Enter the following codes at the main menu:
All Shu Generals: L1, Square, Triangle, R2, L1, L2, L2, R1, Square, L1
All Wu Generals: Triangle, Triangle, L1, Square, R1, R2, L1, L2, L2, L2
All Generals: R2, R2, R2, L1, Triangle, L2, L2, L2, R1, Square
Level Select: R1, R2, L2, L1, Square, L1, L2, R2, R1, Triangle
Opening Edit Option: R1, Square, R1, Triangle, R1, L1, Square, L1, Triangle, L1
All Movies: Triangle, L1, Triangle, R1, Triangle, Square, L2, Square, R2, Square
BGM Test: L1, L1, R1, R1, L2, L2, R2, R2, Square, Triangle