Sent in by Jan Wargalla.

Chapter skip:
Press R2, R1, L2, R2, R1, R2 at the main menu, 
then select the "Resume" option.

Battle skip:
Press Select, R1(2), L2(2), R1, R2 at the deployment screen. 
Then, select the "Resume" option.

Money:
Press Select, R1, L1, R1, L2, R1, R2 at the deployment screen. 
Then, select the "Resume" option.

Instant death:
Press Select, R1, L1, R2(2), R1(2) at the deployment screen. 
Then, select the "Resume" option.

Fast reload:
Press Select, R2, R1, R2, R1, L2, R1 at the deployment screen. 
Then, select the "Resume" option.

Select opponent:
Press Select, L2(2), R2, L2, R1(2) at the deployment screen. 
Then, select the "Resume" option.

Small heads:
Press Select, L2(4), R1, R2 at the deployment screen. 
Then, select the "Resume" option.

View FMV sequences:

The Black Grail
Press Left, L1, Circle, L2, Triangle, R2 at the main menu.

Carnstein and Jewel
Press R1, Triangle, R2(2), Square, R1 at the main menu.

The Hand of Nagash
Press R2, Left, R2, Up, Down, Left at the main menu.

Liber Mortis
Press Circle, Triangle, Square, Right, R1, R2 at the main menu.

Victory
Press L2, Right, Square, Right, R1, R2 at the main menu.

Long March
Press R1, L2, Triangle, Square, Left, R2 at the main menu.

View credits:
Press Left, Right, Square, Right, R1, R2 at the main menu.