Here are some cheats and tips for the game Herdy Gerdy.
Cheat mode:
Press L2, L1, L2, L1, Up, R1, R2, R1, R2, Down, Select at the
title screen. The screen will fade out and return to confirm
correct code entry. Press Start and new options will be
unlocked at the main menu. Alternately, press L1, L2, L1, L2,
Down, R2, R1, R2, R1, Up, Select at the title screen.