Enter the "options" screen from the main menu or item screen and
press L1, L2, R1, or R2. Then, an "Extra Options" menu will appear
with the following options:
Weapon Control: Press/Switch
Blood Color: Normal/Green/Violet/Black
View Control: Normal/Reverse
Retreat Turn: Normal/Reverse
Walk/Run Control: Normal/Reverse
Auto Aiming: On/Off
