Hidden developer portraits: Pause the game, hold down L + R, then press Up, Right, A, Start, A, Down, A, Start, Start (U R A SAD ASS). The game will automatically unpause. Pause the game and quit back to the main menu. Now go into the password screen and enter F4C3, and you'll go to a screen where you'll be shown some portraits of various people that worked on the game. Press Left or Right to change the portrait.