If you were planning to grab the PC version of Mutant Mudds, the new Indie Royale bundle is a great way to do so. For just over five bucks, you'll get Renegade Kid's challenging platformer, Pineapple Smash Crew, Spirits, Avernum: The Great Trials Trilogy, and BasketBelle. That last one looks totally nuts, by the way.
Paying more than $8 for the bundle means they will throw in an exclusive album from Data Airlines. This is an unusual collection of games, but that's hardly a bad thing. I remember finding Pineapple Smash Crew interesting when it first made the rounds. Never took the plunge, though -- thank goodness for these bundles.