Breakdown

Faster reload:
Immediately after pressing L to reload, press L3 to block. When L3 is released, 
your weapon will be instantly reloaded.


Expert mode:
Successfully complete the game under the normal or hard difficulty setting to 
unlock the expert difficulty setting. 


Completion bonuses:
Successfully complete the game to unlock the "Trailer" option and all entries 
in the "Gallery" and "Sound Test" screens.