Hidden ending
Goto the options screen and choose the "Opening Edit" option. Highlight the Replay, then hold L1 + L2 + R1 + R2 and press X.
Unlock all Shu generals
Press L1, Square, Triangle, R2, L1, L2, L2, R1, at the main menu.
Unlock all Wei generals
Press Square, Triangle, L1, L2, R1, R2, L1, L2, at the main menu.
Select level
Press R1, R2, L2, L1, Square, R2, Triangle, L1, at the main menu.
BGM Test option
Press Square, Triangle, Triangle, Square, L1, R1, R2, L2, at the main menu.
Opening Edit option
Press R1, Square, L1, Square, R2, Triangle, L2, Triangle, at the main menu.
All movies unlocked
Press L1, Triangle, R1, Triangle, L2, Square, R2, Square, at the main menu.
Unlock all generals
Press Square, R1, Triangle, L1, Triangle, R2, Square, L2, at the main menu.
Unlock all Wu generals
Press Triangle, L1, Square, R1, R2, L1, L2, L2, at the main menu.