Collect all 47 cakes in Single Player mode.
Release The Maw from his cage and send him into space.
Select "Credits" from the "Help & Options" menu and watch the whole thing.
Complete the Single Player game.
Create 5,000 filets.
Splode 300 times in a single level.
Complete a level without killing any Scientists.
Change the controls around in the "Controls" menu.
Eliminate 10 Scientists and stop them from spreading their filthy lies.
Complete the Single Player game in Hardcore mode.
Complete the Multiplayer game.
Collect all 47 cakes in Multiplayer mode.