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