checked-no =>Alternate Heads: If you manage to make it through 100 mutations before you finish going through the Bird cycle in the game, your cubivore's head/face will be more detailed when you progress through those levels again. =>Extra Levels: Complete 100 mutations to gain access to the Bosses Galore section, where you can battle the Killer Cubivore. Complete all 150 mutations to open up Shangri-La.