Dotemu and Tribute games are celebrating those turtle boys with a free update, after revealing that TMNT: Shredder's Revenge hit a pizza powered milestone. One Million copies sold! And to the supporters goes the pepperonis. Right now, if you fire up the game, it will be updated, and you will get 11 mix and match modifiers to make the game easier, or harder. You can turn on things like Infinite lives, and doppelgangers (players can pick the same character), or even old school super, which uses life bars instead of the super meter, when you perform a special attack. The update also comes with retro themed filters, and other cool refinements. Everyone should have it, and at the time of this writing, the game is on sale for 20% off. It's a green, shell of a Christmas present!