Links

David Wonn's Unique Video Game Glitches
The original glitch resource, one of the best for old-school Nintendo games. Unfortunately this hasn't been updated for two years, but it's still one of the best resources out there for Nintendo games.

Flying Omelette's Documentation of Game Glitches
A huge collection of glitches for multiple systems put together as part of the Video Game Oddities section of FlyingOmelette.com.

ZED's Unoriginal White Sheet
ZED is, quite simply, the master of all things Final Fantasy VI. This site has the single most complete glitch guide to the glitchiest game ever in existence (now see how much sense you can make out of that sentence).