptions and better still the need for graph paper!