For this to work You'll ahve to have a v1.1 and newer versions of the game. Press [Up] [Up] [Down] [Down] [Left] [Right] [Left] [Right] A [Space] "when ""Presented by" appears on the opening sequence. The text "Turbo Edition v1.1" will appear at the main menu to confirm correct code entry.
Collection versus mode
Successfully complete the game under the hard difficulty setting.
Bonus versus mode levels
Successfully complete the game under the normal or higher difficulty setting.
Type "supersizeme" at the credits screen. A sound will confirm correct code entry.